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Internal dry scale and associated bulb rots of onion
Report   Open access

Internal dry scale and associated bulb rots of onion

Lindsey J. du Toit, Timothy D. Waters and Stuart R. Reitz
PNW (Series), 686, Washington State University Extension
05/2016
Handle:
https://hdl.handle.net/2376/6280
pdf
PNW6862.90 MBDownloadView
Rights Statements InC/1.0 ,  Open Access

Abstract

Onions--Diseases and pests--Northwest, Pacific. Onions--Diseases and pests--Control--Northwest, Pacific.
Onion growers and packers in the Pacific Northwest have observed a problem on red, white, and yellow cultivars: internal dry scale. Bulbs affected by internal dry scale have dead inner scales that are susceptible to fungi, bacteria, and yeasts, which can lead to rot. In addition to outlining the incidences and symptoms of internal dry scale and associated bulb rots of onion, this publication discusses the factors that contribute to it and suggests tactics for limiting it.

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