Report No. 11:V127
Onion, yellow pungent: Allium cepa ‘Safrane’
Botrytis leaf blight; Stemphylium Leaf Blight : Botrytis squamosa; Stemphylium vesicarium

Efficacy of fungicide treatments for control of Botrytis leaf blight and Stemphylium leaf blight on onion, 2016.

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First Author: Christine Hoepting, Cornell Cooperative Extension Cornell Vegetable Program

Additional Authors:

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


Geographical location: New York, United States

Products Tested: Bravo WeatherStik; Dithane 75 DF; Endura; Fontelis; Inspire; Inspire Super; Luna Tranquility; Merivon; Quadris Top; Rovral; Scala; Switch 62.5WG; Tilt

Active chemical(s): Chlorothalonil; Mancozeb; Boscalid; Penthiopyrad; Difenoconazole; Cyprodinil + Difenoconazole; Fluopyram + Pyrimethanil; Fluxapyroxad + Pyraclostrobin; Azoxystrobin + Difenoconazole; Iprodione; Pyrimethanil; Cyprodinil + Fludioxonil; Propiconazole

Biological Control:

Biorational Product:

Manufacturer(s): Syngenta; Dow AgroSciences LLC; BASF Corporation; DuPont; Syngenta; Syngenta; Bayer CropScience; BASF Corporation; Syngenta; Dow AgroSciences LLC; Bayer CropScience; Syngenta; Syngenta

Publication date: August 4, 2017

The American Phytopathological Society