Report No. 6:OT002
Poinsettia: Euphorbia pulcherrima 'Angelica White'
Pythium root rot: Pythium aphanidermatum

Efficacy of registered and unregistered fungicides for control of Pythium aphanidermatum on Poinsettia, 2011.

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First Author: K.C. Parker, NCSU

Additional Authors: D.M. Benson

Section: Ornamentals and Trees


Geographical location: North Carolina, United States

Products Tested: Adorn; CG 100; Disarm 480SC; Pageant 38WG; BW240; Fenstop; Heritage; Vital; A13839B; BSEF-11; Subdue MAXX; Adorn and Subdue MAXX; Terrazole L; BW240 and Vital

Active chemical(s): Fluopicolide; Caprylic acid; Fluoxastrobin; Pyraclostrobin; Trichoderma harzianum Rifai; Fenamidone; Azoxystrobin; Potassium phosphite; Azoxystrobin; BSEF-11; Mefenoxam; Fluopicolide + Mefenoxam; Etridiazole; Trichoderma harzianum Rifai + potassium phosphite

Biological Control:

Biorational Product:

Manufacturer(s): Valent BioScience Corporation; Summerdale; Arysta; BASF Corporation; BioWorks Inc.; Bayer CropScience; Syngenta; Phoenix; Syngenta; Biosafe Systems; Syngenta; Valent and Syngenta; OHP Inc.; Bioworks and Phoenix

Publication date: March 30, 2012

The American Phytopathological Society