Index Catalog // ScholarsArchive@OSU

Creator:: Theiling, Karen M.
Abstract:: Documentation of the side effects of pesticides on arthropod natural enemies has expanded rapidly since the 1950's as part of an increase in non-target side effects literature. Most reviews have been based on empirical analysis of selected literature. The SELCTV database was developed to make a larger information base accessible...
Resource Type:: Masters Thesis
Full Text:: natural enemies to agricultural pests to pesticides AN ABSTRACT OF THE THESIS OF Karen M. Theiling for

Creator:: Hadam, John J.
Resource Type:: Masters Thesis
Full Text:: December 6, 1985 Acknowledgements I express my utmost thanks to Drs. Brian Croft and M. T. AliNiazee

Creator:: Pratt, Paul D. (Paul David), 1970-
Abstract:: Intra- and interplant movement and dispersal of the predator mites Neoseiulus californicus (McGregor) and Neoseiulus fallacis (Garman) were studied on both lima bean (Phaseolus lunatus L.) and apple (Malus pumila Miller) branch plant systems that were seeded with excess numbers of the spider mite Tetranychus urticae Koch. Individuals of either...
Resource Type:: Masters Thesis
Full Text:: and Apple Plant Systems. Abstract approval: Brian A. Croft Intra- and interplant movement and

Creator:: Prischmann, Deirdre A.
Abstract:: During summer of 1998 and 1999, 34 and 10 vineyard sites, respectively, were sampled to assess spider mite pests and associated biological control by phytoseiid mites. Vineyards studied spanned five major valleys in western Oregon where grape production occurs. Leaf samples were taken from site perimeters and centers. One leaf...
Resource Type:: Masters Thesis
Full Text:: Mites (Acari: Tetranychidae) on Grape Emphasizing Regional Aspects. Abstract approval: ,/l' Brian A

Creator:: Shearer, Peter W.
Resource Type:: Masters Thesis
Full Text:: thank Dr. Brian A. Croft for his helpful comments and for serving as my non-campusu academic advisor

Creator:: Murphy, Christopher F.
Abstract:: An outbreak of western spruce budworm Choristoneura occidentalis in the Blue Mountains of eastern Oregon in 1983 was treated with helicopter applied carbaryl. Effects of the spraying on forest ants were determined from pre- and postspray samples taken from two carbaryl sprayed and two unsprayed plots. In each 0.75-ha plot,...
Resource Type:: Masters Thesis
Full Text:: , suggestions, and timely reviews of my thesis. I especially thank my major professor, Dr. Brian Croft, for his

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:: privacy Brian A. Croft In the Pajaro Valley near Watsonville, California, twospotted spider mite

Creator:: Sewall, David K.
Abstract:: Benomyl, a systemic benzimidazole fungicide was incorporated into artificial diet and evaluated for its oral toxicity to nonparasitized and parasitized third instar orange tortrix larvae, Argyrotaeniae citrana (Fernald) and its food chain toxicity via the host to the solitary braconid endoparasite Apanteles aristoteliae Vierek. Concentrations of benomyl ≤ 300 ppm...
Resource Type:: Masters Thesis
Full Text:: respectively, in media reduced M. croceipes emergence from H. zea larvae by 50% (EC50) (Table 2). Although

Creator:: Yu, Lian, 1965-
Resource Type:: Masters Thesis
Full Text:: (Collembola: Isotomidae) and Oppia nitens (Acari: Orbatidae). Abstract approved: Brian A. Croft h E. Berr

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