Report No. 7:V047
Onion: Allium cepa
Onion stunting: Rhizoctonia spp.

Efficacy of fungicides to manage onion stunting caused by Rhizoctonia spp. in the Columbia Basin of Oregon and Washington, 2011-2012.

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First Author: D. Sharma-Poudyal, Washington State University Mount Vernon NWREC

Additional Authors: T.C. Paulitz, L. Porter, J. Eggers, P.B. Hamm, L.J. du Toit

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

Keyword(s): Plant growth promoter

Geographical location: The Columbia Basin, Oregon, Washington, United States

Products Tested: Fontelis; Quadris; ReZist ; Rhizoburst

Active chemical(s): Penthiopyrad; Azoxystrobin; Cu 1.75%, Mn 1.75%, and Zn 1.75%, with polyamines and natural plant extracts; NPK 10-34-0 + 0-0-19 + humic acid

Biological Control:

Biorational Product:

Manufacturer(s): DuPont; Syngenta; Stoller Enterprises; Horizon Ag

Publication date: March 11, 2013

The American Phytopathological Society