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Creator:: Charoenwatana, Terd, 1937-
Abstract:: The effectiveness of early generation selection for yield and yield stability and the possible identification of superior parental combinations were studied in winter wheat populations representing different levels of genetic diversity. Experimental material for evaluating yield stability consisted of nine bulk and seven modified bulk populations derived from nine parental...
Resource Type:: Dissertation
Full Text:: (Name) Ph. D. (Degree) in FARM CROPS presented on July 29, 1970 (Major) Title: EVALUATION OF THREE

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:: -M 35.65 D-K 332.40 G-j 12.05 A2 87.3 P-Q 11.55 I-0 36.43 K-P 14.81 S -V 2.45 F-L 35.08 D-L 329.40 G

Creator:: Hsu, Kay Yong-Yong
Abstract:: The seeds of Douglas fir, a representative of the gymnosperm flora, were studied at six stages of germination to discern the structures of food reserves and to study ultrastructural changes occurring during germination in the embryo and resulting seedlings. The materials were fixed in three fixatives, dehydrated with ethanol series,...
Resource Type:: Masters Thesis
Full Text:: - Ì . . 441I y _'Í . f! E - t4 7 .: ,, r _ I.*. d. , ' _r.i. . , f I¢. tr r-. ' 'p/ . (/ r ÿ

Creator:: Ganapathy, Mapangada Chengappa
Abstract:: Six wheat hybrids from two sets of parents and their respective parents were grown at Hyslop Agronomy Farm near Corvallis, Oregon in the year 1965-66. The object of the experiment was to evaluate the influence of population densities and different planting patterns on grain yield and factors which determine grain...
Resource Type:: Dissertation
Full Text:: until 30 to 40 percent; however, a sharp I N T E R C E P T E D % J 100 80 60 40 I

Creator:: Saini, Surinder Kumar
Abstract:: The F₂ progeny from a diallel cross involving seven winter wheat parents along with the parents were grown at the Hyslop Agronomy Farm near Corvallis, Oregon to determine the influence of three plant densities on gene action estimates for yield and its primary components. The plant densities were designed to...
Resource Type:: Dissertation
Full Text:: manuscript. Thanks are also extended to Drs. R. Bogart, W. H. Foote, D. 0. Chilcote and W. W. Chilcote for

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