Mississippi Corn: Diseases Picking Up, No Major Concerns Yet

🕔Jun 19, 2019The disease situation in the MS corn production system has picked up over the past couple of weeks. ost of the diseases observed at present are not problematic and do […]

Minnesota Corn, Soybeans: How Were Diseases in 2018?

🕔Nov 5, 2018This article is a recap of some of the most common and problematic diseases of soybean and corn in Minnesota in 2018. Looking back at diseases that affected crop growth […]

Indiana Corn: Physoderma Brown Spot – Video

🕔Aug 10, 2018Physoderma brown spot is caused by Physoderma maydis, the only class of fungi that produce zoospores, spores that have a tail (flagellum), and swim free in water. P. maydis can […]

Illinois Corn: Physoderma Brown Spot and Node Rot

🕔Aug 10, 2018Those of you who follow me on twitter (@ILplantdoc) likely noticed numerous photos that I posted earlier in the season of Physoderma brown spot and node rot (PBS) on corn.  […]

Iowa Corn: Conditions Ripe for Physoderma Brown Spot, Node Rot, Gray Leaf Spot

🕔Jul 2, 2018With most corn in Iowa at the V7-V12 range, it’s important to be aware of potential corn diseases at this particular time. Given the wet growing conditions over the last month, […]

Mississippi Corn: Disease Situation Heating Up

🕔Jun 27, 2018A little longer post than I would like, but things appear to be heating up in the presence of foliar corn diseases in our production system over the past 10 […]

Kentucky Corn: I.D. Your Foliar Disease Before Applying a Fungicide

🕔Jun 20, 2018Farmers are annually concerned about corn disease, and this year will be no exception. Corn is moving through growth stages quickly, and the warm, humid weather in many parts of […]

South Carolina: Pee Dee Corn Needs Rain, New Disease Showing Up

🕔Jul 14, 2017This has been a warm and dry week and our corn is really showing it right now.  Most dryland fields are rolling up like in the photo below.  There is […]

Indiana Corn: Problems in Ponded Fields

🕔May 18, 2017Heavy rain and ponding in Indiana cornfields this spring have increased the prevalence of seedling blights. Two minor diseases, crazy top and Physoderma brown spot, may also be problematic in […]

Nebraska Corn: Stalk and Crown Rot Diseases Developing

🕔Sep 14, 2015Figure 1a. Early death or discoloration of plants or upper leaves can be a symptom of stalk or crown rot diseases. Push, pinch, or split symptomatic plants down through the […]

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