Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Creator Western Orchard Pest and Disease Management Conference Committee Member Allen, Thomas Decade 1980-1989

Status, distribution and seasonal variation of filbert aphid resistance to selected insecticides in the Willamette Valley, Oregon

Creator:

Katundu, Juma

Abstract:

Levels of resistance to six selected insecticides of eleven field populations of the filbert aphid Mvzocallis coryli (Goetze) were determined by using the leaf-dip residue technique. Test insecticides included compounds widely used in commercial filbert orchards, namely, carbaryl, diazinon, endosulfan, phosalone, fenvalerate and oxydemetonmethyl. Aphid samples were collected within a...

Resource Type:

Masters Thesis

Full Text:

levels of insecticide exposure, age and management conditions. The tests were conducted to detect