How Corn Hybrids of Today vs. Yesterday Respond to Plant Populations

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Hybrid Response to Plant Population

Corn yields have increased significantly during the past 50 years. Improved stress tolerance of hybrids is one major contributing factor, allowing growers to plant at higher populations. The question is considering the advancements in today's corn hybrids, how much more yield potential exists when growers increase plant populations.

 
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Herculex® I    

HX1 – Contains the Herculex® I Insect Protection gene which provides protection against European corn borer, southwestern corn borer, black cutworm, fall armyworm, lesser corn stalk borer, southern corn stalk borer, and sugarcane borer; and suppresses corn earworm.
Herculex® I Insect Protection technology by Dow AgroSciences and Pioneer Hi-Bred. Herculex® and the HX logo are registered trademarks of Dow AgroSciences LLC.

 

Herculex® XTRA Herculex® I Herculex® RW
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.
LibertyLink®    LL - Contains the LibertyLink® gene for resistance to Liberty® herbicide.
Liberty®, LibertyLink® and the Water Droplet Design are trademarks of Bayer.

 

Roundup Ready® Corn 2    RR2 - Contains the Roundup Ready® Corn 2 trait that provides safety for over-the-top applications of labeled glyphosate herbicides when applied to label directions.
Roundup Ready® is a registered trademark used under license from Monsanto Company.

 

 
 
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