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More Soybean Farmers Rotating SCN Varieties


— 66% of growers said they were planting SCN-resistant soybean varieties, up from 59% in 2015.

Soybean growers also reported they perceive SCN reduces yield by 5.1 bushels per acre. However, Iowa State University data from 15 years of variety trial experiments in growers’ fields has revealed increased reproduction of SCN populations on PI 88788-resistant varieties can decrease yield by as much as 14 bushels per acre.

Do the math on those losses at today’s prices and the incentive to manage SCN quickly emerges. Based on the USDA’s May WASDE 2021 soybean price projection of $13.85 per bushel, a 5.1-bushel-per-acre yield loss represents leaving $70.64 per acre in the field.

The SCN Coalition includes university scientists from 28 U.S. states and Ontario, Canada, grower checkoff organizations including the North Central Soybean Research Program, United Soybean Board and several state soybean promotion boards, and corporate partners including BASF, Bayer, Growmark, Nufarm, Pioneer (Corteva), Syngenta, Valent and Winfield United.

Want to learn more about SCN management? The coalition has developed a website and video series called “Let’s Talk Todes” featuring scientists and soybean growers. Find it here: https://www.thescncoalition.com/….

Find more information on how SCN continues to move into new geographical regions here:

https://www.dtnpf.com/….

More about the decline of PI 88788 and new Bt traits that might help can be found here:

https://www.dtnpf.com/….

Learn how nematodes hitchhike into fields:

https://www.dtnpf.com/….

A look at southern nematode issues can be found:

https://www.dtnpf.com/….

Visit www.TheSCNCoalition.com to learn more about actively managing SCN and to get recommendations specific to your state provided by university and Extension experts.

Pamela Smith can be reached at pamela.smith@dtn.com

Follow her on Twitter @PamSmithDTN



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