Category Archives: Plant Disease

UW-Extension/Madison Plant Disease Diagnostic Clinic (PDDC) Update

Brian Hudelson, Ann Joy, Joyce Wu, Tom Hinsenkamp, and Catherine Wendt, Plant Disease Diagnostics Clinic The PDDC receives samples of many plant and soil samples from around the state. The following diseases/disorders have been identified at the PDDC from August … Continue reading

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Alfalfa Mosaic Virus on Soybean in Wisconsin

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Calls, photos, and plant samples have been coming in over the last week (8/1/2014) pertaining to soybeans exhibiting abnormal growth and varying degrees of leaf mosaic (interwoven … Continue reading

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UW-Extension/Madison Plant Disease Diagnostic Clinic (PDDC) Update

Brian Hudelson, Ann Joy, Joyce Wu, Tom Hinsenkamp, and Catherine Wendt, Plant Disease Diagnostics Clinic The PDDC receives samples of many plant and soil samples from around the state. The following diseases/disorders have been identified at the PDDC from July … Continue reading

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Wisconsin Soybean Phytophthora Root Rot Survey Update

Damon Smith, Extension Field Crops Plant Pathologist Anette Phibbs, Plant Pathologist with the Wisconsin Department of Agriculture and Consumer Protection, reports that the 2014 survey of early vegetative soybeans shows high levels of Phytophthora root rot disease caused by Phytophthora … Continue reading

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UW-Extension/Madison Plant Disease Diagnostic Clinic (PDDC) Update

Brian Hudelson, Ann Joy, Joyce Wu, Tom Hinsenkamp, and Catherine Wendt, Plant Disease Diagnostics Clinic The PDDC receives samples of many plant and soil samples from around the state. The following diseases/disorders have been identified at the PDDC from July … Continue reading

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Cercospora Leaf Blight and Purple Seed Stain of Soybean

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin Over the last several weeks, soybean samples have been coming into the Plant Disease Diagnostic Lab with symptoms of Cercospora leaf blight (CLB).  I have also received numerous questions about … Continue reading

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UW-Extension/Madison Plant Disease Diagnostic Clinic (PDDC) Update

Brian Hudelson, Ann Joy, Joyce Wu, Tom Hinsenkamp, and Catherine Wendt, Plant Disease Diagnostics Clinic The PDDC receives samples of many plant and soil samples from around the state.  The following diseases/disorders have been identified at the PDDC from July … Continue reading

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Tasseling Corn – Scout Now for Foliar Diseases and What About Fungicide

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin I have been riding through much of the southern tier of Wisconsin this week and am noticing quite a few corn fields that are beginning to tassel. This growth stage … Continue reading

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Fusarium Head Blight and Other Winter Wheat Diseases in Wisconsin, 2014

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison Shawn P. Conley, Extension Soybean and Small Grains Agronomist, University of Wisconsin-Madison Winter wheat in most of Wisconsin is maturing nicely and starting to dry down in the southern portions … Continue reading

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UW-Extension/Madison Plant Disease Diagnostic Clinic (PDDC) Update

Brian Hudelson, Ann Joy, Joyce Wu, Tom Hinsenkamp, and Catherine Wendt, Plant Disease Diagnostics Clinic The PDDC receives samples of many plant and soil samples from around the state.  The following diseases/disorders have been identified at the PDDC from July … Continue reading

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