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Genotype-environment interaction and phenotypic stability of selected winter wheats (Triticum aestivium L. em Thell)

Creator:: Larson, Mark J., 1962-
Abstract:: Extensive research has been devoted to evaluating potential genotype-environment interactions. However, plant breeders are still in need of a simple way to describe how genotypes respond to different locations and years. In an environmentally diverse state like Oregon, significant genotype-environment interactions do occur The resulting lack of association between actual...
Resource Type:: Masters Thesis
Full Text:: stability of each genotype depends on the particular lines that are evaluated in the same test and hence

Experimental studies on species relationships in T. turgidum ssp. carthlicum and T. aestivum ssp. carthlicoides

Creator:: Vieira, Luiz Gonzaga E.
Abstract:: A study of populations characteristics of T. turgidum ssp. carthlicum and T. aestivum ssp. carthlicoides was completed using numerical analysis. A sample of 74 accessions of ssp. carthlicum and 20 of ssp. carthlicoides were scored for 46 characters. It was established that three morphological distinguishable groups of ssp. carthlicum can...
Resource Type:: Dissertation
Full Text:: Experimental studies on species relationships in T

Genetic potential to enhance French bread by introgessing superior pan bread quality in selected wheat cultivars (Triticum aestivum L.)

Creator:: Jobet Fornazzari, Claudio Roberto
Resource Type:: Dissertation
Full Text:: of requiring only half a kernel, thus thousands of samples can be evaluated in a short period of

Laboratory methods for wheat variety identification

Creator:: Ait Amer Meziane, Aomar
Abstract:: There is an increasing need for development of laboratory identification procedures for purposes of plant variety protection, seed certification, quality control and consumer protection. In the past there were fewer commercial varieties and field testing methods based on morphological differences were used satisfactorily. These tests require several months to complete...
Resource Type:: Masters Thesis
Full Text:: consumer protec- tion. In the past there were fewer commercial varieties and field testing methods based

Feasibility of developing bread wheat cultivars with acceptable protein content for non-traditional areas

Creator:: Lorenzo, Ariel
Abstract:: The objective of this investigation was to evaluate the possibility of developing high yielding wheat cultivars whose flour would result in acceptable loaf volumes for non-traditional bread wheat growing areas. Spring wheat germplasm employed included high protein hexaploid derivatives from Triticum dicoccoides, and selections from Argentina with good bread milling...
Resource Type:: Dissertation
Full Text:: content of nitrogen in the grain. Stuber et al. (1962) reported a positive correlation between grain

Nitrogen management and variety selection for dryland production of hard red winter wheat in northeastern Oregon

Creator:: Jepsen, Daniel R.
Abstract:: Proper nitrogen (N) management and variety selection are important for profitable hard red winter (HRW) wheat production in the dryland growing regions of northeastern Oregon. In these dryland systems, N management for grain yield and grain protein concentration (GPC) is challenging due to climatic and year-to-year variation in production environments....
Resource Type:: Masters Thesis
Full Text:: . Title: Nitrogen Management and Variety Selection for Dryland Production of Hard Red Winter Wheat in

Yield loss assessment in nonprotected winter wheat varieties (Triticum aestivum, L. em Thell)

Creator:: Camacho Casas, Miguel Alfonso
Abstract:: The effects of some soil- and foliar-borne biotic factors on grain yield and the components of yield were evaluated using five winter wheat varieties sown at two dates. Within each planting date, varieties were grown under four different combinations of two soil treatments (fumigation and nonfumigation) and two foliar treatments...
Resource Type:: Masters Thesis
Full Text:: Assessment in Nonprotected Winter Wheat Varieties (Triticum aestivum, L. em Thell). Abstract approved

Performance of cultivars, hybrids and composites of winter wheat (Triticum aestivum L. em Thell) grown at three locations

Creator:: Verges, Ruben P.
Abstract:: The objective of this study was to compare three genetically different groups of winter wheat for their grain yield. Experimental material consisted of parental lines grown in pure stands, hybrids, and 1:1 mixtures of the parental combinations. Three sites were employed to evaluate possible interactions between the different groups across...
Resource Type:: Masters Thesis
Full Text:: Improvement wheat breeding program were evaluated in space-planted experiments at Ciudad Obregon, Sonora, in

Assessment of genetic resistance to strawbreaker foot-rot (Pseudocercosporella Herpotrichoides) in selected winter wheat (Triticum aestivum L.) cultivars

Creator:: Encinas-Mungarro, Andres
Abstract:: Strawbreaker foot-rot is a major limiting factor to cost efficient winter wheat production in the Pacific Northwest. Development of resistant cultivars has been hindered by the lack of adequate levels of genetic resistance and screening techniques which can consistently detect desired genotypes. Studies were conducted to determine if the reported...
Resource Type:: Dissertation
Full Text:: survives on stubble in a very inactive form (Deacon, 1973), but Cox and Cock (1962) were able 6 to

Perennial Ryegrass (Lolium perenne L.) Cultivar Response to a Postemergence Application of Mesotrione

Creator:: Hinds-Cook, Barbara J.
Abstract:: Perennial ryegrass (Lolium perenne L.) is a widely grown cool season, bunch type, short lived perennial grass that is native to Europe, Asia, and North Africa, but has been adapted globally. Perennial ryegrass is quick to establish, has a long growing season, and produces high seed yield and forage or...
Resource Type:: Masters Thesis
Full Text:: mesotrione. However, only twelve perennial ryegrass cultivars were evaluated in this study; therefore

ScholarsArchive@OSU

Genotype-environment interaction and phenotypic stability of selected winter wheats (Triticum aestivium L. em Thell)

Experimental studies on species relationships in T. turgidum ssp. carthlicum and T. aestivum ssp. carthlicoides

Genetic potential to enhance French bread by introgessing superior pan bread quality in selected wheat cultivars (Triticum aestivum L.)

Laboratory methods for wheat variety identification

Feasibility of developing bread wheat cultivars with acceptable protein content for non-traditional areas

Nitrogen management and variety selection for dryland production of hard red winter wheat in northeastern Oregon

Yield loss assessment in nonprotected winter wheat varieties (Triticum aestivum, L. em Thell)

Performance of cultivars, hybrids and composites of winter wheat (Triticum aestivum L. em Thell) grown at three locations

Assessment of genetic resistance to strawbreaker foot-rot (Pseudocercosporella Herpotrichoides) in selected winter wheat (Triticum aestivum L.) cultivars

Perennial Ryegrass (Lolium perenne L.) Cultivar Response to a Postemergence Application of Mesotrione

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