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Filtering by: Subject Western larch -- Diseases and pests -- Idaho Decade 1950-1959

1. The control of diseases and insect pests of prunes in western Oregon

Creator:: Oregon State College. Agricultural Experiment Station, Jones, Sidney Carroll, 1898-1974, and Steenland, A. P.
Abstract:: Published February 1953. 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:: , particularly in western Oregon. Pear or prune thrips and brown rot are discussed in particular in this

2. Report on sanitation-salvage beetle control in the Ponderosa pine forests of the Pacific Northwest

Creator:: Johnson, Norman E.
Resource Type:: Undergraduate Thesis
Full Text:: , the western pine beetle shows a definite pref- . erence for over-snatu'e and weakened trees. It is