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Pumpkin: Cucurbita pepo 'Magician' 'Howden'
Powdery Mildew: Podosphaera xanthii

Evaluating ‘practical’ fungicide resistance of cucurbit powdery mildew on pumpkin in OH, 2009.

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First Author: J. R. Jasinski, Ohio State University Extension

Additional Authors: L. H. Rhodes, S. A. Miller, R. M. Riedel, R. P. Precheur, R. Pack

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

Keyword(s): fungicide insensitivity; DMI, Strobiluron, practical resistance

Geographical location: Ohio, United States

Products Tested: Quintec; Procure; Nova; Microthiol Disperss; Pristine; Endura; Quadris; Flint; Cabrio; Bravo WeatherStik; Topsin M 70WP

Active chemical(s): Quinoxyfen; Triflumizole; Myclobutanil; Copper sulfate; Pyraclostrobin + boscalid;  ;  ; Trifloxystrobin; Pyraclostrobin; Chlorothalonil; Thiophanate-methyl

Biological Control:  

Biorational Product:  

Manufacturer(s): Dow AgroSciences LLC; Chemtura Corporation; Dow AgroSciences LLC; Cerexagri, Inc; BASF Corporation; BASF Corporation; Syngenta; Bayer CropScience; BASF Corporation; Syngenta; United Phosphorus, Inc.  

Publication date: March 26, 2010

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