Wisconsin Corn Crop Hybrid Seed-Performance Trials December 2020

WISCONSIN CROP HYBRID PERFORMANCE TRIALS CORN GRAIN AND CORN SILAGE

U N I V E RS I T Y O F W I SCO N S I N

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INSIDE Table 2 : Corn hybrids included in 2020 trials

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Table 3 : List of transgenic technologies

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Table 6 : Individual trial information

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Corn Grain Table 7: Southern zone early-maturity grain trial

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Table 8: Southern zone late-maturity grain trial

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Table 9: South-central zone early-maturity grain trial

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Table 10: South-central zone late-maturity grain trial

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Table 11: North-central zone early-maturity grain trial

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Table 12: North-central zone late-maturity grain trial

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Table 13: Northern zone grain trial

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Corn Silage

INTRODUCTION Every year, the University ofWisconsin-Extension and the University of Wisconsin Madison College of Agricultural and Life Sciences conduct a corn evaluation program in cooperation with the Wisconsin Crop Improvement Association. The purpose of this program is to provide unbiased performance comparisons of hybrid seed corn for both grain and silage available in Wisconsin.

In 2020, grain and silage performance trials were planted at 141ocations in four pro duction zones: the southern, south central, north central, and northern zones. Both seed companies and university researchers submitted hybrids. Companies with hybrids included in the 2020 trials are listed in Table 1. Specific hybrids and where they

were tested are shown in Table 2. A summary of the transgenic traits tested in 2020 is shown in Table 3. A summary of seed treatment performance in 2020 is shown in Table 4. In the back of the report, hybrids tested over the past three years are listed in Table 23. At most locations, trials were divided into early- and late-maturity trials based on the hybrid relative maturities provided by the companies. The specific relative maturities separating early- and late-trials are listed in the tables.

Growing Conditions For 2020 Seasonal precipitation and temperature at the trial sites are shown in Table 5.

The 2020 growing season was average at most sites for temperature and precipitation compared to the 30-year normal.

Scattered drought affected northeastern

Table 14: Southern zone early-maturity silage trial

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Table 15: Southern zone late-maturity silage trial

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Table 16: South-central zone early-maturity silage trial

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Table 17: South-central zone late-maturity silage trial

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Table 18: North-central zone early-maturity silage trial

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Table 19: North-central zone late-maturity silage trial

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Table 20: Northern zone silage trial

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Wisconsin and the trials at Seymour and Coleman. Planting progress was typical of previous seasons. Most trial plots were established by early May. Stand establishment was good to excellent at all locations.

In southern Wisconsin, a high wind event occurred in early July, before brace root formation, resulting in extensive lodging at Arlington and Montfort that ultimately affected combine harvest and corn yield.

Pollination conditions were above average and ear size was longer than normal. A light frost in early September killed the upper leaves in northern Wisconsin. The fall killing frost was later than normal. In southern Wisconsin, grain moisture was higher than normal and slower to dry down. Little disease and insect pressure were observed in most trials.

SEE PAGE 10 FOR CORN-GRAIN RESULTS AND PAGE 17 FOR CORN-SILAGE RESULTS Visit corn.agronomy.wisc.edu for more information on corn trials and research.

Pulaski Warehouse, Inc. 5777 Quarry Drive • Pulaski, WI 54162 Phone 920-822-3536 • Fax 920-822-5030 www.pulaskiwarehouse.com

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Merry Christmas!

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5777 Quarry Drive - Pulaski, WI 54162 2-1/2 Miles South of Pulaski on Hwy. 32 or 2 Miles North of Hwy. 29 on Hwy. 32, Then 1/2 Mile East of Hwy. 32 on Quarry Drive

Phone: 920-822-3536 HOURS: Mon.-Fri. 8-5; Sat. 8-Noon

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UW 2020 WISCONSIN CROP HYBRID PERFORMANCE TRIALS – CORN

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SEE PAGE 17 FOR CORN-SILAGE RESULTS.

Visit corn.agronomy.wisc.edu for more information on corn trials and research.

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Visit corn.agronomy.wisc.edu for more information on corn trials and research.

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UW 2020 Wisconsin Crop Hybrid Performance Trials – Corn Grain Visit corn.agronomy.wisc.edu for more information on corn trials and research.

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CORN GRAIN

VISIT CO R N .

AG RO N O M Y. W I SC . E DU FO R M O R E I N FO R M AT I O N O N CO R N TRIALS AND R ES E A RC H .

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S E E PAG E 1 0 F O R C O R N - G R A I N R E S U LT S .

C O R N S I L AG E

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C O R N S I L AG E

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Contact your local Dairyland Seed district sales manager for more information: KEVIN NAZE Northeast WI (920) 309-0255 --RYAN DURRANT Northcentral WI (715) 467-1770

BILL GAUSMAN Northwest WI (715) 684-9755 --TREVOR KNUTSON Northwest WI (715) 307-2779

STEVE VANDENPLAS Eastern WI (920) 366-6322 --BRIAN GRADE Central WI (920) 948-7223

CRAIG ROBINSON Western WI (715) 491-0707 --LUKE BIRD Southeast WI (262) 206-4729

RYAN RIPP Southcentral WI (608) 338-5582 --MONTY BURNS Southwest WI (563) 329-0301 TM

CHAD BUTTS Southern WI (608) 290-3191

® Trademarks of Corteva Agriscience and its affiliated companies. © 2020 Corteva.

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WHEN YOU’RE DAIRYLAND SEED PROUD, SILAGE QUALITY IS MEASURED

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Learn more at DairylandSeed.com

(800) 236-0163

DairylandSeed.com

/DairylandSeed

@DairylandSeed

/DairylandSeed

Contact your local Dairyland Seed district sales manager for more information: KEVIN NAZE Northeast WI (920) 309-0255 --RYAN DURRANT Northcentral WI (715) 467-1770

BILL GAUSMAN Northwest WI (715) 684-9755 --TREVOR KNUTSON Northwest WI (715) 307-2779

STEVE VANDENPLAS Eastern WI (920) 366-6322 --BRIAN GRADE Central WI (920) 948-7223

CRAIG ROBINSON Western WI (715) 491-0707 --LUKE BIRD Southeast WI (262) 206-4729

RYAN RIPP Southcentral WI (608) 338-5582 --MONTY BURNS Southwest WI (563) 329-0301 TM

CHAD BUTTS Southern WI (608) 290-3191

® Trademarks of Corteva Agriscience and its affiliated companies. © 2020 Corteva.