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Filtering by: Subject Hazel -- Diseases and pests -- Identification Committee Member Allen, Thomas

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:

, Painter and Jones 1958). Due to the presence of the pest complex described above and the need to reduce