Inflorescence Necrosis and Ammonium in Grape

Technical Report

公开 Deposited

Citeable URL: https://ir.library.oregonstate.edu/concern/technical_reports/v979v422m

Descriptions

Attribute Name	Values
Creator	Creasy, Glen L. Price, Steve Breen, Patrick J.
Abstract	Poor set and low yields in 1988 and 1990 were, in part, attributed to Inflorescence Necrosis (IN), a disorder that results in death of flowers and rachis tissue near bloom-time. In isolated areas, IN has caused significant loss of crop in each year since then. Past research at OSU has indicated that high vigor and vine shade worsen IN, and that vines more severely affected by IN have higher concentrations of ammonium ion (NH,"), which seems to be the cause of IN symptoms in cluster tissue. However, there is still much that we do not understand about IN. Currently, our research is focusing on determining how viticultural factors affect NH," concentrations in flower tissues and investigating one possible reason why NH,~ may build up to toxic levels.
Resource Type	Technical Report
Date Available	2016-02-10T17:15:31+00:00
Date Issued	1995
Academic Affiliation	Horticulture
Non-Academic Affiliation	Oregon Wine Research Institute
Series	Oregon Wine Advisory Board Research Progress Report
权利声明	In Copyright
Publisher	Oregon Wine Research Institute
Peer Reviewed	No
Language	English [eng]
Replaces	http://hdl.handle.net/1957/58247

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