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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:: privacy Dr. E. A. Dickason The purpose of this study was to determine the present status of introduced

Oregon

Creator:: Armstrong, A. N.
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: A. N. ARMSTRONG YE GALLEON PRESS FAIRFIELD, WASHINGTON 1969 PUNTED IN THE UNITED STATES OF

An illustrated key to the ferns of Oregon

Creator:: Pembrook, Helen Patricia O'Donahue
Abstract:: The purpose of the work is to enable students of botany to identify accurately Oregon ferns, both as living plants and as dried specimens. Therefore, it provides vegetative keys to the families, genera and species of the ferns (Class FILICINAE) found in Oregon. Correct names have been determined using the...
Resource Type:: Masters Thesis
Full Text:: accordance with 1961 edition of the International Code of Botan- ical Nomenclature. The synonomy, a

A phytochemical analysis of Galium triflorum

Creator:: Knott, Robert Peter
Resource Type:: Dissertation
Full Text:: ..,... ..... • ftb1ac.e an· eas-1&111' ~ a M*"'-na loutll Alln'l•, au. ftftJ ..,..,. 11ft to«J...- to Mateo M4 t'ovteeD

A credit system for rural Nigeria

Creator:: Njoku, Athanasius Onwusaka
Resource Type:: Masters Thesis
Full Text:: to a co-operative movement, and noted that peppers were sent as far afield as Jos, Kano, and Onitsha

A biosystematic study of some North American species of Agrostis L. and Podagrostis (Griseb.) Scribn. & Merr.

Creator:: Carlbom, Curt Gerald, 1932-
Abstract:: A taxonomic investigation was made of 24 taxa belonging to the section Trichodium (Michx.) Trin., of Agrostis, and the genus Podagrostis. Experimental methods were employed, including: uniform garden culture of transplants and plants grown from seeds collected in natural populations; breeding studies; physiological and phenological investigations; cytological studies; ecological studies...
Resource Type:: Dissertation
Full Text:: A Biosystematic Study of Some North American Species of

An experimental taxonomic study of a northwest American polyploid species, Scrophularia lanceolata pursh

Creator:: Carlbom, Curt Gerald, 1932-
Resource Type:: Masters Thesis
Full Text:: An experimental taxonomic study of a northwest American

The T-S gradient method, a new method of computing geostrophic currents over large ocean areas

Creator:: Denner, Warren Wilson
Resource Type:: Dissertation
Full Text:: . (Name) (Degree) in OCEANOGRAPHY (Degree) presented on '* 1Cj(Date) Title: THE T-S GRADIENT METHOD, A

Origin and distribution of polyploid Achillea (Compositae) in western North America

Creator:: Tyrl, Ronald J.
Abstract:: A cytogeographical study was made of populations of tetraploid (n=18) and hexaploid (n=27) Achillea millefolium (Compositae- Anthemideae) from the Pacific Coast states. There is a complex distributional pattern, involving overlapping ranges, mixed populations, migration of one form into areas occuplied by the other, pentaploid hybrids, and septaploid and octoploid plants....
Resource Type:: Dissertation
Full Text:: Abstract approved: Redacted for privacy Kenton Lee Chambers A cytogeographical study was made of

Yield, yield-trend, and response to nitrogen of introduced grasses on the Oregon high desert

Creator:: Sneva, Forrest, Hyder, D. N., and Oregon State University. Agricultural Experiment Station
Abstract:: Published July 1965. 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:: E., Jr., A. T. Bleak, and Jos. H. Robertson. Effects of macro- and micro-nutrients on the yield of

ScholarsArchive@OSU

Insect parasites of the omnivorous leaf tier, Cnephasia longana (Haworth) in Oregon

Oregon

An illustrated key to the ferns of Oregon

A phytochemical analysis of Galium triflorum

A credit system for rural Nigeria

A biosystematic study of some North American species of Agrostis L. and Podagrostis (Griseb.) Scribn. & Merr.

An experimental taxonomic study of a northwest American polyploid species, Scrophularia lanceolata pursh

The T-S gradient method, a new method of computing geostrophic currents over large ocean areas

Origin and distribution of polyploid Achillea (Compositae) in western North America

Yield, yield-trend, and response to nitrogen of introduced grasses on the Oregon high desert

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