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Filtering by: Subject Almond -- Diseases and pests Academic Affiliation Entomology Creator Dunley, John E.

Spatial distribution of O-P resistance in the Hood River and Willamette Valleys

Creator:

Dunley, John E.

Resource Type:

Conference Proceeding

Full Text:

Oregon State University Corvallis, OR 97331 SPATIAL DISTRIBUTION OF O-P RESISTANCE IN THE HOOD RIVER AND
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:

on biological controls, selective pesticides, and cultural methods which reduce pest populations