Index Catalog // ScholarsArchive@OSU

Quantitative trait loci influencing free-threshing habit and spike morphology in wheat (Triticum aestivum L.)

Creator:: Jantasuriyarat, Chatchawan
Abstract:: Spike morphology characteristics and the free-threshing habit of wheat have been extensively investigated because of their evolutionary significance and practical importance. Several genetic systems that govern these traits have been reported. Some studies suggest polygenic inheritance while others have identified major genes. This study was conducted to identify and locate...
Resource Type:: Masters Thesis
Full Text:: approved: Oscar Riera-Lizarazu Spike morphology characteristics and the free-threshing habit of wheat

Triticum enhancer of zeste 1 (Tezl), a homolog of enhancer of zeste in Triticum monococcum

Creator:: Nunes, Jason L.
Abstract:: The Polycomb group (PcG) of genes of Drosophila melanogaster Meigen are involved in developmental regulation through chromatin remodeling. Homologs of PcG genes have been identified in both plant and animal species. In this study, we detail the identification and characterization of Triticum enhancer of zeste 1 (Tez1), a homolog of...
Resource Type:: Masters Thesis
Full Text:: Homolog of Enhancer of Zeste in Triticum monococcum Abstract approved: Oscar Riera-Lizarazu The

Jointed goatgrass (Aegilops cylindrica Host) genetic diversity and hybridization with wheat (Triticum aestivum L.)

Creator:: Gandhi, Harish Tulshiramji
Abstract:: Jointed goatgrass (Aegilops cylindrica Host; 2n=4x=28; CCDD) is an agriculturally important species both as a weed and as a genetic resource for wheat (Triticum aestivum L.; 2n=6x=42; AABBDD) improvement. In order to better understand the evolution of this species, the diversity of Ae. cylindrica was evaluated along with its progenitors,...
Resource Type:: Dissertation
Full Text:: , following is an attempt. I express my sincere thanks to Dr. Oscar Riera-Lizarazu for serving as my co

Identification of quantitative trait loci underlying kernel extra-softness and related traits by linkage and association mapping in wheat (Triticum aestivum L.)

Creator:: Wang, Guomei
Abstract:: Kernel hardness (KHA) is a major factor determining break flour yield (BFY) and end-use quality of common wheat (Triticum aestivum L.). Within the soft wheat class, genotypes with consistently softer grains than common soft wheat are considered to be 'extra-soft'. In addition, 'extra-soft' wheats have greater BFY than common soft...
Resource Type:: Dissertation
Full Text:: : Oscar Riera-Lizarazu Ryan N

Nuclear and chloroplast diversity of Pacific Northwest wheat (Triticum aestivum) breeding germplasm

Creator:: Edwards, Melanie Love
Abstract:: Wheat breeders must effectively maintain and manage existing genetic diversity in order to continue the development of superior genotypes. It is therefore fundamental that the genetic relationships and diversity within the germplasm pools be thoroughly characterized and understood. Recently, DNA-based markers have provided powerful tools for genetic diversity analysis. This...
Resource Type:: Masters Thesis
Full Text:: to my major professors, Dr. Oscar Riera- Lizarazu and Dr. Jim Peterson for their guidance and

Sensitivity of wheat genotypes to a toxic fraction produced by Cephalosporium gramineum and correlation with disease susceptibility

Creator:: Rahman, Mahfuzur
Abstract:: Cephalosporium stripe, caused by the soil-borne ascomycete Cephalosporium gramineum, is becoming an increasingly important disease of winter wheat (Triticum aestivum) in several areas of the world, especially where stubble mulch is practiced to maintain soil moisture and prevent erosion. As cultural control of the disease is infeasible and no fungicides...
Resource Type:: Masters Thesis
Full Text:: AUThOR Dr. Oscar Riera-Lizarazu was involved in the analysis of ITMI mapping progeny evaluation data

Pyramiding quantitative trait loci conditioning partial resistance to Sclerotinia sclerotiorum in bush blue lake green beans (Phaseolus vulgaris)

Creator:: Barrett, Miles Andrew
Abstract:: Sclerotinia sclerotiorum (Lib.) de Bary is a necrotrophic pathogen capable of causing white mold, a severe disease in common bean. White mold is of particular concern to the Oregon snap bean processing industry, where processors allow less than 3% incidence in harvested shipments. Breeding for white mold resistance in beans...
Resource Type:: Masters Thesis
Full Text:: Riera- Lizarazu for serving on the graduate committee. They have opened their classrooms and their

The relationship of protein composition to end-product functionality of hard white wheat

Creator:: Gehlhar, Sarah Bronwen
Abstract:: Improving quality of hard white wheat (HW) cultivars in the Pacific Northwest is important to expand exports to Asia. Asian food processors prefer HW grain that can satisfy an array of baking needs, as well as produce superior quality noodle products. Three experimental populations were developed from single cross and...
Resource Type:: Dissertation
Full Text:: encouragement and enlightenment into the world of education. Thanks to Dr. Oscar Riera-Lizarazu for his

Jointed goatgrass : outcrossing, competition with winter wheat, and response to timing and rate of imazamox

Creator:: Cannon, Joshua B.
Abstract:: Jointed goatgrass (Aegilops cylindrica Host.) is a serious weed problem in wheat (Triticum aestivum L.) production in the United States. Studies were conducted to determine the outcrossing rate, competitive ability, and effectiveness of certain control practices on jointed goatgrass. A field study was conducted over two years at four locations...
Resource Type:: Masters Thesis
Full Text:: Peachey and Oscar Riera-Lizarazu for serving on my graduate committee. The quality of my experience here

Phenotypic response and quantitative trait loci for resistance to Cephalosporium gramineum in winter wheat

Creator:: Quincke, Martin C.
Abstract:: Cephalosporium stripe (Cephalosporium gramineum) is an important disease limiting adoption of conservation tillage practices in the Pacific Northwest. The disease can cause severe loss of grain yield and quality in winter wheat (Triticum aestivum L.). Modified cultural practices can reduce disease incidence, but are not always dependable because of variation...
Resource Type:: Dissertation
Full Text:: Riera-Lizarazu, Dr. Patrick Hayes and Dr. Edward Peachey (Graduate School representative), for serving

ScholarsArchive@OSU

Quantitative trait loci influencing free-threshing habit and spike morphology in wheat (Triticum aestivum L.)

Triticum enhancer of zeste 1 (Tezl), a homolog of enhancer of zeste in Triticum monococcum

Jointed goatgrass (Aegilops cylindrica Host) genetic diversity and hybridization with wheat (Triticum aestivum L.)

Identification of quantitative trait loci underlying kernel extra-softness and related traits by linkage and association mapping in wheat (Triticum aestivum L.)

Nuclear and chloroplast diversity of Pacific Northwest wheat (Triticum aestivum) breeding germplasm

Sensitivity of wheat genotypes to a toxic fraction produced by Cephalosporium gramineum and correlation with disease susceptibility

Pyramiding quantitative trait loci conditioning partial resistance to Sclerotinia sclerotiorum in bush blue lake green beans (Phaseolus vulgaris)

The relationship of protein composition to end-product functionality of hard white wheat

Jointed goatgrass : outcrossing, competition with winter wheat, and response to timing and rate of imazamox

Phenotypic response and quantitative trait loci for resistance to Cephalosporium gramineum in winter wheat

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