Persistent Link:
http://hdl.handle.net/10150/208374
Title:
Response of the Tobacco Budworm to Permethrin and Methyl Parathion in Arizona, 1977-1990
Author:
Watson, Theo F.; Kelly, Suzanne E.
Issue Date:
1991
Publisher:
College of Agriculture, University of Arizona (Tucson, AZ)
Journal:
Cotton: A College of Agriculture Report
Abstract:
Field populations of tobacco budworm. Heliothis virescens (F.). have been monitored annually since 1977 with topical applications of synthetic pyrethroid insecticides (primarily permethrin) and methyl parathion to detect changes in insecticide susceptibility. These data showed that LD₅₀'s fluctuated somewhat from year to year with permethrin. but with one possible exception. the fluctuations were not sufficient to change levels of expected control in the field. Field populations continue to show susceptibility to permethrin even though one Maricopa County population showed an increase in the LD₅₀ to 12.4 in 1988. Field populations continue to show resistance to methyl parathion and susceptibility to permethrin.
Keywords:
Agriculture -- Arizona; Cotton -- Arizona; Cotton -- Insect investigations
Series/Report no.:
370087; Series P-87

Full metadata record

DC FieldValue Language
dc.titleResponse of the Tobacco Budworm to Permethrin and Methyl Parathion in Arizona, 1977-1990en_US
dc.contributor.authorWatson, Theo F.en_US
dc.contributor.authorKelly, Suzanne E.en_US
dc.date.issued1991-
dc.publisherCollege of Agriculture, University of Arizona (Tucson, AZ)en_US
dc.identifier.journalCotton: A College of Agriculture Reporten_US
dc.description.abstractField populations of tobacco budworm. Heliothis virescens (F.). have been monitored annually since 1977 with topical applications of synthetic pyrethroid insecticides (primarily permethrin) and methyl parathion to detect changes in insecticide susceptibility. These data showed that LD₅₀'s fluctuated somewhat from year to year with permethrin. but with one possible exception. the fluctuations were not sufficient to change levels of expected control in the field. Field populations continue to show susceptibility to permethrin even though one Maricopa County population showed an increase in the LD₅₀ to 12.4 in 1988. Field populations continue to show resistance to methyl parathion and susceptibility to permethrin.en_US
dc.subjectAgriculture -- Arizonaen_US
dc.subjectCotton -- Arizonaen_US
dc.subjectCotton -- Insect investigationsen_US
dc.identifier.urihttp://hdl.handle.net/10150/208374-
dc.relation.ispartofseries370087en_US
dc.relation.ispartofseriesSeries P-87en_US
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