All posts by Heather Marie Kelly, Extension Plant Pathologist

Wheat Disease Update – Know Your Risk for Scab

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Most wheat in Tennessee is in the flowering period, the highest period for susceptibility to scab/FHB infection. There are multiple factors that can contribute to a field’s Scab/FHB risk.

Image 1. Wheat in bloom. When ~50% heads have blooms that just began is optimal fungicide timing for head scab management.

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Wheat Disease Update and Fungicide Options

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As wheat is approaching flag leaf stage in Tennessee, start scouting if you haven’t already for disease. Depending on variety susceptibility you may already see powdery mildew and/or wheat blotch (Septoria and/or Stagonospora blotch); but if no disease present start considering Fusarium Head Blight management. Continue reading


Reminder: Soybean Disease Field Day Sept. 12th

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Wondering what’s been making your soybeans sickly? Come to The University of Tennessee Soybean Disease Field Day, held Tuesday, Sept. 12th, at the Milan Research and Education Center. Registration will be from 8:30-9:00 AM with the tour beginning at 9 AM and concluding with a box lunch.  Preregistration is not required. Pesticide re-certification and CCA points will be available. Continue reading


Foliar fungicide use in cotton when August turns wet

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August has turned wet, and while I generally like rain through July and August, we could now tolerate a few dry, clear days.  Much of our canopy has remained wet over the past week, and as you might expect, the leaf spot complex has appeared in some of our earliest planted cotton. Subsequently, foliar fungicide use in cotton has been the topic of conversation for August. Fortunately, most of our research on fungicide use in cotton is pretty straight-forward.  In this blog, I share a few thoughts concerning foliar fungicide use in cotton and link to a few of Dr. Heather Kelly’s deliverables from the past few years. Continue reading