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Creator:: Olson, David Lloyd
Abstract:: Field studies were conducted in 1973 and 1974 to determine the soil persistence of the herbicide M-3785 (containing 0.5 lb a.e. Dowco 290 + 2.0 lb a.e. 214D/gallon). under cropping situations. Spring barley (Hordeum distichon L. 'Hannchen') was grown at Corvallis, Oregon and winter wheat (Triticum aestivum L. 'Nugaines.') was...
Resource Type:: Masters Thesis
Full Text:: lb a.e. 214D/gallon). under cropping situations. Spring barley (Hordeum distichon L. 'Hannchen') was

Creator:: Schoner, Carl Arnold
Abstract:: Setaria lutescens (yellow foxtail) plants, grown from five seed sources were compared in California. Seed sources were: Connecticut, Iowa, Massachusetts, Pennsylvania and California. Morphological and physiological differences between biotypes include: plant size, growth habit, time required to mature and reproductive capa city. Most significant is the prostrate habit of the...
Resource Type:: Dissertation
Full Text:: completed. My sincerest appreciation to my doctoral committee, Dr. Kenton L. Chambers, Dr. Rodney V

Creator:: Magee, Teresa K.
Abstract:: Grassy balds are meadows that occur on or near the summits of montane peaks and ridges. The sites on which balds are located generally fall within the climatic tolerance ranges of associated tree species. This study evaluates the stability of a forest-meadow transition zone of such a bald on Marys...
Resource Type:: Masters Thesis
Full Text:: this thesis by Dr. Joe Antos, Robert Meinke, and Dr. Kenton Chambers greatly improved its content. I

Creator:: Vollmer, Gregory S.
Abstract:: Hard Fescue (Festuca longifolia Thuill.) has potential for in creased turf use but does not respond well to normal seed production management practices in Oregon. Field burning (the normal residue management practice) results in reduced seed yields in commercial hard fescue seed production fields but stimulates seed production in Chewings...
Resource Type:: Masters Thesis
Full Text:: Festuca longifolia Thuill. and Festuca rubra L. subsp. commutata Gaud. established for seed production

Creator:: Tanphiphat, Karin
Abstract:: Field studies were started at Hyslop Farm, Corvallis, Oregon in 1984 to determine the soil persistence of the herbicide clopyralid (3,6-dichloropicolinic acid) under cropping situations. The herbicide was sprayed on bare soil at the proposed use rate of 0.14 kg/ha in the spring and on the same plots at a...
Resource Type:: Masters Thesis
Full Text:: /ha in the summer. Winter wheat (Triticum aestivum L. 'Stephen') was seeded in the same fall

Creator:: Meinke, Robert James
Abstract:: Populations of an unknown species of Mimulus, herein described as Mimulus hymenophyllus Meinke, were located and studied near Horse Creek, a tributary of the Snake River in eastern Wallowa County, Oregon. The new species is differentiated from its apparent closest relative, Mimulus jungermannioides Suksd., by an annual habit, long petioles,...
Resource Type:: Masters Thesis
Full Text:: committee, Drs. Robert Frenkel, Kenton Chambers, Joseph Beatty, and Jack Lattin for their assistance. I

Creator:: Gleichsner, Jean Ann
Resource Type:: Dissertation
Full Text:: aestivum L. Stephens') at various ripgut brome and wheat plant densities. Wheat yield decreased as ripgut

Creator:: Carlson, Jack R.
Abstract:: Chromosome counts were determined for 152 accessions of Pseudoroegneria spicata (Pursh) A. Löve and, combined with existing count data, used to plot the distribution of diploid and tetraploid populations. Morphological variation of 55 characters was examined in five groups totaling 205 operational taxonomic units (OTU's), using cluster, principal factor, and...
Resource Type:: Masters Thesis

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