By Clint Thompson Unseasonably warm temperatures have one University of Georgia plant pathologist concerned about the impact on Pierce’s disease in grapes. Phil Brannen, University of Georgia Extension fruit disease specialist, discussed the potential dire situation facing some grape producers. “The concern I have on grapes, especially the European wine grapes in North Georgia, is with these warm temperatures we’re …
What’s Next? Grape Producers Should Protect Vineyards After Harvest
By Clint Thompson The grape season has concluded or will soon end for producers in Southeast. But management continues after the final grape is harvested. University of Georgia Cooperative Extension fruit disease specialist Phil Brannen highlighted what growers should be doing this time of year and its significance heading into next season. “The biggest thing they can do and it’s …
Pierce’s Disease Problem for Some Grape Producers
By Clint Thompson Diseases were minimal for grape producers in the Southeast this year, but Pierce’s disease was one that caused problems in some vineyards. University of Georgia Cooperative Extension fruit disease specialist Phil Brannen discussed how widespread the disease has been this year and what growers can do to manage it. “There’s a good bit of Pierce’s disease showing …
Dry Weather Leads to Improved Grape Season
By Clint Thompson There is still a month left of harvest for some grape varieties in the Southeast, but the crop has already shown better results than last year. The better yields are attributed to the dry weather experienced this summer, said University of Georgia Cooperative Extension fruit disease specialist Phil Brannen. “I think, overall, it’s a lot better this …
Reduce SWD to Protect Against Sour Rot
By Clint Thompson The ripening of grapes around the Southeast means producers need to be managing drosophila flies. As grapes near veraison or 15 degrees brix, they become more attractive, especially for spotted wing drosophila (SWD). As Brett Blaauw, assistant professor at the University of Georgia (UGA) College of Agricultural and Environmental Sciences, points out in the UGA Extension Viticulture …
Heat’s Impact on Grape Production
By Clint Thompson The lingering heat wave sweltering the Southeast could impact grape production this season. University of Georgia Cooperative Extension fruit disease specialist Phil Brannen discussed the impact that temperatures approaching 100 degrees Fahrenheit could have on grape production, especially the younger vines. “I suspect there’s a good bit of stress going on with the vines right now. Unfortunately, …
Mating Disruptions for Grape Root Borer
By Clint Thompson Now is the time in the production season that grape root borer adults begin emerging. Growers need to implement mating disruption now as a management tactic, says Brett Blaauw, assistant professor at the University of Georgia (UGA) College of Agricultural and Environmental Sciences in the UGA Extension Viticulture Blog. Grape root borers tunnel into larger roots and …
UF/IFAS Scientists Finding Grapes to Grow in Florida
Florida farmers and other businesspeople are bubbling with enthusiasm to make wine. There are about 40 wineries around Florida. As of 2017, growers in the Sunshine State were producing more than 1,500 acres of muscadine grapes. That’s a 74% increase in 10 years, and producers will be harvesting in July and August. To meet the increasing market for Florida-grown grapes, …
It is Japanese Beetle Season
The Japanese beetle is showing up in Georgia vineyards, according to the University of Georgia (UGA) Extension Viticulture Blog. In large enough numbers, Japanese beetles can be a severe pest of grapes during the summer, feeding mainly on foliage and rarely on the berries. New plantings are most susceptible. Older, established vines can withstand some feeding damage, but young vines …
Botrytis Resistance Testing Key for Strawberry, Grape Producers
By Clint Thompson A University of Georgia Extension fruit disease specialist encourages grape and strawberry producers who are concerned that botrytis resistance is developing to their fungicides to comply with testing procedures at Clemson University. Phil Brannen stresses that growers should be concerned with potential resistance forming to the botrytis disease. “Botrytis as a fungus is more adept at developing …