Report No. 11:V077
Squash: Cucurbita maxima 'Autumn Delight F1'
Powdery mildew: Podosphaera xanthii

Bioassay for sensitivity of Podosphaera xanthii to fungicides in Ohio, 2016

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First Author: S.A. Miller, The Ohio State University

Additional Authors: C.M. Vrisman, J.R. Mera

Section: Citrus, Tropical, Vegetables, and Miscellaneous Crops


Geographical location: Ohio, United States

Products Tested: Bravo WeatherStik 6SC; Fontelis 1.67SC; Inspire Super EW; Merivon Xemium 2.09SC; Pristine WG; Procure 480SC; Quintec 2.08SC; Rally 40WSP; Torino 0.85SC; Actinovate

Active chemical(s): Chlorothalonil; Penthiopyrad; Difenoconazole + Cyprodinil; Fluxapyroxad + Pyraclostrobin; Pyraclostrobin + Boscalid; Triflumizole; Quinoxyfen; Myclobutanil; Cyflufenamid; Streptomyces lydicus WYEC 108

Biological Control:

Biorational Product:

Manufacturer(s): Syngenta; DuPont; Syngenta; BASF Corporation; BASF Corporation; Chemtura Corporation; Dow AgroSciences LLC; Dow AgroSciences LLC; Gowan Company; Natural Industries, Inc.

Publication date: March 7, 2017

The American Phytopathological Society