Report No. 10:V111
Watermelon: Citrullus lanatus 'Jade Star'
Gummy stem blight: Didymella bryoniae

Evaluation of fungicides for management of gummy stem blight on watermelon, fall 2015

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First Author: Gary Vallad, University of Florida Gulf Coast Research and Education Center

Additional Authors: B.S. Hughes; S.A. Kalb; H.M. Adkison; R.S. Willis

Section: Citrus, Tropical, Vegetable, and Misc. Crops


Geographical location: Florida, United States

Products Tested: Actigard; Actinovate; Aprovia Top; Bravo WeatherStik; Folicur; Inspire Super; Luna Experience; Mettle; Monsoon; Omega 500F; Oso; Switch; Topguard

Active chemical(s): Acibenzolar-S-methyl; Streptomyces lydicus WYEC 108; Difenoconazole + Benzovindiflupyr; Chlorothalonil; Tebuconazole; Cyprodinil + Difenoconazole; Fluopyram + Tebuconazole; Tetraconazole; Tetraconazole; Fluazinam; Polyoxin D zinc salt; Cyprodinil + Fludioxonil; Flutriafol

Biological Control:

Biorational Product:

Manufacturer(s): Syngenta; Novozymes Biologicals; Syngenta; Syngenta; Bayer CropScience; Syngenta; Bayer CropScience; Gowan Company; Loveland Industries; Syngenta; Certis; Syngenta; Cheminova

Publication date: September 5, 2016

The American Phytopathological Society