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Development of a purple blotch (Alternaria porri) forecast system for onion (Allium cepa L.)

Development of a purple blotch (Alternaria porri) forecast system for onion (Allium cepa L.)

Summa Phytopathologica 27(3): 313-317

ISSN/ISBN: 0100-5405

This paper discusses a forecast system developed for onion purple blotch (caused by Alternaria porri) in Sao Paulo, Brazil during 1998.

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Accession: 003708967

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