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Detection and Identification of Botrytis Species Associated with Neck Rot, Scape Blight, and Umbel Blight of Onion

M. I. Chilvers and L. J. du Toit

November 2006


Diagnosis of detection and identification of Botrytis species associated with neck rot, scape blight, and umbel blight of onion are discussed in detail, including the disease’s symptoms and signs, host range, taxonomy, and geographic distribution, as well as methods of isolation, identification (including macroscopic vs. microscopic characteristics), and storage of the pathogens.


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