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2021 Soybean Traits

Nov 12, 2020

By Jeff Blauwet, CFE Technical Agronomist

XtendFlex® received export approval this fall. We now have some decisions to make regarding soybean variety selection. In 2021 we will have XtendFlex, Xtend®, Enlist®, as well as GT27™herbicide tolerant traits that will all be commercially available to soybean producers. 

Let’s look at what all these traits mean:
 
Trait Roundup Dicamba¹ Liberty 2,4-D² Isoxaflutole³
XtendFlex YES YES YES NO NO
Xtend YES YES NO NO NO
Enlist E3 YES NO YES YES NO
GT27  YES NO YES NO YES
¹ Xtendimax, Engenia, or FeXapan containing herbicides
² Enlist containing herbicides

³ Alite™ 27 (Balance) tolerance but only labeled in South Dakota on some soils (Not IA or Minn.


Weed control is an important component of a productive soybean field. Some of these herbicide traits can be very helpful tools, however, we first need to start with the genetics and how they fit agronomically! We can have a clean field but give up 20-30 bu/ac because that soybean does not handle SDS or white mold. That does not pay the bills very well.

Start with your agronomic needs and only select from varieties that fit those criteria. If there is not much to pick from within a specific herbicide trait, then you maybe need to go a different direction. There are still ways to manage weeds in all of the herbicide systems.  We may even need to look at a few waterhemp poking through late in the season, but we need to start with the highest yielding bean genetics with the best placement to position the grower for maximum profitability.

Over time, the agronomics will improve on all the newer herbicide traits but usually the first generation we have available is not as well-rounded as we would like.  We probably have all planted a soybean variety just because it is the “hot new herbicide trait” and then regretted it when they start to get diseased up or do not meet yield expectations.

Discuss the available options with your Cooperative Farmers Elevator agronomist to make sure we know the soybeans you are getting are the best fit for your acres.

The Environmental Protection Agency recently announced the re-registration of several in-season dicamba products, with important label updates that affect your options for managing Roundup Ready 2 Xtend® and XtendFlex® soybeans systems in 2021. 


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