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Crabapple: Malus 'Spring Snow'
Stem rot: Phytophthora syringae

Efficacy of registered and unregistered fungicides for control of stem rot on crabapple, 2008.

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First Author: Niklaus Grunwald, USDA ARS

Additional Authors: K. Rolfe

Section: Ornamentals and Trees

Keyword(s): oomycete; stem canker;

Geographical location: United States

Products Tested: NOA 446510; Disarm 480SC; Segway; V-10161; Fenstar; Stature DM; Captan; Subdue MAXX; Aliette

Active chemical(s): Mandipropamid; Fluoxastrobin; Cyazofamid; Unknown; Fenamidone; Dimethomorph; Captan; Mefenoxam; Fosetyl-aluminum

Biological Control:

Biorational Product:

Manufacturer(s): Syngenta; Olympic Horticultural Products; ISK Biosciences Corporation; Valent USA; Bayer CropScience; BASF Corporation; Arysta; Syngenta; Bayer CropScience

Publication date: March 26, 2010

The American Phytopathological Society