Grapes

Weather ideal for start of downy mildew in grapes

Downy mildew, caused by the oomycete Plasmopara viticola, has gotten off to a good start in 2015 due to copious rainfall, moderately warm temperatures and high relative humidity over the past weeks. Downy mildew was... more »

Maxwell Norton, director of UCCE in Merced County, to retire after 36 years

Maxwell Norton, UC Cooperative Extension director and advisor in Merced and Mariposa counties, plans to retire on July 1. Norton, who specializes in tree fruit, grapes and farmland preservation, has served Merced County growers for... more »

RHYME fungicide launched for powdery mildew control in grapes

California and Arizona growers have a new fungicide for disease management in fresh, table and wine grapes. Available for the first time in 2015, RHYME fungicide offers control of powdery mildew and black rot in... more »

WSU dedicates new Ste. Michelle Wine Estates WSU Wine Science Center

Washington State University dedicated its new wine science center here and announced that the center will bear the name of its top supporter.“For more than 25 years, Ste. Michelle Wine Estates has supported the WSU... more »

Protect grape clusters from diseases during early fruit development

Young fruit clusters are highly susceptible to all major diseases, including downy mildew, powdery mildew, black rot, Phomopsisand anthracnose. If prolonged cool, wet weather prevails during bloom, Botrytis can also gain a foothold in clusters... more »

Relief may be available for fruit growers with winter injury

Harsh winter conditions have caused injury in a number of perennial cropping systems in Michigan. According to Michigan State University Extension, the Agricultural Act of 2014 (the 2014 Farm Bill) authorized the Tree Assistance Program... more »

Washington drought boosting state’s winemaking production

California is the No. 1 wine producing state in the country. Even when conditions are less than ideal, production numbers are through the roof.Is that going to change?According to The New York Times, wine producers... more »

Nealta registered for use in California

Nealta miticide from BASF has received registration for use in California. Nealta miticide delivers long-lasting control of spider mites at all life stages through a unique mode of action. It is labeled for use on... more »

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