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Filtering by: Creator Aguilar, Hugo G. Creator Dunley, John E. Non-Academic Affiliation Oregon State University. Graduate School

Comparative emigration, immigration, and colonization of apple by Metaseiulus occidentalis Nesbitt and Typhlodromus pyri Scheuten (Acarina: Phytoseiidae)

Creator:

Dunley, John E.

Abstract:

Dispersal and colonization of young potted apple trees by the spider-mite predators Metaseiulus occidentalis Nesbitt and Typhlodromus pyri Scheuten were studied in the Hood River Valley of Oregon. Experimental mini-orchards of 10 four-year old potted apple trees were established at distances of 0, 10, and 100 m downwind from commercial...

Resource Type:

Masters Thesis

Full Text:

apple trees: Steve Booth, Hugo van de Baan, Russ Messing, Karen Theiling, and Sue Haley. My greatest
Genetics and gene flow of organophosphate resistance in three predatory mites, Amblyseius andersoni Chant, Typhlodromus pyri Scheuten and Metaseiulus occidentalis Nesbitt (Acarina: Phytoseiidae), in Oregon

Creator:

Dunley, John E.

Abstract:

Genetics, gene flow, and distribution of pesticide resistance traits were examined for organophosphate (OP) resistance in three beneficial phytoseiid mites. Levels and genetics of OP resistance in Amblyseius andersoni were examined first. Laboratory strains from Italy and Oregon, USA, were compared in susceptibility to insecticides used in western Oregon fruit...

Resource Type:

Dissertation

Full Text:

: Ian MacRae, Hugo van de Baan, Lindsey Flexner, Darin Allred, Ray Drapek, and Karen Theiling, as