Plant Pathology Update – White Mold Disease

Dr. Tim Brenneman is a research plant pathologist at the University of Georgia Tifton Campus. For the 2016 growing season, Brenneman said disease pressure has been relatively “light” until recently. In August, the presence of white mold, a soil-borne disease, erupted in peanut fields across the state. White mold is one of the primary diseases Brenneman works with in his research program. He said he and his team are looking at different cultivars – both those that are resistant and susceptible to the disease – and searching for best practices for managing white mold amongst them. He and his team are looking at new fungicide products on the market, as well as how to get the best activity out of current fungicide products. One method he and his team are looking at is chemigation. This process involves applying the chemical through the irrigation water. It allows the fungicide to seep down into the soil and combat the disease right where it begins. Brenneman is also looking at a new sprayer this year that will open the peanut canopy by spreading the vines back and allow the chemical to reach the soil better. This method is one he hopes will be especially beneficial for dryland peanut growers since that is where he sees most problems with white mold – in fields where farmers are unable to irrigate their peanuts.

View the 2016 Georgia Peanut Tour Photo Album

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