PARTS OF THE GRAPE VINE: FLOWERS & FRUIT

PARTS OF THE GRAPE VINE: FLOWERS & FRUIT

MONDAY, MAY 16, 2022.  BY ED HELLMAN, TEXAS AGRILIFE EXTENSION.  REVIEWED BY TIM MARTINSON, CORNELL UNIVERSITY & PATTY SKINKIS, OREGON STATE UNIVERSITY. Flowers and Fruit A fruitful shoot will usually produce one to three flower clusters (inflorescences) depending...
SPOTLIGHT ON FROST DAMAGE IN GRAPES

SPOTLIGHT ON FROST DAMAGE IN GRAPES

MONDAY, APRIL 25, 2022.  BY MATT COMREY, TECHNICAL NUTRITION AGRONOMIST, WILBUR-ELLIS. I’ve recently had the opportunity to tour various vineyards in the Lodi/Galt area that experienced extreme frost damage from the most recent frost event on April 12, 2022. The...
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,...
FARMING WINEGRAPES FOR AROMA, FLAVOR, & COLORS

FARMING WINEGRAPES FOR AROMA, FLAVOR, & COLORS

MONDAY, AUGUST 23, 2021.  BY STAN GRANT, VITICULTURIST. For many wine drinkers, the most important characteristic of a wine is its flavor. While sugar (sweetness and alcohol strength), acidity (tartness), and color related compounds (astringency and bitterness) in...
FOLIAR SYMPTOMS OF MINERAL NUTRIENT PROBLEMS

FOLIAR SYMPTOMS OF MINERAL NUTRIENT PROBLEMS

MONDAY, MARCH 29, 2020.  BY STAN GRANT, VITICULTURIST. The old saying, a picture is worth a thousand words, certainly applies to damaged grapevine foliage. Still, describing foliage damage with words is often necessary for vineyard managers to communicate with crop...
VINE GROWTH CAPACITY AND HORIZONTALLY DIVIDED VINES

VINE GROWTH CAPACITY AND HORIZONTALLY DIVIDED VINES

JUNE 3, 2019.  BY STAN GRANT. The climate of most of California is well suited to grape growing, with consistent warm, dry weather and ample sunlight hours during most of the growing season.  In addition, many California soils have the capacity to capture, store, and...
VARIETY FOCUS: OPTIMIZING MERLOT

VARIETY FOCUS: OPTIMIZING MERLOT

OCTOBER 8, 2018. BY STAN GRANT. Beginning in the late 1980’s, Merlot became a major fixture in the California wine grape industry largely because it lends itself to smooth, fruity, darkly colored, and approachable red wines. Merlot is truly an international...