Kaolin Clay for Management of Glassy-winged Sharpshooter in Grapes
ATTRA - National Sustainable Agriculture Information Service
P.O. Box 3838
Butte, MT 59702

Pierce’s disease, axylem-clogging bacterial disease which was firstidentified over 100 years ago, now has a new andefficient vector, the glassy-winged sharpshooter(GWSS) Homalodisca coagulata. Pierce’s disease isincurable and will generally kill a vine within twoyears of infection.

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