I suspect we will start to see lots of Phytophthora showing up in North Dakota this year with all the rainfall we’ve been getting. Keep your eyes peeled!

Brown stem rot is very often misidentified as SDS! Make sure to split the stems and if you suspect it is something else send samples to NDSUPlantPathology diagnostic lab

Check out the 2024 Fungicide Efficacy for Control of Soybean Foliar Diseases from Extension at doi.org/10.31274/cpn-2… Kiersten Wise Tom Allen Martin Chilvers Daren Mueller Ed Sikora Darcy Telenko Maíra Duffeck 🌾🍄🦠🔎🔬💻📊👩‍🔬👩🏼‍💻 Damon L. Smith Dylan Mangel Travis Faske Trey Price @w_webster74 +others

Watch Stopping a Soybean Killer: A Systems Biology Approach from Extension at youtu.be/wqWJ8SgZOgg Alison Robertson Asela Wijeratne Brett Hale ISU Extension and Outreach UA System Div of Ag #agtwitter #soybean IowaSoybeans Arkansas Row Crops Arkansas Soybean Soybean Diseases Martin Chilvers Darcy Telenko Ed Sikora Daren Mueller

"Phytophthora root and stem rot...is a globally important [soybean] disease and has caused...yield losses of up to 100%..." From the article doi.org/10.31274/cpn-2… by Dylan Mangel Austin McCoy Wade Webster Alison Robertson Martin Chilvers Albert Tenuta Daren Mueller Kiersten Wise +more

Lots of great info for North Dakota soybean farmers. Have to keep SCN on the brain!

Check out the 2024 soybean FUNGICIDE GUIDE from Extension at doi.org/10.31274/cpn-2…. Kiersten Wise Tom Allen Mandy Bish Maíra Duffeck 🌾🍄🦠🔎🔬💻📊👩‍🔬👩🏼‍💻 Martin Chilvers Travis Faske Dylan Mangel Trey Price Alison Robertson Maddi Shires Ed Sikora Damon L. Smith Darcy Telenko Wade Webster +others

Two of my graduate students gave their first Extension field day talks today and knocked it out of the park👊🏼 Lots of great research on Oomycete pathogens and biocontrol coming ahead. One proud advisor!

Frogeye Leaf Spot detected in Southern North Dakota! Incidence is currently pocketed, but this disease is on the rise in the area. Not an economical threat at this time, but keep an eye out in your area.

Kyle Stull Clint Weyhrich Kyle Stull is correct. Those are not apothecia of the white mold fungus in those pictures

I’ve been scouting fields the past few days and seeing many cases of active SCN in Eastern North Dakota. Lots of new cysts (yellow lemon shaped structures) and mature cysts (brown lemons). Now’s a great time to dig roots and see if SCN is impacting your crops. The SCN Coalition

SCN is expanding into ND in #soybean fields, and soil sampling is the most reliable way to determine SCN presence. Soil-sampling bags are available for #soybean producers through NDSU Extension, and NDSC will cover the laboratory cost. 🌱 Learn more: bit.ly/SCNSamplingND

“Pod and stem blight often damages maturing plants and can result in premature death. Diaporthe seed decay can greatly affect seed quality.” From the article doi.org/10.31274/cpn-2… by Daren Mueller Carl Bradley Martin Chilvers Febina Mathew Damon L. Smith Albert Tenuta Kiersten Wise

Revenge fungicide applications never work. Below is some data where we tried rescue treatments of fungicide for white mold management. You can't get diseases under control once they are already moving, especially white mold. Plus negative ROI! Shawn Conley

Dr. Wade Webster will talk about soybean root and stem disease management.

Was a great conversation on some developing soybean diseases that a lot of farmers are having to deal with now!

Last field day of the year and a great chance for another of my graduate students to present all the work she’s been doing on validating white mold apothecial models in North Dakota

Scouting for Gibberella ear & stalk rot & testing for DON in silage corn is important even if ear symptoms are not present as DON may still accumulate in stalks. Read more at doi.org/10.31274/cpn-2… From Wade Webster Maxwell Chibuogwu 🥻🧥 Albert Tenuta Martin Chilvers Kiersten Wise

Great work with predicting Frogeye!

Look for the first “are you smarter than a nematode” quiz and sweepstakes on Sept. 9, with the answer announced each Friday. Three $500 winners will be announced on National #NematodeDay – Oct. 1. Visit: bit.ly/3ZR6Uvf