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Guthion-resistant walnut aphid parasite: Release, dispersal, and recovery in orchards
Authors
Marjorie A. HoyKevin M. Spollen
William W. Barnett
Robert H. Beede
Joseph Grant
William H. Krueger
Lonnie C. Hendricks
William H. Olson
Frances E. Cave
Authors Affiliations
Marjorie A. Hoy is Professor, Department of Entomology, University of California, Berkeley; Kevin M. Spollen is Graduate Student, Department of Entomology, University of California, Berkeley; William W. Barnett is Area IPM Advisor, Kearney Agricultural Center, Parlier; Robert H. Beede is Farm Advisor in Kings, San Joaquin, Glenn, Butte, and Merced counties, respectively; Joseph Grant is Farm Advisor in Kings, San Joaquin, Glenn, Butte, and Merced counties, respectively; William H. Krueger is Farm Advisor in Kings, San Joaquin, Glenn, Butte, and Merced counties, respectively; Lonnie C. Hendricks is Farm Advisor in Kings, San Joaquin, Glenn, Butte, and Merced counties, respectively; William H. Olson is Farm Advisor in Kings, San Joaquin, Glenn, Butte, and Merced counties, respectively; Frances E. Cave is Staff Research Associate II, Department of Entomology, University of California, Berkeley.Publication Information
Hilgardia 43(5):21-23. DOI:10.3733/ca.v043n05p21. September 1989.
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Abstract
A genetically improved strain of the parasite Trioxys pallidus performed well after release in commercial orchards in 1988, persisting through the season in four of the five release sites and, at two sites, dispersing to nearby wainut blocks. Work on the resistant strain also continued in the laboratory, as reported in the next article.
Hoy M, Spollen K, Barnett W, Beede R, Grant J, Krueger W, Hendricks L, Olson W, Cave F. 1989. Guthion-resistant walnut aphid parasite: Release, dispersal, and recovery in orchards. Hilgardia 43(5):21-23. DOI:10.3733/ca.v043n05p21
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