Effect of Heat Stress on Grape Production in the San Joaquin Valley (SJV)

Spur Pruning and Minimal Pruning on Raisin Grape

April 2020 Edition

The 2019 winter issue of Vit Tips covers:

1) Grapevine disease management. e.g., Powdery Mildew and Botrytis on wet year, like 2019;

2) Post-harvest vineyard management, e.g., irrigation/nutrient management and pruning strategy ;

3) Recent update of sudden vine collapse.

The UCCE SJV Viticulture Newsletter, Vit Tips, is back with new team members on board! Please welcome Karl Lund, UCCE Madera, Merced, and Mariposa Counties Viticulture Advisor and Gabriel Torres, UCCE Tulare and Kings Counties Viticulture Advisor. They will be valuable resources for grape growers and industry in the SJV. They will be eager to have farm visits and initiate the discussion about critical research and extension for your production system!

This new issue focuses on:

• Heat prevention
• Nematodes resistant rootstock
• Vineyard nematodes management
• Viticulture meetings and events