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Genotype-environment interaction in winter wheat F₁ progeny

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:: B-E 35.03 A -F 168. 27 C-G 6. 93 B -I' 2 59.8 F-G 5.63 E-I 23.79 G-H 11.31 L 2.10 A-E 35.74 A -E 15

Prediction of kernel hardness and grain protein based on the performance of F₃ and F₄ populations derived from ten wheat crosses (Triticum aestivum L. em Thell)

Creator:: Hazar, Necati
Abstract:: Ten wheat crosses (four winter x spring and six winter x winter) involving F₃ and F₄ generations and their respective winter parents were used to determine whether the early generation selection would be effective for kernel hardness and grain protein content. In 1980, twenty individual F₂ plants were selected with...
Resource Type:: Masters Thesis
Full Text:: winter parent were ob- served for both kernel hardness and percent grain protein in both F 3 and F 4

Potential reciprocal differences for selected traits in six different F₁ wheat populations

Creator:: Stein, Ira Steven
Abstract:: Concerns about the possible reciprocal differences resulting from systematic crossings of winter and spring wheat gene pools prompted this investigation. If traits can be improved by simply reversing the direction of a cross, then identification of the best female parent in a cross would be helpful for breeding programs. Two...
Resource Type:: Masters Thesis
Full Text:: Selected Traits in Six Different F 1 Wheat Populations , roved: Redacted for PrivacyAbstract app Dr

The influence of plant densities on gene action estimates and associations in seven winter wheat parents and their F₂ progeny

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:: F 2 progeny from a diallel cross involving seven winter wheat parents along with the parents were

Duration and rate of the grain filling period and subsequent grain yield in crosses between facultative and winter wheat cultivars (Triticum aestivum L. em Thell)

Creator:: Mou, Beiquan
Abstract:: Concerns about the genetic control and environmental influence of various stages of development including the grain filling period, and the relationship between early maturity and grain yield prompted this study. The experimental material consisted of two facultative and two winter wheat cultivars. A dial!el cross, excluding reciprocals, was also developed...
Resource Type:: Masters Thesis
Full Text:: . Petersen and B. J. Schrumpf for serving on my graduate committee and giving their time and expertise

Factors associated with stand establishment and subsequent grain yield of seven wheat cultivars and selected progeny (Triticum aestivum, L em thell) when grown under three diverse environments

Creator:: Vahabian, Mohammad Ali
Resource Type:: Dissertation
Full Text:: . Thanks are extended to Dr. W. E. Kronstad, Dr. F. F. Bolton, Dr. M. L. Powelson, Dr. R. J. Metzger, Dr

Identification and development of cultural practices for upland rice production systems for savanna soils of Colombia

Creator:: Leal-M, Dario
Abstract:: A great potential for increasing upland rice production exists in the savanna soils of Colombia. These vast areas are currently underutilized. However, they have good soil structure, flat topography, coupled with sufficient and well distributed rainfall, making savanna soils ideal for upland rice cropping system. The major constraints to upland...
Resource Type:: Dissertation
Full Text:: to Dr. Willis L. McCuistion, Thomas L. Jackson, David G. Faulkenberry and Stanley F. Miller for

Evaluation of four quality factors in a selected winter x spring wheat cross (Triticum aestivum Vill., Host)

Creator:: Schumaker, Karen Sue
Abstract:: The nature of the genetic variation associated with a cross involving winter and spring wheat parents for four quality factors was evaluated. Yamhill, a soft white winter wheat, and Inia 66, a hard red spring wheat, were selected as parents for this study. They represented distinctly different phenotypes for the...
Resource Type:: Masters Thesis
Full Text:: (%) Hardness (%) Sedimentation (cm) Yamhill Inia 66 F 1 F 2 BC I BC Y 10.48 a* 11.27 b 9.74c 10.78

Inheritance and association of earliness and grain yield in four winter x spring wheat crosses (Triticum aestivum L. em Thell.)

Creator:: Firat, Ahmet Ertug
Abstract:: Parental and segregating populations derived from four winter x spring wheat crosses were investigated to obtain information concerning the inheritance and association of earliness, grain yield and yieldrelated traits. Feasibility of selecting in early generations for these characteristics was also evaluated. Four winter wheat cultivars (Hyslop, Yamhill, Bezostaia 1, and...
Resource Type:: Masters Thesis
Full Text:: of F 1 -midparent deviations, degree of domi- nance, heritability in the narrow sense and genetic

Possible association between dwarfing genes Rht₁ and Rht₂ and the reaction to Septoria tritici blotch in winter wheat (Triticum aestivum L. em Thell)

Creator:: Baltazar, Baltazar
Abstract:: Four isogenic lines possessing different combinations of height reducing genes Rht₁ and Rht₂ from 'Norin 10' were crossed to a short stature, early maturing, septoria susceptible cultivar identified as the 'Tibet Dwarf'. The isogenic lines originated from the backcross population of 'Itana'/3/'Norin 10'/'Brevor 14'//6*'Itana'. Parents, F₁ and F₂ generations provided...
Resource Type:: Masters Thesis
Full Text:: . Corvallis, Oregon, 1985-1986. 34 36 37 8 Observed and calculated means, number of genes in the F?, and

ScholarsArchive@OSU

Genotype-environment interaction in winter wheat F₁ progeny

Prediction of kernel hardness and grain protein based on the performance of F₃ and F₄ populations derived from ten wheat crosses (Triticum aestivum L. em Thell)

Potential reciprocal differences for selected traits in six different F₁ wheat populations

The influence of plant densities on gene action estimates and associations in seven winter wheat parents and their F₂ progeny

Duration and rate of the grain filling period and subsequent grain yield in crosses between facultative and winter wheat cultivars (Triticum aestivum L. em Thell)

Factors associated with stand establishment and subsequent grain yield of seven wheat cultivars and selected progeny (Triticum aestivum, L em thell) when grown under three diverse environments

Identification and development of cultural practices for upland rice production systems for savanna soils of Colombia

Evaluation of four quality factors in a selected winter x spring wheat cross (Triticum aestivum Vill., Host)

Inheritance and association of earliness and grain yield in four winter x spring wheat crosses (Triticum aestivum L. em Thell.)

Possible association between dwarfing genes Rht₁ and Rht₂ and the reaction to Septoria tritici blotch in winter wheat (Triticum aestivum L. em Thell)

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