Category Archives: Diseases

Glyphosate-Resistant Johnsongrass can Foster an Old Corn Disease

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Stunted corn near Johnsongrass

Two old and now “new” again corn viral diseases Maize Dwarf Mosaic (MDM) and Maize Chlorotic Dwarf (MCDV) have been causing severe stunting of corn in a few fields in southwest Tennessee. With the slowly increasing spread of glyphosate-resistant (GR) Johnsongrass it was only a matter of time before these two diseases would once again become an issue in corn. Continue reading


Early season tobacco tips

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Authored by Mitchell Richmond and Zachariah HansenNow that everyone is washing their tobacco setters [transplanters] to be garaged until next year, it is a great time to think about some of the crop management decisions for the upcoming field season.  These decisions may include solutions for pest control in your tobacco crop. Continue reading


Wheat Disease Update – Stripe Rust, Bacterial Leaf Streak, and Head Scab Risk

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To date there have been additional reports of stripe rust in West TN and some fields with bacterial leaf streak. As wheat starts to bloom, continue to monitor the Fusarium Head Blight(FHB)/Head Scab model to assess if fungicide application is needed. Continue reading


Wheat Disease Update and Fungicide Considerations

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As wheat approaches bloom, start considering fungicide options. While up until today little to no disease had been reported in Tennessee this season, stripe rust has just been sighted in West TN. So scouting should be continued and the Fusarium Head Blight (Scab) Prediction model should be consulted when considering fungicide applications. Continue reading