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Onion: Allium cepa
Neck rot; Damping-off; Black mold and green mold: Botrytis aclada and B. allii; Pythium ultimum and Rhizoctonia solani; Aspergillus niger and Penicillium spp.

Evaluation of seed treatments for soilborne damping-off pathogens and seedborne fungi of onion, 2008.

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First Author: Lindsey du Toit, Washington State University Mount Vernon NWREC.

Additional Authors: M.L. Derie, L.M. Brissey, B.J. Holmes, M. Twomey, E.W. Gatch

Section: Seed Treatments

Keyword(s): seedling blight

Geographical location: Washington, United States

Products Tested: Farmore D300 (52.6 g/100 kg seed); Farmore D300 + Actigard; Farmore D300 + Vangard WG (3.33 g/100 kg seed); Farmore D300 + Trigard OMC 75 WP; Farmore D300 + Mertect 340F (40.7 g/100 kg seed); Farmore D300 + thiamethoxam; Farmore D300 + Thiram 42-S; Coronet; Rovral; Apron + Maxim 4FS + A14635; Thiram

Active chemical(s): Azoxystrobin + fludioxonil + mefenoxam; Azoxystrobin + fludioxonil + mefenoxam + acibenzolar-S-methyl; Azoxystrobin + fludioxonil + mefenoxam + cyprodinil; Azoxystrobin + fludioxonil + mefenoxam + cyromazine; Azoxystrobin + fludioxonil + mefenoxam + thiabendazole; Azoxystrobin + fludioxonil + mefenoxam + thiamethoxam; Azoxystrobin + fludioxonil + mefenoxam + thiram; Boscalid + pyraclostrobin; Iprodione; Mefenoxam + fludioxonil + experimental; Thiram

Biological Control:

Biorational Product: 1. AgriCoat 711A; organic disinfectant; AgriCoat LLC. 2. AgriCoat 800A; organic disinfectant + Streptomycete sp.; AgriCoat LLC.

Manufacturer(s): Syngenta; Syngenta; Syngenta; Syngenta; Syngenta; Syngenta; Syngenta; BASF Corporation; Bayer CropScience; Syngenta; Syngenta

Publication date: August 18, 2009

The American Phytopathological Society