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Creator:: Bergman, Jerald Wilmer
Abstract:: Studies were conducted to determine the effectiveness of a biological pollen barrier of rye, Secale cereale, in preventing out-crossing between Lolium multiflorum genotypes in each of the 300 crossing blocks established in this experiment. Fluorescent tests of seeds of open-pollinated and single-crossed progeny of four annual ryegrass sources were used...
Resource Type:: Masters Thesis
Full Text:: to Drs. D. O. Chilcote, R. Bogart and H. Becker for serving on the examining committee and for

Creator:: Cooper, Clee Scott
Abstract:: Field, greenhouse, growth chamber and laboratory experiments evaluated factors affecting establishment, survival and production of birdsfoot trefoil (Lotus corniculatus L.) and alfalfa (Medicago sativa L.) Field studies investigated the effects of a barley companion crop, seedling year harvest management and nitrogen and phosphorus fertilization upon stands, survival and subsequent production...
Resource Type:: Dissertation
Full Text:: , Dr. M. D. Dawsonr DE. H. J. Evansr Dr. D. O, Chilcote and Dr. H. P. Hansen for their encouragement

Creator:: Bradner, Norman Richard
Abstract:: The objectives of this study were (a) to measure the amount of cross-pollination caused by three bee species at 10, 20 and 40 rods distance from a foreign pollen source, (b) to measure the effects of bee species, planting pattern and season on broad sense heritability estimates for seed yield...
Resource Type:: Dissertation
Full Text:: Department Dr. W. H. Foote, Farm Crops Department Dr. W. W. Chilcote, Botany Department. TABLE OF

Creator:: Lee, William O., 1911-
Abstract:: A study was conducted on German velvetgrass (Holcus mollis L.), a weedy, rhizomateous perennial grass introduced in the United States in relatively recent years, The purpose of this study was to learn more about its distribution, growth habits, and control under conditions found in Western Oregon. German velvetgrass infestations of...
Resource Type:: Dissertation
Full Text:: Graduate cornrnittee, Drs. T. M. ching, w. w. chilcote, and. v. H. Freed for help and suggestions

Creator:: Brenchley, Ronald Glenn
Abstract:: Studies were conducted to determine the nature of the interaction between atrazine (2-chloro-4-ethylamino-6-isopropylaminos- triazine) and magnesium on tomatoes. This interaction was studied under two light regimes: continuous light and a 12-hour photoperiod. Tomato plants were grown in sand cultures at three levels of magnesium fertilization. Four weeks after planting, atrazine...
Resource Type:: Dissertation
Full Text:: . William W. Chilcote, W. R. Furtick, and Frank H. Smith for serving as members of the graduate committee

Creator:: Thomas, Johnny Ray
Abstract:: Estimates of heritability and associations of tiller number, seed number, seed weight, and seed yield were determined in two groups of tall fescue. Group E was early maturing and had eight parental clones, while group I was intermediate in maturity and had nine parental clones. The parents and five progeny...
Resource Type:: Dissertation
Full Text:: , Dr. W. H. Foote and Dr. W. E. Kronstad for their assistance in reviewing the manuscript and to Dr

Creator:: Peterson, C. J.
Abstract:: Seven winter wheats were evaluated for plant height, the components of yield and yield in a diallel cross at Pendleton, Oregon and Lind, Washington. An additional parent was added to the diallel cross at Pullman, Washington. Two levels of nitrogen and five replications were utilized at each of the locations....
Resource Type:: Dissertation
Full Text:: throughout the course of the research. He is also grateful to Dr. R. J. Metzger, Dr. W. H. Foote, Dr. R. L

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