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Botrytis, downy mildew, and purple blotch of onion
Schwartz, Howard F.
Colorado State University. Cooperative Extension Service.
2004
Colorado State University Cooperative Extension
Fort Collins, Colo.
Onions Diseases and pests Botrytis
1 PDF ([3] p. : ill. ; 194 KB)
eng
Crop series. Diseases ; no. 2.941
UCSU20/6.22/2.941/2004/INTERNET
http://hdl.handle.net/10176/co:6550
291101191
2010-07-19T19:51:48.907Z