Category Archives: Plant Disease

Two New Videos Posted on Corn Diseases In Wisconsin

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison Gibberella ear rot on corn. The 2018 corn growing season has been met with numerous disease challenges this season. From typical foliar disease issues like gray leaf spot and northern … Continue reading

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What to Expect from Stalk Rot and Mycotoxins in Severely Diseased and Damaged Corn

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison To view this blog post from its original website, click here. Corn is looking pretty rugged in many areas of the Wisconsin corn belt. Areas in southern, southwestern, and south-central … Continue reading

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UW/UWEX Plant Disease Diagnostic Clinic (PDDC) Update August 31

Brian Hudelson, Sue Lueloff, John Lake and Ann Joy 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 25, 2018 through August 31, 2018. … Continue reading

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Tar Spot on Corn in Wisconsin

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison Tar spot is no longer a cosmetic leaf disease in Wisconsin and Illinois. We have seen epic levels this season, resulting in severe damage in some fields and early dry-down … Continue reading

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Wisconsin Pest Bulletin, August 23

Krista Hamilton, Entomologist, Bureau of Plant Industry Division of Agricultural Resource Management, Wisconsin Department of Agriculture, Trade and Consumer Protection Volume 63 Issue No. 16 of the Wisconsin Pest Bulletin is now available at: PRINT THIS ISSUE LOOKING AHEAD:  Large corn earworm flights … Continue reading

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UW/UWEX Plant Disease Diagnostic Clinic (PDDC) Update August 17

Brian Hudelson, Sue Lueloff, John Lake and Ann Joy 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 August11, 2018 through August 17, 2018. The … Continue reading

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Late Season Corn Foliar Disease Update and Hail-Damaged Corn

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison To view this article on their website, click here. Scouting by my team and phone calls from extension personnel, consultants, and farmers have made it evident that there are several … Continue reading

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UW/UWEX Plant Disease Diagnostic Clinic (PDDC) Update August 10

Brian Hudelson, Sue Lueloff, John Lake and Ann Joy 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 4, 2018 through August 10, 2018. … Continue reading

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UW/UWEX Plant Disease Diagnostic Clinic (PDDC) Update August 3

Brian Hudelson, Sue Lueloff, John Lake and Ann Joy 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 28, 2018 through August 3, 2018. … Continue reading

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Wisconsin White Mold Risk Maps – July 29, 2018

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison **These maps are for guidance only and should be used with other sources of information and professional advice when determining risk of white mold development. For field-specific predictions, we encourage … Continue reading

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