Report No. 8:OT019
Impatiens, bedding: Impatiens walleriana 'Accent Premium White'
Downy mildew: Plasmopara obducens

Evaluation of greenhouse fungicide application for the control of downy mildew of impatiens, 2013.

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First Author: B.R. Harlan, Michigan State University

Additional Authors: M.K. Hausbeck

Section: Ornamentals and Trees


Geographical location: Michigan, United States

Products Tested: Adorn; Subdue MAXX; Protect DF; ZeroTol 2.0; OxiPhos; Alude

Active chemical(s): Fluopicolide; Mefenoxam; Mancozeb; Hydrogen dioxide + Peroxyacetic Acid; Phosphorous acid; Phosphorous acid

Biological Control: 1. Alude, phosphorous acid, NuFarm. 2. OxiPhos, phosphorous acid, Biosafe. 3. ZeroTol, hydrogen dioxide, Biosafe

Biorational Product:

Manufacturer(s): Valent USA Corporation; Syngenta; Nufarm Americas Inc.; Biosafe Systems; Biosafe Systems; Nufarm Americas Inc.

Publication date: August 12, 2014

The American Phytopathological Society