In August of 2022, cotton (Gossypium hirsutum L.) growing in several north central Mississippi counties was observed to exhibit yellowish lesions on the adaxial leaf surface with white powdery fungal growth on the corresponding abaxial surface. By the end of the 2022 growing season, 19 Mississippi counties were observed to have infected cotton.
View Article and Find Full Text PDFTarget spot, caused by , is a common lower canopy soybean disease in the southern United States. Recently, target spot has resurged in importance especially following the identification of resistance to the quinone outside inhibitor (QoI) fungicides. As a result, a survey of from soybean throughout Mississippi began in 2018.
View Article and Find Full Text PDFQuinone outside inhibitor (QoI) fungicides have been widely used to manage diseases of soybean including target spot caused by . However, resistance to QoI fungicides has recently been reported within the population from Alabama, Arkansas, Mississippi, and Tennessee as a result of isolates in the population containing the G143A amino acid substitution. Therefore, the relative fitness and stability of isolates containing the G143A substitution compared with wild-type isolates from Mississippi soybean were investigated by analyzing several fitness parameters in vitro.
View Article and Find Full Text PDFIn September 2021, diseased soybean [ (L.) Merr.] plants were observed in a commercial field in Lamar County, Mississippi (MS).
View Article and Find Full Text PDFTaproot decline (TRD) is a disease of soybean that has been reported recently from the southern United States (U.S.).
View Article and Find Full Text PDFThe draft genome of sp. isolate MSU_SB201401, causal agent of taproot decline of soybean in the southern U.S.
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