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Genetic variability for kernel hardness in two soft winter wheat (Triticum aestivum L.) cultivators

Creator:: Albahouh, Muhammed S.
Abstract:: To remain competitive in the international marketplace, soft white wheat cultivars grown in the Pacific Northwest must have consistent and predictable flour properties including kernel texture. As a consequence, there is a need to develop wheat cultivars for specific end uses. Wheat cultivars with very soft kernels are used largely...
Resource Type:: Masters Thesis
Full Text:: the degree of Master of Science in Crop and Soil Sciences presented on April 15, 1992. Title

Effect of row spacings, seeding rates and nitrogen fertilizer rates on the agronomic performance of Yamhill and Hysolop wheat (Triticum aestivum L.)

Creator:: Chemli, Mohamed
Abstract:: The response of two newly released cultivars of winter wheat when grown under different row spacings, seeding rates and nitrogen levels were investigated. Measurements made included grain yield, tiller number per unit area, plant height, 300 kernel weight, bushel weight and protein content of the grain. Hyslop and Yamhill cultivars...
Resource Type:: Masters Thesis
Full Text:: ). In Iran, Hojjati and Maleki (15) observed no effect on wheat grain yield by application of 50 or 100

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:: cultivars in rows 15 cm apart, with a rate of seeding of 60 Kg/ha. Significantly higher yield was obtained

Production of haploid plants in selected winter wheat genotypes through anther culture and intergeneric crosses with maize

Creator:: Mendoza, Maria Graciela
Abstract:: A higher level of efficiency in the production of doubled-haploids must be achieved if this procedure is to be beneficial in plant improvement. Of equal importance is the development of protocols, which are not genotypic specific and result in progeny that represent a random sample of gametes from the parental...
Resource Type:: Dissertation
Full Text:: was more responsive for plantlet Redacted for privacy regeneration on P2 medium. No differences in

A comparison of three systems of phenotypic selection for grain yield in three spring barley populations

Creator:: Hayes, Patrick M.
Abstract:: Concerns regarding the most effective means of evaluating segregating generations of spring barley prompted this investigation. Three methods of selection were considered: bulk, pedigree, and single seed descent. F₆ lines derived by each method were grown in a replicated yield trial. The effectiveness of each method was measured in terms...
Resource Type:: Masters Thesis
Full Text:: plants/15 cm pot) 19% plant losses were observed with no deviations from the theoretical gene

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:: dominance for early heading, a range from no to complete dominance for early flowering and no dominance for

Possible compensations of the components of grain yeild in wheat (Triticum aestivum L.) as influenced by genotype by environment interactions

Creator:: Bedoshvili, David
Abstract:: Despite many investigations genotype by environment interaction remains one of the least understood factors in plant improvement. Understanding genotypic differences responsible for such interactions could assist in making more informed breeding decisions. The components of yield being less complex than grain yield per se may be useful for selection to...
Resource Type:: Dissertation
Full Text:: Septoria spp. were responsible for interactions for grain yield. However, no consistent patterns of

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:: mean value approaching that of the recurrent parent. No transgressive segregation was observed in the

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:: Yamhill F 1 later heading and anthesis dates and greater 100 kernel weight were observed. No

Durum wheat quality and its relation to electrophoretic banding patterns

Creator:: Encinas-Mungarro, Andrés
Abstract:: Physical properties of gluten and pigment content are of primary importance in determining quality in durum wheat (Triticum turqidum L. var. durum). The objective of this investigation was to evaluate the contribution of different -y-gliadin protein subunits in durum wheat pasta quality as measured by the sodium dodecyl sulphate microsedimentation...
Resource Type:: Masters Thesis
Full Text:: cultivars having band 42 as evidenced by the low SDS microsedimentation values. No clear association was

ScholarsArchive@OSU

Genetic variability for kernel hardness in two soft winter wheat (Triticum aestivum L.) cultivators

Effect of row spacings, seeding rates and nitrogen fertilizer rates on the agronomic performance of Yamhill and Hysolop wheat (Triticum aestivum L.)

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

Production of haploid plants in selected winter wheat genotypes through anther culture and intergeneric crosses with maize

A comparison of three systems of phenotypic selection for grain yield in three spring barley populations

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)

Possible compensations of the components of grain yeild in wheat (Triticum aestivum L.) as influenced by genotype by environment interactions

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

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

Durum wheat quality and its relation to electrophoretic banding patterns

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