Report No. 11:V005
Lettuce: Lactuca sativa 'Eblin'
Downy mildew: Bremia lactucae

Comparison of fungicides to manage downy mildew of lettuce, 2016

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First Author: Michael Matheron, University of Arizona

Additional Authors: M. Porchas

Section: Citrus, Tropical, Vegetables, and Miscellaneous Crops


Geographical location: Arizona, United States

Products Tested: A20941; Actigard; Dithane; Forum; Kinetic; K-Phite; Manzate; Presidio; ProPhyt; Quadris; Revus; Ridomil Gold SL; Timorex Gold; Zampro

Active chemical(s): Acibenzolar-S-methyl; Mancozeb; Dimethomorph; Mancozeb; Fluopicolide; ; Azoxystrobin; Mandipropamid; Mefenoxam; Tea tree extract; Ametoctradin + Dimethomorph

Biological Control:

Biorational Product:

Manufacturer(s): Syngenta; Syngenta; Dow AgroSciences LLC; BASF Corporation; Helena Chemical Company; Plant Food Systems; Valent USA Corporation; Helena Chemical Company; Syngenta; Syngenta; Syngenta; Stockton Group; BASF Corporation

Publication date: March 7, 2017

The American Phytopathological Society