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Watermelon: Citrullus lanatus 'Royal Star'
Gummy stem blight: Didymella bryoniae

Evaluation of fungicide programs with chlorothalonil for control of gummy stem blight on watermelon

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First Author: Anthony Keinath, Clemson University's Coastal Research and Education Center

Additional Authors: V.B. DuBose, G.V. Baccari

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


Geographical location: South Carolina, United States

Products Tested: Bravo WeatherStik; Pristine; LEM 17; Induce; Catamaran; Tebuzol; Topsin 4.5FL; Penncozeb; Inspire Super; Switch; Quash; ProPhyt; Folicur; Endura

Active chemical(s): Chlorothalonil; Pyraclostrobin + boscalid; Penthiopyrad; alkyl aryl polyoxylkane ethers and free fatty acids; Chlorothalonil + potassium phosphite; Tebuconazole; Thiophanate-methyl; Mancozeb; Difenoconazole + cyprodinil; Cyprodinil + fludioxonil; Metaconazole; Potassium phosphite; Tebuconazole; Boscalid

Biological Control:

Biorational Product:

Manufacturer(s): Syngenta; BASF Corporation; DuPont; Helena Chemical Company; Luxembourg - PAMOL Industries Inc.; United Phosphorus, Inc.; United Phosphorus, Inc.; United Phosphorus, Inc.; Syngenta; Syngenta; Valent USA; Helena Chemical Company; Bayer CropScience; BASF Corporation

Publication date: March 26, 2010

The American Phytopathological Society