Monday, April 22, 2013

Bud break 2

Both Chardonnay and Merlot are near 100% bud break as of today.  At this point, one disease to be considered is Phomopsis cane and leaf spot.  If you have a history of Phomopsis in your vineyard(s), mancozeb, or captan, or ziram will be a good choice for protection of young tissues.

I have not seen much of Phomopsis in our young vineyards, so, I will skip this spray, and start my program around 5-10-inch shoot growth, targeting downy, powdery, and black rot prevention.

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