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Filtering by: Conference section Pesticide Resistance Committee Member Appleby, Arnold Decade 1980-1989

Effects of early season immigration on acaricide resistance of Tetranychus urticae Koch on strawberry in the California Pajaro and Salinas valleys

Creator:

Miller, Richard W. (Richard William), 1958-

Abstract:

In the Pajaro Valley near Watsonville, California, twospotted spider mite (Tetranychus urticae Koch) populations were surveyed in 1983 and '84 to detect the influence of immigrants from nursery plants or surrounding vegetation on subsequent resistance development to cyhexatin and formetanate in strawberry fields. Susceptible mites (cyhexatin LC50 = 0.0039 %...

Resource Type:

Masters Thesis

Full Text:

Effects of Early Season Immigration on Acaricide Resistance
Effects of tillage on emergence of mint root borer, Fumibotys fumalis Guenée, and on other agronomic factors in peppermint, Mentha piperita L.

Creator:

Talkington, Michael Lee

Abstract:

Studies were conducted in the Willamette Valley of western Oregon to evaluate the effects of plowing (7.5-15 cm deep) and disking (5-10 cm deep) in peppermint, Mentha piperita L., on the following factors: 1) emergence of adult "mint root borer", Fumibotys fumalis Guenée; 2) suppression of common groundsel, Senecio vulgaris...

Resource Type:

Masters Thesis

Full Text:

quickly, and populations of F. funalis may develop resistance to chlorpyrif os, research was necessary