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Organic Management Guide Released

A national team of researchers lead by the University of Georgia has released a new guide to organic management of SWD this May, 2018, Management Recommendations for SWD in Organic Berry Crops. The guide details information on non-chemical and insecticide approaches to protect berry crops against SWD. Controlling SWD is particularly challenging, requiring a rigorous, persistent and […]

Renovate Strawberry Plantings Promptly

Strawberry renovation is a critical, but often overlooked part of growing June bearing strawberries.  This year, with SWD numbers climbing, it’s even more important to remove fruit leftover in the field as quickly as possible. Otherwise, this fruit can serve as a food and reproductive resource for SWD population growth. The task that creates a […]

First Find in Rensselaer County

Two female SWD were caught in one of two traps set in an Amelanchier hedgerow immediately adjacent to a June bearing strawberry field during the week ending June 25, 2018. The two other traps at this location are inside exclusion netting over a blueberry planting and caught zero SWD. These traps are being monitored by […]

SWD insecticide quick guides updated for 2018

There were a few changes during the past year in the insecticides registered in New York State for SWD management. Most notably: Delegate WG, spinetoram (new product label, 62719-541) no longer needs a 2ee for use on stone fruits, grapes, brambles and blueberries. There is also a supplemental label for blueberries. Radiant, spinetoram (new product label, […]

More SWD being found – cherries at risk

In the last week of July 2017, my program found up to 100 SWD in some of the SWD traps in our raspberry research plot in Geneva, NY. Without a doubt, pressure from SWD and fruit infestation levels will be increasing as the SWD population explodes. In addition, fruit crops normally escaping infestation are reporting […]

Blueberry grower reports

Reports from blueberry growers have come in. SWD — caught in traps, found in fruit, and plantings shut down. One of these growers in the Southern Tier of NY, caught a single male in a trap on Sunday, July 23, 2017, and then, “In a matter of 3 days my 4 traps exploded with SWD. […]

Pruning caneberries to minimize SWD habitat within the planting

Examine your caneberry plantings for conditions that promote SWD infestation and take steps to eliminate them. Although we cannot change the weather, we can alter conditions in the planting to reduce the cool, dark, humid areas preferred by SWD. Pruning and training systems can help maintain an open canopy to increase sunlight and reduce humidity. […]

Protecting crops from SWD infestation

To protect crops from SWD infestation, once susceptible fruit is ripe and SWD is in your area, manage them aggressively. Using a combination of tactics is better than relying on one; and is the foundation of integrated pest management (IPM). Talk to your local Extension office about how to monitor for SWD, read Extension newsletters […]

SWD and sour rot of grapes

SWD populations are building up and the warm, humid weather of late summer and early fall is very favorable for spotted wing. Any fruit hanging will be at risk of infestation. Not until late November will the majority of female SWD no longer carry eggs, as they prepare for overwintering. Wayne Wilcox, grape pathologist, Plant […]

Updates from Global SWD Research

Spotted wing drosophila (SWD) is native to South East Asia. It was first recorded as an invasive species in Hawaii in 1980, and in both California and parts of Europe in 2008. Since then it has spread rapidly throughout temperate North America and Europe, mainly due to global trade combined with an initial lack of […]

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