UW/UWEX Plant Disease Diagnostic Clinic (PDDC) Update May 18

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 May 12, 2018 through May 18, 2018. … Continue reading

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Wisconsin Pest Bulletin 5/18/2018

Krista Hamilton, Entomologist — Bureau of Plant Industry/Division of Agricultural Resource Management, Wisconsin Department of Agriculture, Trade and Consumer Protection Volume 63 Issue No. 3 of the Wisconsin Pest Bulletin is now available at: http://datcpservices.wisconsin.gov/pb/index.jsp I N S I D … Continue reading

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Wisconsin Crop Manager Newsletter for May 17

This is the 7th issue of the 25th volume of the Wisconsin Crop Manager and is now available. Click on the link below to view this issue.

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Strategies for Late Termination of Cereal Rye Cover Crop

Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) andDan Smith (UW NPM Southwest Wisconsin Regional Specialist) Fall-planted cereal rye is increasingly used as a cover crop to protect the soil during winter and spring in corn and soybean cropping systems across the … Continue reading

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Alfalfa Weevil

Bryan Jensen, Department of Entomology and IPM Program “Better late than never” may not apply to this situation. Accumulated degree days suggests that now is the time to start scouting for alfalfa weevil damage in the southern areas of Wisconsin. … Continue reading

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Seedcorn Maggot

Bryan Jensen, Department of Entomology and IPM Program The adult flight of seedcorn maggot has recently peaked in southern Wisconsin while the central and northern areas are now peaking. Keep this time period marked in the back of your mind … Continue reading

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True Armyworm

Bryan Jensen, Department of Entomology and IPM Program The True Armyworm state of affairs is similar in many respects to the 2018 black cutworm situation. A migratory insect, a range of planting dates & crop development and especially a patchwork … Continue reading

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New smartphone app: Sporecaster, The Soybean White Mold Forecaster

Damon Smith, Field Crops Extension Pathologist, University of Wisconsin-Madison, Roger Schmidt, Nutrient and Pest Management Program, University of Wisconsin-Madison, Shawn Conley, Soybean Extension Agronomist, University of Wisconsin-Madison Sporecaster is a new smartphone application designed to help farmers predict the need for a … Continue reading

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Black Cutworm

Bryan Jensen, Department of Entomology and IPM Program Unusual spring. Agree? Corn development is everywhere from early emergence to fields that haven’t been planted. Couple that with a migratory insect and we have an approaching black cutworm season that is … Continue reading

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Despite the Weather 2018 Weed Emergence Only One Week Behind

Mark Renz Extension Weed Scientist, Agronomy Department, University of Wisconsin-Madison Knowledge of weed emergence is important as it can help in the selection and optimization of early season weed control. While typically weed emergence is consistent from year to year, … Continue reading

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