THE MAIZE BOOK 2021 - A guide to establishing, growing and utilising maize crops in New Zealand.
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THE MAIZE BOOK 2021. A guide to establishing, growing and utilising maize crops in New Zealand.
INDEPENDENT TRIAL RESULTS
New hybrids
cropping up at
Corson Maize...
PAC 119 Pelota
PAC 119 PELOTA
DUAL PURPOSE MAIZE SILAGE
SILAGE CRM 90 / GRAIN CRM 90 SILAGE CRM 109
• Well balanced medium-tall plant • Tall, bulky plant
with very good standability • Good cob size and uniformity
• Very good Northern Leaf • Very good early growth and
Blight tolerance and excellent Northern Leaf Blight tolerance
stalk strength
• Excellent drought tolerance
and staygreen
TM
Contact your rural retailer or a Corson Maize Sales Agronomist
on 0800 4 MAIZE (62493) or visit corsonmaize.co.nz
2 © Corson Maize, 2021
INDEPENDENT TRIAL RESULTS
hybrids available
through Corson Maize.
and some of our top performers.
PAC 344 PAC 430 PAC 564
PAC 344 PAC 430 PAC 564
DUAL PURPOSE DUAL PURPOSE DUAL PURPOSE
SILAGE CRM 102 / GRAIN CRM 102 SILAGE CRM 108 / GRAIN CRM 108 SILAGE CRM 113 / GRAIN CRM 115
• M
id-full season dual purpose • Medium-tall plant • Bulky, medium
hybrid for central and upper • AriDapt™ drought-ready height plant
North Island regions technology ensures outstanding • Exceptionally high
• U
nique, medium height, yield stability across environments and stable yields
compact plant with thick stalks and seasons • Excellent cob size
and very broad leaves • W
ell balanced canopy provides and uniformity
• E xcellent stalk strength, ear-rot good bulk. Long, girthy ears • Thick stalks, strong
and Northern Leaf Blight profiles typically 18 kernels around roots and low ear placement with
• E xcellent grain quality, very good very good lodging resistance
staygreen and standability
• F inishes strongly owing to its
excellent drought tolerance
and very good late season
plant health
TM
© Corson Maize, 2021 3
THE
Introduction 5
PRODUCT
MAIZE
AriDaptTM 6
Maize Selection Tools 7-8
BOOK
Growing Regions 9
Corson Maize Hybrids 10-31
2021.
Corson Maize Hybrid Traits 32-34
Re-Plant Policy 35
MAIZE SEED TREATMENT
Maize Seed Treatment 36-39
TECHNICAL
Soil Fertility & Fertiliser 40
SILAGE
Crop Monitoring for Silage Harvest 41-42
Maize Silage Harvest Best Practice 43-44
OTHER RESOURCES
Other Resources 45
PGG Wrightson Seeds Grasses 46-47
Corson Maize Sales Agronomy Team 48
4 © Corson Maize, 2021
INTRODUCTION
Welcome to the 2021 Corson Maize Book.
My introduction in ‘The Maize Book’ last year discussed Due to the growth of our sales we are in the process
how we continue to face challenging times and the of developing our maize seed production facility in
ability of New Zealand farmers to react and adapt to Gisborne to ensure that we can meet further demand
each of these ‘bumps in the road’. At the time of writing I for New Zealand grown maize seed. Our product
had no idea that we would all be facing an extraordinary development programme is also expanding throughout
challenge regarding Covid-19 and the impact it would the country and this can be seen with our latest site
have on our country and the world. at Newstead in the Waikato. At this site we will be
showcasing our latest hybrids as well as some of the
We have all had to find new ways to operate over the new genetic material we are looking to commercialise
last 12 months. It has been a time of clarification where in the future.
we have once again recognised the underpinning of
agriculture to New Zealand’s success. As an essential Last year we had significant demand for the Corson
service it has not only assisted in maintaining the wheels Maize ‘Crop Scouting Guide’ which has proven to be
of commerce, but it appears to have strongly helped of great support to growers across the country. If you
New Zealand’s post-lockdown recovery. didn’t receive a copy, please contact your local Sales
Agronomist who will be able to get a free copy for you.
During this time Corson Maize has continued to progress
with our hybrid development. Our hybrids, sourced from Corson Maize wishes you all the best for the year ahead
around the world, are showing the performance required and if you would like to know more about our products,
for New Zealand conditions. This is attributable to all the please call one of our team listed on the back page.
hard work from the research teams overseas and in
New Zealand in developing the most suitable genetics Best wishes.
for maize growing in New Zealand. We have appreciated
Graeme Austin
the support from existing and new growers from across
National Sales Manager
the country over the past season.
Corson Maize
© Corson Maize, 2021 5
PRODUCT
ARIDAPT TM
TM
BENEFITS OF ARIDAPT™
AriDapt™ hybrid
The AriDapt™ maize hybrids from High Optimal performance in
Corson Maize will provide growers good conditions; optimal
with higher and more consistent grain performance in dry conditions.
and dry matter yields in a wider range
of conditions compared with other
conventional hybrids. PAC 119, PAC 249,
PAC 314 and PAC 430 are the four
Corson Maize hybrids that have the
AriDapt™ technology available this
season. All of these hybrids have
HYBRID
demonstrated themselves to perform
consistently well in some of the best
and worst conditions in their respective
North Island regions.
CHARACTERISTICS OF
ARIDAPT™ HYBRIDS Standard hybrid
Optimal performance in good
• Strong deep roots that resist rot and conditions; sub-optimal
premature plant death Low performance in dry conditions.
• High water-use efficiency
• Well balanced canopies, not
High (dry) POTENTIAL SOIL MOISTURE DEFICIT Low (wet)
excessively leafy
• Strong thick stalks and low Expected performance of AriDaptTM and standard maize hybrids in optimal and sub-optimal conditions
ear placement (adapted from Annon https://www.dekalb.fr/mais-grain/conseils-pour-planter-et-cultiver-le-mais/variete-
de-mais-grain/semences-hybrides). In sub-optimal conditions, New Zealand data indicates that the
• Early silking and extended
AriDapt™ range of hybrids from Corson Maize will out-yield standard hybrids by around 7% at 10 t/ha of
flowering period
grain. In terms of silage that would be 7% at 15 tDM/ha.
• Optimal husk length to ensure timely
silk emergence
• Excellent green leaf-area retention
(staygreen)
• High grain harvest-index and total
biomass (dry matter yield)
PAC 249 in Manawatu
6 © Corson Maize, 2021
PRODUCT
MAIZE SELECTION
TOOLS
Follow the steps and use the tables below and overleaf to help you find hybrids from the
Corson Maize portfolio with the right silage and grain maturity for your farm.
HOW TO FIND HYBRIDS WITH THE RIGHT SILAGE MATURITY FOR YOUR FARM
STEP 1 STEP 2 STEP 3
Using table 1, decide on your preferred Check the hybrids that can be grown in Select the hybrid which best suits your
planting and harvest date. your region (page 9), and compare the growing conditions and growing time.
growing days of these hybrids (table In depth hybrid information can be
2) with the preferred growing time found on pages 10-31.
established in step 1.
TABLE 1: DETERMINE THE NUMBER OF DAYS FROM PLANTING THROUGH TO HARVEST
PLANTING DATE
HARVEST 20 24 27 1 4 8 11 15 18 22 25 29 1 5 8 12 15 19 22 26 29 3
DATE SEP SEP SEP OCT OCT OCT OCT OCT OCT OCT OCT OCT NOV NOV NOV NOV NOV NOV NOV NOV NOV DEC
1 Feb 134 130 127 123 120
6 Feb 139 135 132 128 125 121
11 Feb 144 140 137 133 130 126 123
16 Feb 149 145 142 138 135 131 128 124 121
21 Feb 154 150 147 143 140 136 133 129 126 122
26 Feb 159 155 152 148 145 141 138 134 131 127 124 121
2 Mar 164 160 157 153 150 146 143 139 136 132 129 125 122
7 Mar 169 165 162 158 155 151 148 144 141 137 134 130 127 123 120
12 Mar 174 170 167 163 160 156 153 149 146 142 139 135 132 128 125 121
17 Mar 175 172 168 165 161 158 154 151 147 144 140 137 133 130 126 123
22 Mar 173 170 166 163 159 156 152 149 145 142 138 135 131 128 124 121
27 Mar 175 171 168 164 161 157 154 150 147 143 140 136 133 129 126 122
1 Apr 176 173 169 166 162 159 155 152 148 145 141 138 134 131 127 124 121
6 Apr 174 171 167 164 160 157 153 150 146 143 139 136 132 129 125
11 Apr 176 172 169 165 162 158 155 151 148 144 141 137 134 130
16 Apr 177 174 170 167 163 160 156 153 149 146 142 139 135
21 Apr 175 172 168 165 161 158 154 151 147 144 140
26 Apr 177 173 170 166 163 159 156 152 149 145
1 May 178 175 171 168 164 161 157 154 150
lanting and estimated harvest dates have been compiled using heat unit information in conjunction with trial data within each broad regional category.
P
Many factors influence crop growth and development hence these recommendations should be used as a guide only. Contact your Corson Maize Sales
Agronomist for more detailed recommendations.
© Corson Maize, 2021 7
PRODUCT
MAIZE SELECTION
TOOLS
TABLE 2: SELECT THE HYBRID/S BASED ON YOUR REQUIRED SILAGE MATURITY AND REGION
SILAGE CRM REGION 1 REGION 2 REGION 3 REGION 4
HYBRID APPROXIMATE DAYS FROM PLANTING TO HARVEST
Delitop 78 115-129 123-137 128-142 143-163
Booster 81 117-131 125-139 130-144 145-165
PAC 119 90 124 -138 131-145 135-149 154-174
Comet 92 126-140 133-147 137-151 156-176
PAC 249 95 129-143 137-151 140-154
Velocity 95 129-143 137-151 140-154
C29-A1 96 130-144 138-152 141-155
N39-Q1 97 131-145 139-153 143-157
Afinity 97 133-147 141-155 145-160
PAC 314 101 134-148 142-156 146-161
PAC 344 102 135-149 143-157 147-162
N51-N4 102 135-149 143-157 147-162
G49-T9 104 136-150 144-158
PAC 343 105 136-150 144-158
PAC 432 105 137-152 145-160
Plenitude 107 140-154 149-165
PAC 430 108 141-155 150-166
Pelota 109 142-156 151-167
PAC 456 109 142-156 151-167
Z71-F1 111 144-158
PAC 564 113 147-160
PAC 624 115 149-163
8 © Corson Maize, 2021
PRODUCT
GROWING
REGIONS
REGION ONE
VERY EARLY EARLY MID LATE VERY LATE
Delitop PAC 119 PAC 314 PAC 430 PAC 624
Booster Comet PAC 344 Pelota
PAC 249 N51-N4 PAC 456
Velocity G49-T9 Z71-F1
C29-A1 PAC 343 PAC 564
N39-Q1 PAC 432
Afinity Plenitude
REGION TWO
VERY EARLY EARLY MID LATE VERY LATE
Delitop PAC 119 PAC 344 PAC 430
Booster Comet N51-N4 Pelota
PAC 249 G49-T9 PAC 456
Velocity PAC 343
C29-A1 PAC 432
N39-Q1 Plenitude
Afinity
PAC 314
REGION THREE
VERY EARLY EARLY MID LATE VERY LATE
Delitop PAC 119 Comet PAC 344
Booster PAC 249 N51-N4
Velocity
C29-A1
N39-Q1
Afinity
PAC 314
REGION FOUR
VERY EARLY EARLY MID LATE VERY LATE
Delitop PAC 119 Comet
Booster
© Corson Maize, 2021 9
CORSON MAIZE HYBRIDS
Delitop DUAL PURPOSE
SILAGE CRM 78 / GRAIN CRM 88
REGION 1 Very Early
HYBRID TRAITS
REGION 2 Early
Early Growth
REGION 3 Early
Drought Tolerance
REGION 4 Mid
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 90-100
Silage 100-110
Delitop is a very early dual purpose hybrid for silage • Very early maturing dual purpose hybrid
or a later planting option throughout the country.
For grain, Delitop is accepted for food grade production • H
igh silage yield with reliable grain content
in northern regions. for this maturity
Excellent early growth, with very good drought • E
xcellent test weight grain suitable for food
tolerance and resistance to Northern Leaf Blight for grade markets
this maturity.
Delitop has respectable yield performance for both
silage and grain and produces high energy silage with
excellent whole plant digestibility.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
10 © Corson Maize, 2021CORSON MAIZE HYBRIDS
Booster DUAL PURPOSE
SILAGE CRM 81 / GRAIN CRM 88
REGION 1 Very Early
HYBRID TRAITS
REGION 2 Early
Early Growth
REGION 3 Early
Drought Tolerance
REGION 4 Mid
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 90-105
Silage 95-110
Booster is a very early dual purpose hybrid suitable • Very early maturity dual purpose hybrid
for South Island, lower North Island and other regions
where an exceptionally high yielding, early maturing • Excellent yield stability
maize hybrid is desired. From its excellent early growth
• Large bulky plant with excellent early growth
it develops into a large bulky plant with a solid girthy
ear. Very good standability and good late season plant • Very good stalk and root strength
health optimise Booster's yield stability providing a
solid platform for silage and grain growers. • Girthy well filled ears packed with large
excellent test weight kernels
The large size and hard, flinty nature of its kernels make
Booster relatively slower to grain harvest maturity
compared to silage maturity. Still, the high yield
potential and consistency combined with a very good
agronomic profile are set to make Booster the hybrid of
choice in the “very early” maize market.
Booster is bred by KWS.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 11CORSON MAIZE HYBRIDS
TM
PAC 119 DUAL PURPOSE
SILAGE CRM 90 / GRAIN CRM 90
REGION 1 Early
HYBRID TRAITS
REGION 2 Mid
Early Growth
REGION 3 Mid
Drought Tolerance
REGION 4 Late
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 90-100
Silage 95-105
PAC 119 is a high yielding, genuine dual purpose • Well balanced medium-tall plant with very
option for use in all the main maize growing areas of good standability
New Zealand. Whether as an early option in the upper
North Island or a late option in the mid Canterbury • Very good Northern Leaf Blight tolerance and
region, PAC 119 has the required attributes to deliver excellent stalk strength
optimal results.
• Excellent drought tolerance and staygreen
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
12 © Corson Maize, 2021CORSON MAIZE HYBRIDS
Comet MAIZE SILAGE
SILAGE CRM 92
REGION 1 Early
HYBRID TRAITS
REGION 2 Mid
Early Growth
REGION 3 Late
Drought Tolerance
REGION 4 Very Late
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown NA
PLANTING POPULATIONS (000/HA)
Grain NA
Silage 95-105
Comet is a reliable and widely adapted silage hybrid • A
widely adapted silage hybrid with very good
which provides impressive results throughout the North staygreen and excellent rust tolerance
Island and upper South Island.
• B
road leaves on a medium-tall plant provide
Plant Comet as full maturity option in the upper South plenty of bulk
Island and a mid-maturity option in the lower North
Island. It also performs well in the upper North Island in • A
high kernel-row count and deep kernels
areas where Northern Leaf Blight isn’t a major concern. produce silage with high grain content
Comet has a large semi-flex ear and produces plenty
of bulk with high yields of medium-soft textured grain,
making it an excellent choice for both silage growers
and end-users.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 13CORSON MAIZE HYBRIDS
TM
PAC 249 DUAL PURPOSE
SILAGE CRM 95 / GRAIN CRM 97
REGION 1 Early
HYBRID TRAITS
REGION 2 Mid
Early Growth
REGION 3 Late
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 90-100
Silage 95-105
PAC 249 is a reliable high performing dual purpose • M
id-season dual purpose hybrid for
hybrid that delivers optimal yields of silage and grain central regions
across a wide range of environments and soil types. It
is a medium-tall hybrid with very good staygreen and • P
roven drought tolerance with
plant bulk. AriDapt™ technology
Cobs are large and well filled with good sized kernels • Performs well at lower planting rates
producing silage rich in grain. PAC 249 performs
particularly well on light soils, recognised as a hardy
hybrid capable of outperforming hybrids in the 100-104
CRM maturity bracket.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
14 © Corson Maize, 2021CORSON MAIZE HYBRIDS
Velocity DUAL PURPOSE
SILAGE CRM 95 / GRAIN CRM 98
REGION 1 Early
HYBRID TRAITS
REGION 2 Mid
Early Growth
REGION 3 Late
Drought Tolerance
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 85-95
Silage 90-100
Velocity produces a medium statured plant that is • T
he first maize hybrid bred in Germany
deceiving in its capability to produce high silage yields released by Corson Maize, gives further genetic
with very good digestibility and starch content. Uniform
diversity to our portfolio
ears with excellent test weight grain give Velocity the
added advantage of being able to be harvested for grain • F
ast growth through to tassel stage delivers
if required. quick canopy closure
Velocity has excellent stalk strength and with very good • E
xcellent total energy maize derived from high
root strength can stand confidently through to harvest
silage yield
for either silage or grain. Very good tolerance to rust
infection adds to its strong late-season plant health.
Velocity is bred by KWS.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 15CORSON MAIZE HYBRIDS
C29-A1 DUAL PURPOSE
SILAGE CRM 96 / GRAIN CRM 96
REGION 1 Early
HYBRID TRAITS
REGION 2 Mid
Early Growth
REGION 3 Late
Drought Tolerance
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 90-100
Silage 95-105
Distinct with a very tall bulky plant and large, well filled • S
trong performance as an early maturity
ears, C29-A1 retains its plant health late into the season dual purpose hybrid
to maximise its huge silage and grain yield potential.
• V
ery tall plant producing high grain
While primarily targeted at the silage market, A1 content silage
does not compromise on grain yield and will deliver
high yields of large, softer textured grain. A1 will • Excellent silage and grain yields
perform best on medium to heavy soil types and in
other situations where there is adequate fertility and
soil moisture to complete the growing cycle.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
16 © Corson Maize, 2021CORSON MAIZE HYBRIDS
N39-Q1 DUAL PURPOSE
SILAGE CRM 97 / GRAIN CRM 100
REGION 1 Early
HYBRID TRAITS
REGION 2 Mid
Early Growth
REGION 3 Late
Drought Tolerance
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 85-95
Silage 90-100
While primarily targeted at the silage market, N39-Q1 • E
arly to mid-maturity silage hybrid for most
can also be taken through for grain with confidence. North Island regions
This hybrid is characterised by a tall plant and a large
flex ear giving it excellent silage yields with high grain • Tall plant with high grain content
content. It has a sound agronomic package including
very good stalk strength and drought tolerance. • Excellent silage and grain yields
Q1 is an exciting option for silage growers in the
southern North Island as a mid-maturity hybrid or in
the northern North Island regions as an early
maturity option.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 17CORSON MAIZE HYBRIDS
Afinity DUAL PURPOSE
SILAGE CRM 97 / GRAIN CRM 100
REGION 1 Early
HYBRID TRAITS
REGION 2 Mid
Early Growth
REGION 3 Late
Drought Tolerance
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 85-95
Silage 90-100
Afinity is a medium-tall hybrid characterised by a • Full season grain hybrid for lower North Island
uniform, well-filled cob with a deep kernel which gives a
high yield of medium textured grain. • Ear uniformity provides consistent yields
Afinity has strong agronomic traits, with very good • Robust agronomic package
stalk strength, excellent Northern Leaf Blight resistance,
very good staygreen and a very good husk cover for
maximum ear protection.
Afinity is suited to the southern North Island as a full
maturity grain hybrid and as an early to mid-maturity
option for the northern North Island including the
East Coast.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
18 © Corson Maize, 2021CORSON MAIZE HYBRIDS
TM
PAC 314 DUAL PURPOSE
SILAGE CRM 101 / GRAIN CRM 101
REGION 1 Mid
HYBRID TRAITS
REGION 2 Mid
Early Growth
REGION 3 Late
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 90-100
Silage 95-105
PAC 314 is an attractive, medium-tall plant with good • M
id season dual purpose hybrid for all
early growth and excellent drought tolerance and North Island regions
adaptability. The broad semi-erect leaves and nice
thick stalks of PAC 314 provide good bulk for silage. • M
edium-tall, well-structured plant with plenty
Dent-type grain quality is very good and will be readily of eye-appeal
accepted by grain buyers and feed mills. Excellent grain
and silage results to date put this hybrid at or near the • A
riDapt™ drought ready technology
head of the pack, regardless of maturity, soil type ensures reliable results across environments
or location. and seasons
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 19CORSON MAIZE HYBRIDS
PAC 344 DUAL PURPOSE
SILAGE CRM 102 / GRAIN CRM 102
REGION 1 Mid
HYBRID TRAITS
REGION 2 Late
Early Growth
REGION 3 Very Late
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 90-100
Silage 95-105
PAC 344 is an exceptionally fast and strong starting • M
id-full season dual purpose hybrid for central
hybrid and maintains this advantage throughout the and upper North Island regions
season with excellent staygreen and Northern Leaf
Blight resistance and very good rust tolerance and • U
nique, medium height, compact plant with
finishing ability. thick stalks and very broad leaves
PAC 344 shows excellent early growth, uniformity, • E
xcellent stalk strength, ear-rot and Northern
vegetative growth and plant integrity. Drought Leaf Blight profiles
tolerance is very good but can be improved by lowering
plant population density. Grain quality is very good.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
20 © Corson Maize, 2021CORSON MAIZE HYBRIDS
N51-N4 DUAL PURPOSE
SILAGE CRM 102 / GRAIN CRM 104
REGION 1 Mid
HYBRID TRAITS
REGION 2 Late
Early Growth
REGION 3 Very Late
Drought Tolerance
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 85-95
Silage 95-105
N51-N4 has been long recognised as a market • C
ompetitive and stable grain and
leading grain hybrid. Over the last few years N4 has silage yields
demonstrated a strong aptitude for silage particularly
in more challenging situations. A strong all-round • W
ide adaption across northern regions
agronomic profile is highlighted by excellent drought and soils
tolerance and root strength, with very good ratings
for early growth, stalk strength and tolerance to leaf • A
n excellent choice for silage and grain
diseases. Feed quality parameters also rate very good growers throughout the East Coast,
to excellent. Fast drydown from medium to soft density Bay of Plenty and Waikato
grain means it is suited to starch and feed markets.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 21CORSON MAIZE HYBRIDS
G49-T9 MAIZE SILAGE
CRM 104
REGION 1 Mid
HYBRID TRAITS
REGION 2 Late
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown NA
PLANTING POPULATIONS (000/HA)
Grain NA
Silage 80-95
G49-T9 produces a tall crop with large ears which • Exciting silage hybrid that delivers very
combine to provide its high dry matter yield potential good yield potential
and dependable silage quality. Along with very good
whole plant digestibility and total energy, it will favour • T
all dark green plant with flexible stalks
both the silage grower and the silage user. and large ears
T9 is widely adapted and suitable for maize silage • R
eliable agronomic traits assist in maintaining
growers on all soil types targeting high silage yields. maximum yield potential
Moderate populations are recommended to get the
best balance of cob to stover.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
22 © Corson Maize, 2021CORSON MAIZE HYBRIDS
PAC 343 DUAL PURPOSE
SILAGE CRM 105 / GRAIN CRM 104
REGION 1 Mid
HYBRID TRAITS
REGION 2 Late
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 90-100
Silage 90-105
PAC 343 has a strong agronomic package and has • A
ttractive medium-tall plant. Well balanced
proven itself to be a resilient top end performer over the canopy with thick stalks
last four seasons ranking equally well in high and low
yielding environments for both silage and grain. Ears are • R
eliable high yields of medium textured grain.
of a good consistent size and tightly packed with starchy Large kernels and excellent grain quality
light-coloured grain.
• V
ery good staygreen, drought tolerance
Drought and general stress tolerance is very good. In and standability
stressed situations, plant size may be reduced but grain
yield will be much less affected providing good silage • F
inishes strongly owing to its very good stress
yields with a very high grain content. A top performer in tolerance and late season plant health
light and heavy soils and seems to be quite tolerant of
wet feet. This is a reliable hybrid that promises to deliver
excellent results for silage and grain growers.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 23CORSON MAIZE HYBRIDS
PAC 432 DUAL PURPOSE
SILAGE CRM 105 / GRAIN CRM 107
REGION 1 Mid
HYBRID TRAITS
REGION 2 Late
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 85-100
Silage 90-105
PAC 432 is a tall but well balanced plant with large • Tall but well balanced type, moderately leafy
consistent ears set at a low to medium height. Early
growth is typically slow but growth increases during • L
arge uniform ears typically 18 kernels around,
the vegetative period resulting in a very strong and with large kernels
robust plant. Kernel type is medium-soft (semi dent)
and kernel size is above average. Very good drought/ • Very good drought and stress tolerance
stress tolerance and excellent stalk strength, staygreen • Excellent stalk strength and Northern Leaf
and plant integrity create a solid platform for both
Blight resistance
silage and grain growers. Trial results to date put this
hybrid reliably among the top performers in this very • E
xcellent staygreen and late season
competitive maturity group. plant health
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
24 © Corson Maize, 2021CORSON MAIZE HYBRIDS
Plenitude DUAL PURPOSE
SILAGE CRM 107 / GRAIN CRM 107
REGION 1 Mid
HYBRID TRAITS
REGION 2 Late
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 85-95
Silage 90-100
Plenitude is a dual purpose hybrid producing high • D
ual purpose hybrid with impressive stature
yields of both grain and silage. The large leaves on this and yield
tall plant catch the eye and the medium-soft textured
kernels suit both silage and grain users. With a CRM of • Very good stalk and root strength
107, it is ideally placed as a longer hybrid in the upper
North Island and East Coast. • Medium-soft kernel texture
Plenitude has performed exceptionally over several
seasons in New Zealand and finds a fit with growers
who require both quality and yield from a hybrid of
this maturity.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 25CORSON MAIZE HYBRIDS
TM
PAC 430 DUAL PURPOSE
SILAGE CRM 108 / GRAIN CRM 108
REGION 1 Late
HYBRID TRAITS
REGION 2 Very Late
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 80-95
Silage 85-100
PAC 430 is a robust, medium-tall plant with broad • Medium-tall plant
leaves. This hybrid is consistently among the top
performing hybrids for both grain and silage trials. • A
riDapt™ drought-ready technology
Very good staygreen, very good plant integrity during ensures outstanding yield stability across
drydown and a nice low ear height, combined with its environments and seasons
very good stalk and excellent root strength means
PAC 430 stands very strongly. • W
ell balanced canopy provides good bulk.
Long, girthy ears typically 18 kernels around
• E
xcellent grain quality, very good staygreen
and standability
• F
inishes strongly owing to its excellent drought
tolerance and very good late season
plant health
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
26 © Corson Maize, 2021CORSON MAIZE HYBRIDS
Pelota MAIZE SILAGE
CRM 109
REGION 1 Late
HYBRID TRAITS
REGION 2 Very Late
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown NA
PLANTING POPULATIONS (000/HA)
Grain NA
Silage 90-100
Pelota is a large bulky plant with an impressive stature. • Tall, bulky plant
Good sized cobs are set quite high. Pelota is positioned
as a silage hybrid on good ground (including peat) and • Good cob size and uniformity
should deliver impressive yields.
• V
ery good early growth and Northern Leaf
Pelota shows very good early growth and Northern Blight tolerance
Leaf Blight tolerance. Its very good root strength and
staygreen makes it a strong finishing hybrid.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 27CORSON MAIZE HYBRIDS
PAC 456 DUAL PURPOSE
SILAGE CRM 109 / GRAIN CRM 109
REGION 1 Late
HYBRID TRAITS
REGION 2 Very Late
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 85-90
Silage 85-100
PAC 456 is a tall, high yielding dual purpose hybrid with • F
ull season dual purpose hybrid for northern
a large bulky canopy and long harvest window. Purpose and central regions
bred in Europe for dry matter and energy production.
• V
ery good staygreen and a lengthy grain fill
PAC 456 can have a high ear placement particularly period provides a long harvest window
if planted at high rates, this means that planting
rates should not go above 90,000 seeds/ha for grain • V
ery good rust resistance and late season
crops. However, good grain quality, yields, drydown, plant health
standability and plant integrity during grain drydown
make this hybrid a top performer for both grain and
silage. Husk cover is very good and ears are large and
packed with large deep kernels ensuring silage of high
grain content and energy.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
28 © Corson Maize, 2021CORSON MAIZE HYBRIDS
Z71-F1 MAIZE SILAGE
CRM 111
REGION 1 Late
HYBRID TRAITS
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility
Total Energy
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown NA
PLANTING POPULATIONS (000/HA)
Grain NA
Silage 80-95
Z71-F1 offers very good early growth developing into • F
ull maturity TENDERLEAFY® silage hybrid
a tall, bulky plant with large ears as well as very good developed in New Zealand by Corson Maize
staygreen which contributes to a wide harvest window.
F1 has a high grain content and very good whole • V
ery large plant with high grain yield and a
plant digestibility. sound agronomic package
F1 is suitable for warmer northern regions where early • Excellent yield performance in this maturity
planting is possible. It is ideally suited to contract silage
production, targeting high yields and quality silage.
Dairy farmers can take advantage of its performance by
planting early on a run-off.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 29CORSON MAIZE HYBRIDS
PAC 564 DUAL PURPOSE
SILAGE CRM 113 / GRAIN CRM 115
REGION 1 Late
HYBRID TRAITS
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown
PLANTING POPULATIONS (000/HA)
Grain 80-95
Silage 85-100
PAC 564 is a unique medium, bulky hybrid in this • Bulky, medium height plant
ultra-full season bracket dominated by tall plants.
• Exceptionally high and stable yields
PAC 564 has shown itself to be much more resilient,
adaptable and resistant to lodging than all other hybrids • Excellent cob size and uniformity
tested in this bracket. It has very good drought and • T
hick stalks, strong roots and low ear
Northern Leaf Blight tolerance and responds well to
higher planting rates whilst still performing well at
placement with very good lodging resistance
lower rates.
Key:
Poor Below Average Good Very Good Excellent NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
30 © Corson Maize, 2021CORSON MAIZE HYBRIDS
PAC 624 MAIZE SILAGE
CRM 115
REGION 1 Very Late
HYBRID TRAITS
Early Growth
Drought Tolerance
Staygreen
Whole Plant Digestibility ID
Total Energy ID
Stalk Strength
Root Strength
Rust Tolerance
Northern Leaf Blight
Grain Drydown NA
PLANTING POPULATIONS (000/HA)
Grain NA
Silage 80-90
PAC 624 is a purpose-bred silage hybrid for early plant • Ultra-full season silage hybrid for Northland,
situations in the warmer northern regions and is firmly Waikato and the Bay of Plenty
positioned as a market leader in this ultra-long maturity
group. Large girth cobs packed with medium soft, • H
uge cobs typically 20 kernels around with
starchy grain combined with good digestibility ensures large kernels
silage of excellent quality is produced.
• V
ery good staygreen with a long grain
The hybrid has good standability, however the fill period
sheer size of the plants means that it can become
overcrowded at high planting rates, increasing cob
height and reducing standability and cob tip fill. For this
reason we recommend lower than usual planting rates
that will still produce very high yields.
Key:
Key:
Poor
Poor
Below
Below Average
Average
Good
Good
Very
Very Good
Good
Excellent
Excellent NA
NA -- Not
Not Applicable
Applicable ID
ID -- Insufficient
Insufficient Data
Data
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
All ratings are not comparable to any other companies’ ratings and are based on observations by Corson Maize staff.
© Corson Maize, 2021 31PRODUCT
CORSON MAIZE
HYBRID TRAITS
NEW
Delitop Booster PAC 119 Comet PAC 249 Velocity C29-A1 N39-Q1 Afinity PAC 314 PAC 344
CRM SILAGE 78 81 90 92 95 95 96 97 97 101 102
CROP RELATIVE
MATURITY
CRM GRAIN 88 88 90 NA 97 98 96 100 100 101 102
HUSK COVER S L M L M S M M M M M
EAR FLEX SF SF F SF F SF SF F SF F F
EARLY GROWTH
5
5
4 3
3
4
4
2
2
3
5
RELATIVE PLANT
M T MT MT MT M T T MT MT M
HEIGHT
PLANT TRAITS
STAYGREEN
4
4
5 4
4
4
5
4
4
4
5
ROOT STRENGTH
5
4
4 3
3
4
4
4
4
5
4
STALK STRENGTH
4
4
5 4
4
5
4
4
4
4
5
DROUGHT
TOLERANCE
4
4
5 4
5
4
4
4
3
5
4
RUST
4
3
3 5
4
4
4
4
4
3
4
DISEASE RESISTANCE
NORTHERN LEAF
BLIGHT
4
3
4 2
3
3
4
4
5
4
5
WHOLE PLANT
SILAGE QUALITY DIGESTIBILITY
5
4 ID 4 ID
4
4
4
5 ID ID
TRAITS
TOTAL ENERGY
4
4 ID 5 ID
5
4
5
5 ID ID
KERNEL DEPTH M M D D D D D M D D D
KERNEL TEXTURE H H M MS M MH S M M M MH
GRAIN
CHARACTERISTICS
GRAIN DRYDOWN
3
3
4 NA
3
4
4
4
4
4
4
TEST WEIGHT
5
5
4 NA
4
5
3
4
4
4
4
PLANTING GRAIN 90-100 90-105 90-100 NA 90-100 85-95 90-100 85-95 85-95 90-100 90-100
POPULATIONS
(000/HA) SILAGE 100-110 95-110 95-105 95-105 95-105 90-100 95-105 90-100 90-100 95-105 95-105
TRAIT RATINGS
1 Poor
2 Below Average
3 Good
4 Very Good
5 Excellent
NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations
by Corson Maize staff. For more information on trait ratings see page 34. Key: Silage Dual Purpose
32 © Corson Maize, 2021PRODUCT
CORSON MAIZE
HYBRID TRAITS
NEW
N51-N4 G49-T9 PAC 343 PAC 432 Plenitude PAC 430 Pelota PAC 456 Z71-F1 PAC 564 PAC 624
CRM SILAGE 102 104 105 105 107 108 109 109 111 113 115
CROP RELATIVE
MATURITY
CRM GRAIN 104 NA 104 107 107 108 NA 109 NA 115 NA
HUSK COVER L S L L M L M M S M L
EAR FLEX SF F F F SF F SF F F F F
EARLY GROWTH
4
4
3
3
4
3
4
3
4
3
53
RELATIVE PLANT
MT T MT T T MT T T T M T
HEIGHT
PLANT TRAITS
STAYGREEN
4 4
4
5
4
4 4
4
4
5 4
ROOT STRENGTH
5 4
4
3
4
5 4
3
4
4 4
STALK STRENGTH
4 4
4
5
4
4
53
4
4
4 5
DROUGHT
TOLERANCE
5 4
4
4
3
5
53
3
4
4 4
RUST
4 4
3
3
4
3
53
4
4
3
53
DISEASE RESISTANCE
NORTHERN LEAF
BLIGHT
4
53
4
5
2
4 4
4
4
4 4
WHOLE PLANT
SILAGE QUALITY DIGESTIBILITY
4 4 ID ID
5 ID ID ID
4 ID ID
TRAITS
TOTAL ENERGY
5 4 ID ID
5 ID ID ID
5 ID ID
KERNEL DEPTH D M D D M D D D M D D
KERNEL TEXTURE MS S M MS MS M M M S M MS
GRAIN
CHARACTERISTICS
GRAIN DRYDOWN
4 NA
4
3
4
4 NA
3 NA
2 NA
TEST WEIGHT
4 NA
4
4
4
4 NA
4 NA
4 NA
PLANTING GRAIN 85-95 NA 90-100 85-100 85-95 80-95 NA 85-90 NA 80-95 NA
POPULATIONS
(000/HA) SILAGE 95-105 80-95 90-105 90-105 90-100 85-100 90-100 85-100 80-95 85-100 80-90
TRAIT RATINGS
1 Poor
2 Below Average
3 Good
4 Very Good
5 Excellent
NA - Not Applicable ID - Insufficient Data
All ratings are not comparable to any other companies’ ratings and are based on observations
by Corson Maize staff. For more information on trait ratings see page 34. Key: Silage Dual Purpose
© Corson Maize, 2021 33PRODUCT
CORSON MAIZE
HYBRID TRAITS
The following traits are rated for the respective 11. Forage Protein
Corson Maize hybrids. The ratings provided are based Rating of whole plant crude protein content.
on observations by Corson Maize staff and are not
comparable to any other companies' ratings. For some 12. Forage Starch
hybrids, specific trait ratings are Not Applicable (NA), Rating of starch available from the forage.
while for others there is Insufficient Data (ID) to present.
13. Whole Plant Digestibility
1. Comparative Relative Maturity (CRM) Based on digestibility of organic matter. This
Rating based on Growing Degree Units (GDU) to provides a relative indication of the energy potential
silage harvest and harvest moisture relative to other of a forage.
Corson Maize hybrids.
14. Total Energy
2. Husk Cover This takes into account estimated feed energy
Length of husk extending over the cob. L = Long; and yield to give a relative rating for total energy
M = Medium; S = Short. harvested per hectare.
3. Ear Flex 15. Grain Protein
F = Flex (Indeterminate ear size) the hybrid has the Relative grain crude protein levels.
ability to extend ear length and/or kernel rows when
16. Grain Hardness
growing conditions allow; SF = Semi flex ear type.
Based on the amount of energy required and/or
4. Early Growth the time taken to grind a standard grain sample.
Rating of early growth to the 5th collared leaf stage. Usually measured using a Stenvert Hardness Tester.
5. Relative Plant Height 17. Kernel Depth
T = Tall; MT = Medium-tall; M = Medium; S = Short. Length of individual kernels from the crown to the
tip cap. D = Deep; MD = Medium deep; M = Medium;
6. Staygreen S = Shallow.
A measure of late season plant health. A lower score
means the plant stover dries down more rapidly as it 18. Kernel Texture: Endosperm texture
approaches maturity. H = Hard; MH = Medium hard; M = Medium;
MS = Medium soft; S = Soft.
7. Root Strength
Relative resistance to root lodging. 19. Grain Drydown
Relative rate of moisture loss from grain following
8. Stalk Strength physiological maturity.
Relative resistance to stalk breakage/lodging.
20. Test Weight
9. Drought Tolerance Based upon grain test weight (kg/hL) corrected to
Ability to withstand dry conditions. 14% kernel moisture content.
10. Disease Ratings
Please note that these ratings are not absolute.
Environmental conditions play a critical role in
disease development, which can, in turn, predispose
plants to secondary diseases. If conditions are severe,
even hybrids rated with excellent resistance can be
adversely affected. Growers should balance yield
potential, hybrid maturity and cultural practices
(crop rotations, crop residue management etc.)
against the anticipated risk of disease pressure.
34 © Corson Maize, 2021PRODUCT
RE-PLANT
POLICY*
Growing an excellent maize crop requires This policy allows growers who have had a crop,
sourced from any maize seed company, fail within
good planning and following best practice two months of planting to purchase seed from Corson
processes, however sometimes failures Maize at half price to re-sow the failed crop. This does
not cover greenfeed maize products or sweetcorn and
may occur. does not cover the cost of the seed treatment.
At Corson Maize we will share some of the cost of a Talk to your Corson Maize Sales Agronomist for
failed crop. We will supply replacement Corson Maize further details or visit corsonmaize.co.nz
seed at half price if, within two months of planting, the
* Conditions apply – for full terms and conditions go to corsonmaize.co.nz
crop fails and needs to be re-planted.
© Corson Maize, 2021 35MAIZE SEED TREATMENT
MAIZE SEED TREATMENT
TESTED, TRIED AND TRUSTED
The application of seed treatment to GROWER BENEFITS:
maize seed is an important step in helping • Provides highly targeted protection against
ensure crops establish and grow to their economically damaging insect pests and diseases
during the plant establishment period, helping
full potential. maximise seedling emergence, early plant
development and crop yield.
Seed treatment has a key role to play in the first four to six
weeks after planting, the period when young seedlings • Minimises costly re-plants and lost production,
are most at risk from external threats such as insect and protecting the maize seed investment.
disease pressure.
• Reduced environmental impact due to very small
All hybrids in the Corson Maize portfolio can be quantities of chemical active ingredients being
treated with industry leading plant protection agents applied to the seed.
including Poncho® Votivo and Vitaflo®. Both products
have a registration for maize seed treatment, with • With pesticides pre-applied, seed treatment
proven efficacy against insect pests and diseases in products are recognised for their ease of use and
New Zealand. safety profile, provided the appropriate handling
procedures are adopted.
36 © Corson Maize, 2021MAIZE SEED TREATMENT
MAIZE SEED TREATMENT
TESTED, TRIED AND TRUSTED
1: INSECT PROTECTION - 2: CORSON MAIZE FUNGICIDE
PONCHO® VOTIVO SEED TREATMENT
Poncho® Votivo is a seed treatment combination Vitaflo® is a broad spectrum, dual action (systemic and
providing both synthetic and biological control of target contact) fungicide which controls seed and soil borne
pests. Poncho is the industry-leading seed-applied diseases, and also acts as a plant growth stimulant.
insecticide and includes the active ingredient clothiandin. Worldwide, it is a specialised seed treatment fungicide
Through its systemic mode of action and increased for effective control and prevention of disease present
spectrum, Poncho provides a high level of protection externally and within the seeds, with an increased level of
against early crop pests for up to six weeks after sowing. disease control.
Votivo (Bacillus firmus L -1582) is a world leading biological
seed treatment, providing suppression against root Vitaflo is a unique fungicide and growth promotant
feeding soil nematodes and improved plant health. and contains both thiram and carboxin (internationally
recognised fungicides for seed protection). Thiram
Poncho Votivo protects against: controls diseases borne on the outside of the seed
coat and provides a protective barrier around the seed.
ü Argentine Stem Weevil (adults and larvae) Carboxin is a patented growth stimulant and is also
ü Black Beetle (adults) recognised as one of the world’s leading seed treatment
fungicides. It penetrates the seed coat to control smuts
ü Greasy Cutworm (larvae) and other diseases borne in the embryo and provides
ü Soil Nematodes systemic protection against seedling rots during seedling
development.
HOW SYSTEMIC INSECTICIDES WORK
Ingestion of
active ingredient
by foliar insects.
Repellency and Ingestion of
contact effect active ingredient
against soil by soil insects.
insects.
1
2
3
MODE OF ACTION
1 Active ingredient is released after seed is planted
forming a protective barrier around the seed.
2 Plant absorbs active ingredient through the roots.
3 Active ingredient is transported to developing foliage
and is uniformly distributed in plant tissues.
© Corson Maize, 2021 37MAIZE SEED TREATMENT
MAIZE SEED TREATMENT
TESTED, TRIED AND TRUSTED
3: BIRD PROTECTION - INSECT EFFICACY
AVIPEL®
The effect of seed treatment on the % of emergent seedlings
Avipel® contains a naturally occurring organic substance killed by insect pests (Black Beetle, Argentine Stem Weevil,
which acts as a bird deterrent. When birds consume Greasy Cutworm) during establishment
seeds treated with Avipel they experience an unpleasant
but harmless gut reaction which they associate with the
% of emergent seedlings
40
killed by insect pests
location. Birds quickly learn to avoid Avipel treated seeds
30
and look to forage for other food sources.
20
10
0
PONCHO CRUISER UNTREATED
Seed Treatment Product
Poncho® Votivo and Vitaflo®
are recommended as the standard
treatment to all hybrids in PLANT NUMBERS
the Corson Maize portfolio.
The effect of seed treatment on plant numbers
Avipel is available on request.
40
35
Mean number of plants/5.3m
30
of row at harvest
25
20
4: SEED TREATMENT PERFORMANCE 15
The following data was collected from a replicated field 10
trial carried out by AgResearch in the Waikato prior to the 5
commercial release of Poncho® into the maize market. 0
The trial was planted in October 1999. Evaluations were PONCHO CRUISER UNTREATED
carried out over the first six weeks to ascertain the effect
Seed Treatment Product
of seed treatment on insect pests, with plant numbers and
crop yields measured in March 2000.
CROP YIELD
The effect of seed treatment on crop yield
30
Dry Matter Yield (mt/ha)
25
20
15
10
5
0
PONCHO CRUISER UNTREATED
Seed Treatment Product
38 © Corson Maize, 2021MAIZE SEED TREATMENT
MAIZE SEED TREATMENT
TESTED, TRIED AND TRUSTED
CROP YIELD & FEED VALUE 5: PRODUCT STEWARDSHIP
PONCHO® UNTREATED SEED The seed treating process undertaken by Corson Maize
TREATED SEED
Crop Yield (kgDM/ha) 24,600 17,110 ensures all seed treatment products are applied with
Feed Value/ha $5,904 $4,106 a high degree of accuracy to every seed in order to
maximise the plant protection benefits.
*Yield data extracted from AgResearch field trial in 1999/2000.
The application of an industry leading polymer
(Peridiam® EV309) binds the active ingredients to the
seed, ensuring they are delivered to the soil as required.
NET
NET FINANCIAL BENEFIT The seed treatment polymer minimises any ‘dust off’,
protecting the environment and ensuring the safety of
seed planting operators. The polymer has also shown
THE APPLICATION OF PONCHO® IN THE superior performance in terms of flow-ability of treated
ABOVE TRIAL PRODUCED AN ADDITIONAL maize seed through drills.
7,490 KG OF DM/HA OVER AND ABOVE
UNTREATED SEED, PROVIDING A NET FINANCIAL When handling treated maize seed, it is important to
wear protective clothing including gloves and a mask,
BENEFIT OF $1,648/HA.
as well as washing hands and any exposed skin prior
Assumptions: to meals. Treated seed should be kept out of reach of
children, livestock and birds. Store treated seed in a cool,
Maize silage valued at $0.24/kgDM. dry environment away from direct sunlight.
Maize seed sown at 1.25 bags/ha (100,000 seeds) Poncho Votivo is a registered trademark of BASF and is registered pursuant
to the ACVM Act 1997. Vitaflo is a registered trademark of MacDermid
Estimated retail cost of the Poncho treatment is $150/ha (GST inclusive) Agricultural Solutions Ltd., is registered pursuant to the ACVM Act 1997,
No. P2694 and is approved pursuant to the HSNO Act 1996, Approval Code
HSR000476. Avipel is a registered trademark of Arkion Life Sciences.
For untreated seed options (for organic use) contact
your local Corson Maize Sales Agronomist.
© Corson Maize, 2021 39TECHNICAL
SOIL FERTILITY
& FERTILISER
FERTILISER AND THE MAIZE CROP K has a number of roles in plants. It plays an important
role in regulating the water content of the plant, is
Growers need to ensure they supply the nutrients that essential for the transport of sugar from the leaves to the
are essential for crop development – however excess storage organs where the sugar is converted to starch,
nutrients have the potential to remain in the soil and and it plays a major role in maintaining the rigidity of
leach into groundwater. plant tissue.
Nitrogenous Fertilisers Trace Elements
Nitrogen (N) is a key building block for a successful crop. Magnesium (Mg) is an essential element in chlorophyll
A soil test before cultivation will determine the levels of and hence for photosynthesis. Crop removal is in the
available N in the soil. region of 40 kg/ha Mg.
A maize plant will use very little N in the first month. Zinc (Zn) and manganese (Mn) are two trace elements
This increases to reach a peak prior to flowering – and removed by maize crops – typically 500 g/ha and 1500 g/
with a need for phosphate (P) and potassium (K) as well ha respectively by a maize grain crop.
as water in this key period, any stress or deficiency at
this stage has the potential to cause major yield Soil pH and Maize
penalties for the crop. Maize requires a soil pH of 5.8-6.0. Soil microbial
activity is optimised at pH levels around 6.0, increasing
Phosphate (P) and Potassium (K) nutrient cycling and biological activity. When the soil
Both P and K are best added in the base fertiliser to the pH drops below 5.5, Mg, calcium, K and molybdenum
seed bed. P is required particularly by the growing tips of availability falls.
the plant, hence its importance for root growth.
MAIZE NUTRIENT UPTAKE ACROSS GROWTH STAGES
Potassium Nitrogen Phosphorus
% OF TOTAL UPTAKE
R2 R3
R4 R5
R6
VE V2 V4 V7 V12 VT R1 R2-R6 R6
EMERGENCE VEGETATIVE GROWTH TASSLE REPRODUCTIVE GROWTH
Key:
VE = Vegetative Emergence • V = Vegetative • VT = Vegetative Tassling • R = Reproductive • Kernel Development
40 © Corson Maize, 2021You can also read
