Raspberries

Growing Raspberries

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  • This program was originally recorded for the 2013 Level 2 Master Gardener Training: A Row to Hoe, with Rebecca Harbut, former UWEX Fruit Specialist

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Spotted Wing Drosophila in Wisconsin

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Spotted Wing Drosophila, Drosophila suzukii, is a small fly that can cause significant damage to a number of fruit crops in Wisconsin, including: raspberries, blackberries, grapes, cherries, blueberries, and others. This exotic pest is related to vinegar flies (commonly called “fruit flies” when found around the house). SWD is native to parts of eastern Asia and was found In California in 2008. Shortly thereafter, SWD was found in the Pacific Northwest and Florida (2009). SWD was discovered in Wisconsin in the fall of 2010. Over 35 states now have SWD infestations. Currently, the majority or known infestations occur along the east and west coasts and in the midwest states. In 2012, 11 Wisconsin counties had confirmed SWD infestations, and infestations were suspected in another 7 counties. Monitoring is continuing in Wisconsin and in 2015, 42 counties have been confirmed to have SWD.

Please visit the following pages to learn more about this pest.

images of damage caused by SWD

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image of raspberry

image via https://www.flickr.com/photos/davispuh/