On-farm trial assessed fungicide efficacy for white mold in soybeans, suggesting management strategies for growers.
White mold (WM), caused by Sclerotinia sclerotiorum, causes yield loss and grain contamination in soybean ( Glycine max [L.] Merr.) in Pennsylvania each year. S. sclerotiorum infects soybean flowers when conducive conditions are present, such as cool, moist weather and a dense soybean canopy. WM signs include black sclerotia in the stem and pods and white mycelia on the stem. Other symptoms include leaf wilting, water-soaked lesions, and plant death. This fungicide efficacy trial tests single application and two-pass treatments for preventing white mold in soybean ‘P30A93’ at an on-farm location in Lebanon, PA. Results from this trial will provide growers with recommendations for management strategies to reduce yield loss due to WM.
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McFeaters et al. (2025) studied this question.
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