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American ginseng: Panax quinquefolium
Phytophthora root rot: Phytophthora cactorum

Evaluation of fungicide combinations to control Phytophthora root rot on ginseng seedlings, 2008.

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First Author: Xiaopeng Wang, Michigan State University.

Additional Authors: B.R. Harlan, M.K. Hausbeck

Section: Citrus, Tropical, Vegetable, and Misc. Crops

Keyword(s): Ginseng seedlings; Fungicide combinations; Disease severity; Plant death

Geographical location: Michigan, United States

Products Tested: Captan 80WDG + Presidio 4SC; Captan 80WDG + Presidio 4SC alt. Phostrol 6.69SC + Dithane 75DF alt. Revus 250SC + Kocide 2000DF; Captan 80WDG + Reason 500SC; Captan 80WDG + Revus 250SC; Captan 80WDG + Revus 250SC alt. Phostrol 6.69SC + Dithane 75DF alt. Presidio 4SC + Kocide 2000DF; Phostrol 6.69SC + Dithane 75DF; Reason 500SC + Presidio 4SC; Revus 250SC + Presidio 4SC; Revus 250SC + Reason 500SC; Tanos

Active chemical(s): Captan + flupicolide; Captan +flupicolide alt. phosphorous acid + mancozeb alt. mandipropamid + copper hydroxide; captan + fenamidone; Captan + mandipropamid; Captan + mandipropamid alt. phosphorous acid + mancozeb alt. flupicolide + copper hydroxide; Phosphorous acid + mancozeb; Fenamidone + flupicolide; Mandipropamid + flupicolide; Mandipropamid + fenamidone; Famoxadone + cymoxanil

Biological Control:

Biorational Product:

Manufacturer(s): Arvesta and Valent; Arvesta, Valent, Nufarm, Dow Agro., Syngenta and Griffin; Arvesta and Bayer; Arvesta and Syngenta; Arvesta, Syngenta, Nufarm, Dow Agro., Valent and Griffin; Nufarm and Dow Agro.; Bayer and Valent; Syngenta and Valent; Syngenta and Bayer; DuPont.

Publication date: March 30, 2009

The American Phytopathological Society