Integrated Management of Tomato Spotted Wilt, Leaf Spot, Rust, White Mold and CBR in Peanut


Board of Regents of the University System of Georgia on behalf of the University of Georgia Cooperative Extension Service and University of Georgia Research Foundation, Inc.

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Southeast (GA, FL, AL)

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Leaf spot diseases were especially severe in some fields in 2016. The new cultivar "Georgia-13M" is extremely susceptible to late leaf spot. Numerous fungicides, including all of the strobilurin fungicides (such as Abound or Headline) we've tested and all but one of the sterol inhibitor fungicides (such as tebuconazole or Alto) are much less effective than they were a few years back. Mixtures of these fungicides with fungicides with other modes of action, however, can still provide adequate leaf spot control. New cultivars have field resistance to Tomato spotted wilt that is better than that of Georgia-06O. Phorate (Thimet) remains the only insecticide available that helps suppress spotted wilt. In-furrow applications of Velum Total had no effect on incidence of spotted wilt but provided substantial early season control of leaf spot. 

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