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Corn Hybrid Maturity Considerations

June 27, 2013
By: Ellie Murphy, Farm Journal Media Intern
episode4relativematurity
  

Geography plays an important role in determining the relative maturity of your hybrid. Farm Journal’s Associate Field Agronomist Missy Bauer explains how to choose the best variety for each climate in Episode 4 of Corn College TV Season 3.

Varieties with shorter relative maturities are expected to do better in colder climates where crops are harvested before there is a risk of freezing. Longer maturity hybrids should be chosen for the warmer climates. Bauer says, "If we’re in an area that can handle a longer season, it gives us that much more time for good fill and in theory, higher yields."

(Click here to order Corn College TV Education Series on DVD.) 

Heat and stress should also be considered with relative maturity. "What we want to think about is spreading out our risk enough so that we’ve got the number of heat units until we get to flowering." Bauer explains that the best way to weather-proof the farm is all in the timing when it comes to relative maturity. "Considering the timing of stress based on heat really affects the yield. It doesn’t mean it’s a bad hybrid, it just hit the timing wrong."

Watch Episode 4 of Corn College TV Season 3 to learn more about relative maturity. Click here to register for 2013 Corn College events this summer.

 

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