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Increased Irrigation Effects on Corn Hybrids

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Objective

  • Compare the effects of watering every row middle vs. every other row middle for furrow irrigated corn grown in Mississippi on light-textured soils with limited water holding capacity.

Study Description

Plot Layout: On-farm strip trial
Experimental Design:  Split block 
Replicates:   1 
Number of Locations:   1
Soil Type:   Very fine sandy loam
Factors:    
   Irrigation:  Irrigate every other row middle
  Irrigate every row middle 
   Pioneer® Hybrid/Brand¹:  
   P1319HR
   (HX1, LL, RR2)		 P1690YHR 
(YGCB, HX1, LL, RR2)
   P1498YHR
   (YGCB, HX1, LL, RR2)		 P1739HR
(HX1, LL, RR2)
   P1602XR
   (HXX, LL, RR2)		 P1745BVT^
(AVBL,CB,LL,GT)
   P1636YHR
   (YGCB, HX1, LL, RR2)		 P1883YHR
(YGCB, HX1, LL, RR2)
   P1646CHR
   (RW, HX1, LL, RR2) 		P2088YHR
(YGCB, HX1, LL, RR2)
   P1685YHR
      (YGCB, HX1, LL, RR2)		  
   Competitor Hybrids:  
   DKC62-08 DKC64-69 
   DKC66-97 DKC69-29
Cooperator:  Livingston Farms, Leland, Miss. 
Map: agronomy research location

Results

  • Yield response to increased irrigation for Pioneer® brand hybrids deemed suitable to be grown in Mississippi under fully irrigated conditions on sandy soils averaged 12.4 bu/acre.
  • Yield response to increased irrigation for more versatile hybrids suitable to be grown under all water regimes was 5.4 bu/acre.
  • Yield response to increased irrigation for Pioneer brand hybrids deemed suitable only for limited irrigation and/or dryland environments was 2.2 bu/acre.
  • Differential responses by hybrids to increased irrigation illustrates the importance of hybrid placement.
  • Responses to increased irrigation demonstrated in this trial should be expected to be more dramatic in years that are excessively hot and dry.
Chart: Pioneer® Brand Corn Hybrid Response to Increased Irrigation By Suitability

Chart: Yield of Pioneer® Brand and Competitor Hybrids Using Two Irrigation Patterns

Chart: Corn Yield Response to Irrigating Every Row Middle Compared to Every Other Row Middle

¹All Pioneer products are hybrids unless designated with AM1, AM, AMRW, AMX and AMXT, in which case they are brands.
PIONEER® brand products are sold subject to the terms and conditions of sale which are part of the labeling and purchase documents. 2013 data are based on average of all comparisons made in one location through November 25, 2013. Comparisons are against any number of products of the indicated competitor brand unless otherwise stated. Multi-year and multi-location is a better predictor of future performance. Do not use these or any other data from a limited number of trials as a significant factor in product selection. Product responses are variable. Contact a Pioneer sales representative for the latest and complete listing of traits and scores for each Pioneer® brand product.

        

YGCB,HX1,LL,RR2 (Optimum® Intrasect®) - Contains the YieldGard® Corn Borer gene and Herculex® I gene for resistance to corn borer.
Herculex® I Protection technology by Dow AgroSciences and Pioneer Hi-Bred. Herculex® and the HX logo are registered trademarks of Dow AgroSciences LLC.
YieldGard®, the YieldGard Corn Borer Design and Roundup® Ready are registered trademarks used under license from Monsanto Company.
Liberty®, LibertyLink® and the Water Droplet Design are trademarks of Bayer.

           

RW,HX1,LL,RR2 (Optimum® TRIsect®) - Contains the Herculex® I gene for above-ground pests and the Agrisure® RW trait for resistance to corn rootworm.
Herculex® I Insect Protection technology by Dow AgroSciences and Pioneer Hi-Bred. Herculex® and the HX logo are registered trademarks of Dow AgroSciences LLC.
Agrisure® is a registered trademark of, and used under license from, a Syngenta Group Company. Agrisure® technology incorporated into these seeds is commercialized under a license from Syngenta Crop Protection AG.
Liberty®, LibertyLink® and the Water Droplet Design are trademarks of Bayer.
Roundup Ready® is a registered trademark used under license from Monsanto Company.

Agrisure® is a registered trademark of, and used under license from, a Syngenta Group Company. Agrisure® technology incorporated into these seeds is commercialized under a license from Syngenta Crop Protection AG.

AVBL,CB,LL,GT - Contains the Agrisure Viptera® 3110 trait stack: Agrisure Viptera®, Agrisure® CB and Agrisure® GT traits. Agrisure® and Agrisure Viptera® are registered trademarks of, and used under license from, a Syngenta Group Company. Agrisure® technology incorporated into these seeds is commercialized under a license from Syngenta Crop Protection AG.

HXX - Herculex® XTRA contains both the Herculex I and Herculex RW genes.
Herculex® XTRA Insect Protection technology by Dow AgroSciences and Pioneer Hi-Bred. Herculex® and the HX logo are registered trademarks of Dow AgroSciences LLC.