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Plastic Mulches Prove Effective Against Spotted Wing Drosophila in Raspberry Crops
Hanna McIntosh, a Ph.D. student at University of Wisconsin-Madison, employs a spectrometer to measure the full spectrum of light, gathering data on all the wavelengths produced by the various plastic mulches.
Photo by David Tenenbaum
The initial results are in on a University of Wisconsin-Madison study using mulches to limit spotted wing drosophila (SWD) populations in raspberries, and the results look extremely promising, as the number of larvae found in the fruit was cut by at least half.
Hanna McIntosh, a Ph.D. student at University of Wisconsin-Madison, says that over two years of study, all three plastic mulches — black, white, and metallic — reduced the number of female flies in the canopy by 42% to 51% and the number of larvae in the fruit by 52% to 71%. She said she and the project principal investigators, Dr. Christelle Guédot and Dr. Amaya Atucha, were pleasantly surprised by the results.

Wisconsin , United-states , University-of-wisconsin , Barneveld , Christelle-gu , David-tenenbaum , Ed-bures , Amaya-atucha , David-eddy , Hanna-mcintosh , விஸ்கான்சின் , ஒன்றுபட்டது-மாநிலங்களில்