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Behind Mildew, Botrytis is probably the second-most deleterious pathogen that a grape grower deals with on a yearly basis. There are three main times of the year at which Botrytis is a threat – during the first phase of shoot growth, during flowering, and as we get close to harvest.
Organization |
Napa Valley Grapegrowers |
Publisher |
Napa Valley Grapegrowers |
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14 |
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Video |