Report No. 5:V128
Squash: Cucurbita pepo'Gentry'
Powdery mildew: Sphaerotheca fuliginea

Evaluation of selected fungicides for the control of powdery mildew in summer squash, 2010

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First Author: Steve Rideout, Virginia Tech, Eastern Shore Agricultural Research and Extension Center

Additional Authors: C.M. Waldenmaier; S.K. Pollard, K.D. Fiedler

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


Geographical location: Virginia, United States

Products Tested: Luna Sensation; Rally; Luna Experience; GWN-4617; Pristine; Liberate; LI 6262; Inspire Super; Quadris Top; Procure; Cohere; Tolfenpyrad; Induce

Active chemical(s): Fluopyram + trifloxystrobin; Myclobutanil; Fluoxastrobin + tebuconazole; Experimental; Pyraclostrobin + boscalid; Lecithin, methyl esters of fatty acids, alcohol ethoxylate; Experimental; Difenoconazole + cyprodinil; Azoxystrobin + difenoconazole; Triflumizole; Alkyl anyl polyoxylkane Ether, free fatty acid, and water; Tolfenpyrad; Proprietary blend of Alkyl Aryl Polyoxylkane Ethers, Free fatty acids, and Dimothyl Polysiloxane

Biological Control: Regalia;Reynoutria sachalinensis;giant knotweed extract;Marrone Bio Innovations.

Biorational Product:

Manufacturer(s): Bayer CropScience; Dow AgroSciences LLC; Bayer CropScience; Gowan Company; BASF Corporation; Loveland Industries; Loveland Industries; Syngenta; Syngenta; Chemtura Corporation; Helena Chemical Company; Nichino America, Inc.; Helena Chemical Company

Publication date: March 28, 2011

The American Phytopathological Society