SDSU Extension Plant Pathology

SDSU Extension Plant Pathology This page provides disease updates and management recommendations from SDSU Extension. Visit http://

SDSU Extension Plant Pathology staff provide producers with timely updates, symptoms and management recommendations. South Dakota State University, South Dakota counties, and USDA cooperating. South Dakota State University adheres to AA/EEO guidelines in offering educational programs and services.

Do you know the number one soybean production constrain in the U.S.?
10/10/2020

Do you know the number one soybean production constrain in the U.S.?

Soybean Cyst Nematodes can have serious impacts on soybean yield. This small organism can cause up to 30% yield loss. Dr. Emmanuel Byamukama, SDSU Extension ...

Crown rust building up in oats. Use resistant varieties like Deon, Worrior to control the rust. Fungicides applied at fl...
07/06/2020

Crown rust building up in oats. Use resistant varieties like Deon, Worrior to control the rust. Fungicides applied at flag leaf are also effective.

Test your soil and know your SCN numbers! This is a FREE service to SD producers sponsored by
07/24/2018

Test your soil and know your SCN numbers! This is a FREE service to SD producers sponsored by

“Both these fields are SCN infested. The lush green field (left) is already losing 5+ bpa to SCN. By the time damage becomes obvious, as in the aerial photo on the right from Central Iowa, growers see yield losses of 50% or more. https://t.co/imGjtj6QRF”

Finding some in Brookings as well.
07/10/2018

Finding some in Brookings as well.

“Goss’s wilt starting to show up at Huron ”

What a loss!
06/28/2018

What a loss!

“Western Sully Co S.D. Shoulder high yesterday.”

It was great seeing producers interested in wheat diseases and their management. Winter wheat diseases developing at thi...
06/22/2018

It was great seeing producers interested in wheat diseases and their management. Winter wheat diseases developing at this time will have minimal impact on yield

“Nice crowd at the Wheat Works plot tour at our farm in Ideal. ”

Moisture stress can make these to worse!
06/22/2018

Moisture stress can make these to worse!

“Got a good reminder today that root rots even happen in a dryer season. Suspecting fusarium but time will tell if the characteristic white heads show up in a couple weeks.”

It was great seeing nice turn out. Not so much for wheat diseases to talk about at this time. Just root and crown rots s...
06/07/2018

It was great seeing nice turn out. Not so much for wheat diseases to talk about at this time. Just root and crown rots showing up in a few fields due to moisture stress

“Thanks to Charlie and Chet Edinger for hosting an extremely well attended Wheat Walk this evening at their farm headquarters near Mount Vernon (Davison County) SD.”

02/27/2018

SCN found in 30 counties in South Dakota! Send in your soil for SCN testing for free this spring, courtesy of

“SCN now impacts 70-80% of U.S. soybean-growing counties. 34 new SCN-infested counties were identified from 2014-17. https://t.co/XOWOsEsiLC”

Moisture was a big factor in getting low yields west river!
01/20/2018

Moisture was a big factor in getting low yields west river!

“USDA's yield averages per county for the 2017 winter wheat crops ”

12/07/2017

A lot of questions on white mold of soybeans at the conference. We had just the perfect weather for the white mold https://t.co/RmB4Kvz03U

“A lot of questions on white mold of soybeans at the conference. We had just the perfect weather for the white mold”

12/06/2017

This winter wheat looking good in central South Dakota. Hoping for a better wheat crop 2018. https://t.co/bq4sTdJkmQ

“This winter wheat looking good in central South Dakota. Hoping for a better wheat crop 2018.”

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Brookings, SD
57007

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