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Filtering by: Subject Omnivorous leaf tier -- Control

Control of the omnivorous leaf tier on strawberries and nursery stock

Creator:

Oregon State College. Agricultural Experiment Station and Rosenstiel, Robert G. (Robert George), 1910-1985

Abstract:

Published December 1951. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

Information 506 December 195 1 oj e4e Omnivorous Leaf Tier S1aw6e4 a#ed 1tae St4ei R. G. ROSENSTIEL
Insect parasites of the omnivorous leaf tier, Cnephasia longana (Haworth) in Oregon

Creator:

Poonyathawon, Panya

Abstract:

The purpose of this study was to determine the present status of introduced parasites of the omnivorous leaf tier, Cnephasia longana (Haworth) in Oregon. The omnivorous leaf tier is native to Europe. It was introduced into North America around 1929 and became a serious pest of economic crops such as...

Resource Type:

Masters Thesis

Full Text:

biological control agent in regulating omnivorous leaf tier population in Western Oregon. Insect