GPM Part VI: Mildew (3/10)

Grape Pest Management Meeting: Part VI Powdery Mildew March 10, 2015 9:00 am – 11:00 am Burgundy Hall, Lodi Grape Festival Grounds 413 E. Lockeford Street, Lodi The Local Perspective Paul Verdegaal, UCCE Viticulture Farm Advisor, San Joaquin County Powdery...
VINEYARD REMOVALS: LODI GROWER CONSIDERATIONS

VINEYARD REMOVALS: LODI GROWER CONSIDERATIONS

MONDAY, FEBRUARY 5, 2024.  BY STUART SPENCER, LODI WINEGRAPE COMMISSION. At the Unified Wine & Grape Symposium’s State of the Industry presentation on January 24, Jeff Bitter with Allied Grape Growers recommended that California needs to remove a minimum of 50,000...
GRAPEVINE CANOPY MANAGEMENT REVISITED PART 2

GRAPEVINE CANOPY MANAGEMENT REVISITED PART 2

MONDAY, JANUARY 1, 2024.  BY STAN GRANT, VITICULTURIST. Continued from GRAPEVINE CANOPY MANAGEMENT REVISITED PART 1 Direct Canopy Management – Configuration Direct canopy management is canopy management by intervention. It takes two forms. The first, which is...
WINEGRAPE VARIETY FOCUS: PETITE SIRAH (DURIF)

WINEGRAPE VARIETY FOCUS: PETITE SIRAH (DURIF)

MONDAY, NOVEMBER 21, 2022.  BY STAN GRANT, VITICULTURIST. Although Petite Sirah is firmly associated with California, its homeland is southeast France. There the variety is known as Durif after Dr. Francois Durif, the French nurseryman who first discovered and...
SOIL COMPACTION: A STEALTHY THIEF

SOIL COMPACTION: A STEALTHY THIEF

MONDAY, SEPTEMBER 19, 2022.  BY STAN GRANT, VITICULTURIST. In vineyards, some problems develop fast, like powdery mildew epidemics and heat stress. These become apparent within days after initiation. Other problems are more insidious, slowly revealing themselves over...
WHAT I LEARNED FROM COVID-19

WHAT I LEARNED FROM COVID-19

MONDAY, JUNE 13, 2022.  BY LARRY WHITTED, PCA, CCA. COVID-19 taught me an important lesson about grapevine powdery mildew. I should have already learned this lesson from watching meteorologists predicting the path of hurricanes, but I didn’t. Here is the lesson: “All...
APRIL 12, 2022 FROST EVENT

APRIL 12, 2022 FROST EVENT

MONDAY, APRIL 18, 2022.  BY STEPHANIE BOLTON, STAN GRANT, and MATT WANINK. Featured image showing frost damage on young shoots in the Lodi AVA (Peltier Rd & Davis Rd), courtesy of Lodi Winegrape Commission Board Member Bruce Fry of Mohr-Fry Ranches. Since March 1,...