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Poinsettia: Euphorbia pulcherrima 'Freedom Red'
Phytophthora root rot: Phytophthora dreschleri

Evaluation of registered and nonregistered fungicides in managing Phytophthora root rot of poinsettia, 2007.

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First Author: M.K. Hausbeck, Michigan State Universtiy.

Additional Authors: B.R. Harlan

Section: Ornamentals and Trees


Geographical location: Michigan, United States

Products Tested: Adorn; Alude; Cyazofamid; Fenstop; Heritage; Insignia; Stature DM; Subdue MAXX; Terrazole

Active chemical(s): Fluopicolide; Phosphorous acid; Cyazofamid; Fenamidone; Azoxystrobin; Pyraclostrobin; Dimethomorph; Mefenoxam; Etridiazole

Biological Control: ZeroTol

Biorational Product:

Manufacturer(s): Valent BioScience Corporation; Cleary Chemical Corporation; ISK Biosciences Corporation; Olympic Horticultural Products; Syngenta; BASF Corporation; BASF Corporation; Syngenta; Olympic Horticultural Products.

Publication date: March 30, 2009

The American Phytopathological Society