UGA Extension Viticulture Blog

Preparation for grape root borer 2019

We are within a few weeks of the anticipated initial emergence of grape root borer (GRB) adults here in Georgia. If you are planning on implementing mating disruption as a management tactic for GRB and you haven’t deployed your pheromone dispensers/ties, now is the time to get those distributed.  If…
Read More

The Japanese Beetles are Back in Town

The time is upon us once again. Japanese beetles are showing up in vineyards around the state. They are only just beginning to emerge, so their numbers will increase dramatically over the next few weeks. In large enough numbers, Japanese beetles can be a severe pest of grapes during the…
Read More

Potential Thrips Issues in Blanc du Bois

                    Thrips are small yellowish-brown insects, approximately 0.04 inch long, with feathery wings. Thrips are generally not a problem for wine grapes, but both western flower thrips and grape thrips are known to cause damage on grapes. Western flower thrips are…
Read More

Shoo fly, don’t bother me…SWD in wine grapes

As the brix levels in the grapes continue to rise, the attractiveness of the fruit to spotted wing drosophila (SWD) also increases. We are currently only catching a few SWD in our monitoring traps, but this is expected to drastically increase in the next few weeks. And since SWD is…
Read More

Grape root borer – REMINDER

We are still detecting grape root borer adults in north Georgia. This means that the adults are still active, with females potentially still laying eggs. While we are getting a little late for chemical control, if you have more than 35 days before harvest, you can use Lorsban 4E* (chlorpyrifos).This is…
Read More

The Japanese beetles are coming…

The time is upon us once again. Japanese beetles have been documented in vineyards in western GA. They are only just beginning to emerge, so their numbers will increase dramatically over the next few weeks. In large enough numbers, Japanese beetles can be a severe pest of grapes during the…
Read More

Spotted Wing Drosophila Webinar

Concerned about spotted wing drosophila and want to learn more about their control? The national research team will be presenting a webinar series on on Feb. 23, 2018, from 12 to 1 p.m. The webinar will include an overview of spotted wing drosophila research, an update on the native biocontrol agents that have…
Read More