Report No. 8:V193
Squash, zucchini: Cucurbita pepo ‘Spineless Beauty’
Powdery mildew: Podosphaera xanthii

Efficacy of copper fungicides for managing powdery mildew in zucchini, 2013

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First Author: M. T. McGrath, Cornell University

Additional Authors: K. A. LaMarsh

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


Geographical location: New York, United States

Products Tested: Basic Copper 53; Cuprofix Ultra 40 Disperss; Champ Formula 2; Badge X2; Cueva; Nu-Cop HB; Nordox 75

Active chemical(s): Basic copper sulfate; Basic copper sulfate; Copper hydroxide; Copper hydroxide + Copper oxychloride; Copper octanoate; Cupric hydroxide; Cuprous oxide

Biological Control:  

Biorational Product:  

Manufacturer(s): Albaugh, Inc.; United Phosphorus, Inc.; Nufarm Americas Inc.; Isagro-USA; Certis; Albaugh, Inc.; Brandt Consolidated  

Publication date: March 29, 2014

© The American Phytopathological Society