Aphanomyces Races in Alfalfa by Nick Schneider, Craig Grau, Brian Hudelson, and Amy Gibbs Introduction Aphanomyces root rot (Aphanomyces euteiches) has been identified as a significant alfalfa disease for over 20 years now. Alfalfa is known to be susceptible to numerous root diseases including Bacterial wilt, Fusarium wilt, Phytophthora root rot, Pythium, Verticillium wilt, and Aphanomyces. In Wisconsin, […]
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Disease Profile: Damping Off and Root Rot Caused by Phytophthora and Pythium by Carl Groves and Damon Smith Pythiums are probably the most common cause of seedling blight and seed rot in alfalfa, destroying seeds before germination or killing seedlings after emergence. Phytophthora medicaginis can affect alfalfa plants at all stages of development and is probably the most […]
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Scouting for Leafhoppers Weekly Scouting – 20 sweeps at 5 locations in each alfalfa field. Because leafhopper population densities vary from year to year and from field to field, the only way to accurately determine damage potential is by monitoring fields on a weekly schedule. Start scouting 5-7 days after first cut. Use a standard […]
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Common Poisonous Plants of Concern for Wisconsin’s Livestock by Anders Gurda and Mark Renz Research Assistant and Extension Weed Scientist, University of Wisconsin-Madison While most plants are safe for consumption by livestock, a few plant species can sicken or even kill animals. This publication overviews what poisonous plants are and under what conditions they can be toxic to […]
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Dan Undersander, Damon Smith, Bryan Jensen
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Stamina Seed Treatment for Aphanomyces Root Rot Control On Alfalfa has been posted to the Alfalfa page under Pest Management/Diseases.
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