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Problems with chemical control of pear psylla
Authors
Helmut RiedlPeter H. Westigard
Richard S. Bethell
James E. DeTar
Authors Affiliations
Helmut Riedl is Assistant Entomologist, Department of Entomological Sciences, University of California, Berkeley; Peter H. Westigard is Professor of Entomology at the Southern Oregon Experiment Station, Medford, Oregon; Richard S. Bethell is Farm Advisor, U.C. Cooperative Extension, El Dorado County; James E. DeTar is Farm Advisor, U.C. Cooperative Extension, Solano County.Publication Information
Hilgardia 35(9):7-9. DOI:10.3733/ca.v035n09p7. September 1981.
PDF of full article, Cite this article
Abstract
The relatively new pyrethroid insecticides are effective against pear psylla, but intensive use can hasten resistance development.
Riedl H, Westigard P, Bethell R, DeTar J. 1981. Problems with chemical control of pear psylla. Hilgardia 35(9):7-9. DOI:10.3733/ca.v035n09p7
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