Index Catalog // ScholarsArchive@OSU

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:: thesis to any reader upon request. M. etc a endoza Agurto. Author Redacted for privacy Redacted for

Applications in plant breeding : end-use quality, tissue culture propagation systems, and outreach for K-12 education

Creator:: Halstead, Margaret A.
Abstract:: This thesis consists of five chapters: a general introduction, two manuscripts, a collection of published lesson plans, and a general conclusion. The works collected herein are united by the common theme of practical applications in plant breeding. The first manuscript reports a study performed on five malting barley lines grown...
Resource Type:: Masters Thesis
Full Text:: contributions to malting quality Dr. Patrick Hayes, and Scott Fisk (all of Department of Crop and Soil

Farmer perspectives on the transition to organic agriculture : an Oregon study of farmer motivations and barriers

Creator:: Lloyd, Deanna M.
Abstract:: In the midst of double-digit growth in market demand for organic products, there is a lag in the growth of certified organic production in the United States. This thesis investigated the motivations and barriers farmers face when making the transition to organic agriculture. Three distinct organic farmer typologies were identified:...
Resource Type:: Masters Thesis
Full Text:: Deanna M. Lloyd for the degree of Master of Science in Crop Science presented on November 21, 2016

Influence of leaf types on canopy architecture and grain yield in selected crosses of spring wheat Triticum aestivum L.

Creator:: Vanavichit, Apichart
Abstract:: The effects of erect leaf canopies on enhancing grain yield in wheat is not understood. The main objective of this study was to understand the effect of leaf angle on grain yield by comparing randomly derived-lines from crosses of erect and droopy leaf spring wheats. Nine traits associated with canopy...
Resource Type:: Dissertation
Full Text:: . Appreciation is extended to Drs. Patrick M. Hayes, David R. Thomas and Garvin Crabtree for serving on my

Estimates of genetic variability resulting from single, top, and double cross populations in durum wheat (Triticum turgidum L. var. durum)

Creator:: Abdennadher, Mourad
Abstract:: The success of a plant breeding program depends upon the availability of useable genetic diversity. Such diversity may be enhanced depending on the type of hybridization strategy employed. Segregating progenies resulting from F2 populations, a double cross, and a top cross were compared for the amount of useable genetic diversity...
Resource Type:: Masters Thesis
Full Text:: the preparation of this thesis. I sincerely thank Dr. Patrick M. Hayes, Dr. David R. Thomas, and Dr

Mapping quantitative trait loci underlying genome-wide recombination rate and mating system differences in meadowfoam

Creator:: Kishore, Venkata Krishna
Abstract:: Meadowfoam (Limnanthes alba Bentham; Order: Brassicales; Family: Limnanthaceae) is a self-compatible, predominantly allogamous, insect pollinated species. Meadowfoam oil is a source of novel unsaturated very-long-chain (VLC) seed oils (C₂₀ and C₂₂) with low concentrations of saturated fatty acids (typically less than 2%) and outstanding oxidative stability. Here we report the...
Resource Type:: Dissertation
Full Text:: committee, Dr. Patrick M. Hayes. Dr. James C Peterson, Dr. Tony Chen and Dr. Gregory Thompson for their

Crossing behavior, RAPD analysis and chlorophyll flourescence in relationship to the geographic adaption of birdsfoot trefoil (Lotus corniculatus L.)

Creator:: García de los Santos, Gabino
Abstract:: Birdsfoot trefoil (Lotus corniculatus L.) is a popular perennial, non-bloating forage legume used for pasture, hay and silage throughout the temperate regions of Europe, Asia Minor, North Africa and North and South America. It is regarded as the most morphologically and biochemically variable species in the genus. Research investigating the...
Resource Type:: Dissertation
Full Text:: . Griffith, Dr. Aaron Liston, Dr. Patrick M. Hayes, and Dr. Russell S. Karow, for their suggestions and

DNA fingerprinting and genome mapping in meadowfoam

Creator:: Katengam, Sureeporn
Abstract:: Marker information in the new oilseed crop, meadowfoam, is limited. Molecular markers to facilitate meadowfoam breeding and cultivar improvement are not available. The knowledge of genetic relationships among recent germplasm is not known. The objectives of this study were (i) to gain an understanding of genetic diversity and relationship patterns...
Resource Type:: Dissertation
Full Text:: thanks are extended to Dr. Barbara M. Reed, Dr. Patrick M. Hayes, Dr. Jim Myers, and Dr. Kermit Cromack

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:: . Patrick M. Hayes, and Dr. Gary P. Klinkhammer for serving on my graduate committee. Thanks are also

Frequency, Distribution, Ploidy Diversity and Control Options of Herbicide Resistant Italian Ryegrass (Lolium perenne L. spp. multiflorum (Lam.) Husnot) Populations in Western Oregon

Creator:: Bobadilla, Lucas K.
Abstract:: Italian ryegrass (Lolium perenne L. spp. multiflorum (Lam.) Husnot) is one of the most troublesome weeds with respect to herbicide resistance selection. Some reasons for this are the numerous documented cases of multiple and cross herbicide resistance and some of the biological characteristics of this species, such as wind cross-pollination...
Resource Type:: Masters Thesis
Full Text:: Mallory-Smith, Dr. Marcelo L. Moretti, Dr. Patrick Hayes, and Dr. Ricardo Mata- Gonzalez. I want to

ScholarsArchive@OSU

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

Applications in plant breeding : end-use quality, tissue culture propagation systems, and outreach for K-12 education

Farmer perspectives on the transition to organic agriculture : an Oregon study of farmer motivations and barriers

Influence of leaf types on canopy architecture and grain yield in selected crosses of spring wheat Triticum aestivum L.

Estimates of genetic variability resulting from single, top, and double cross populations in durum wheat (Triticum turgidum L. var. durum)

Mapping quantitative trait loci underlying genome-wide recombination rate and mating system differences in meadowfoam

Crossing behavior, RAPD analysis and chlorophyll flourescence in relationship to the geographic adaption of birdsfoot trefoil (Lotus corniculatus L.)

DNA fingerprinting and genome mapping in meadowfoam

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

Frequency, Distribution, Ploidy Diversity and Control Options of Herbicide Resistant Italian Ryegrass (Lolium perenne L. spp. multiflorum (Lam.) Husnot) Populations in Western Oregon

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