Sulfur can suppress mite predators in vineyards
Frank G. Zalom
Lloyd T. Wilson
George M. Leavitt
Authors AffiliationsR. Hanna is Postdoctoral Researcher, Department of Entomology, UC Davis; F.G. Zalom is Extension Entomologist, Department of Entomology, UC Davis; L.T. Wilson is former Professor of Entomology, UC Davis (currently Professor of Entomology, Texas A&M University); G.M. Leavitt is Viticulture Farm Advisor, UC Cooperative Extension, Madera County.
Hilgardia 51(1):19-21. DOI:10.3733/ca.v051n01p19. January 1997.
The Pacific spider mite and the Willamette spider mite are the most common mite pests on grapevines. A single-season study of a vineyard near Madera showed that regular sulfur applications for powdery mildew control can exacerbate spider mite problems in vineyards by suppressing populations of predatory thrips and predatory mites.
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