Index Catalog // ScholarsArchive@OSU

The development and analysis of sequence-based DNA markers in sunflower for DNA fingerprinting and candidate gene analysis

Creator:: Hongtrakul, Vipa
Abstract:: Molecular DNA markers have become widely used in all areas of genetic research. The objectives of this thesis were to develop polymorphic markers in sunflower and utilize the markers for genetic and candidate gene analyses. Amplified fragment length polymorphism (AFLP) markers were used to estimate genetic similarities and assess the...
Resource Type:: Dissertation
Full Text:: concern will be forever appreciated. I am thankful to members of my graduate committee, Dr. Patrick M

Development and reproduction of convergent lady beetle feeding on green peach aphid exposed to Btt

Creator:: Dogan, Elif Barçin
Resource Type:: Masters Thesis
Full Text:: encouragement and constructive criticisms this thesis may never have come to be. I also thank Dr. Patrick M

Breeding Snap Beans for Organic Agriculture: Genomic Shifts under Different Agricultural Management Systems

Creator:: King, Ryan M.
Abstract:: Although the concept of breeding crops for organic agricultural systems has been around for decades, few studies have been reported for vegetable crops to quantify and compare how conventional and organic systems differ in their selection pressures on genotypes advancing through the breeding cycle; especially research utilizing modern sequencing capabilities....
Resource Type:: Masters Thesis
Full Text:: THE THESIS OF Ryan M. King for the degree of Master of Science in Horticulture presented on June

Nature of the inheritance of gluten strength and carotenoid pigment content in winter by spring and durum wheat crosses (Triticum turgidum L. Var. durum)

Creator:: Ammar, Karim
Abstract:: Durum wheat cultivars for North-Eastern Oregon have to be competitive in terms of their yield potential with soft white winter wheat cultivars and meet strict quality requirements of the milling industry. Combining the high yield potential of fall planted durum wheat cultivars which have an acceptable level of winter hardiness...
Resource Type:: Masters Thesis
Full Text:: and enjoyable learning experience. I would like to express my sincere appreciation to Dr Patrick M

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

Identification and distribution of the mating-type locus and development of cleistothecia of Podosphaera macularis

Creator:: Wolfenbarger, Sierra N.
Abstract:: Podosphaera macularis, causal agent of hop powdery mildew, is known to produce cleistothecia (syn. chasmothecia) in eastern North America and Europe, but ascocarps are not reported from the Pacific Northwestern region of North America. Reasons for the apparent absence of cleistothecia in the Pacific Northwest are unknown. We established that...
Resource Type:: Masters Thesis

Micropropagation and regeneration of hazelnut (Corylus species)

Creator:: Yu, Xiaoling
Abstract:: A micropropagation system was developed for hazelnut cultivars and rootstocks. Culture establishment was affected by explant source, explant collecting season, and type of explant. The highest frequency of culture initiation and lowest tissue oxidation and contamination were obtained from internodes with single axillary buds from grafted greenhouse-grown plants early in...
Resource Type:: Dissertation
Full Text:: guidance. I want to thank Drs. M.T. AliNiazee, Shawn A. Mehlenbacher, and Patrick M. Hayes for serving

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

ScholarsArchive@OSU

The development and analysis of sequence-based DNA markers in sunflower for DNA fingerprinting and candidate gene analysis

Development and reproduction of convergent lady beetle feeding on green peach aphid exposed to Btt

Breeding Snap Beans for Organic Agriculture: Genomic Shifts under Different Agricultural Management Systems

Nature of the inheritance of gluten strength and carotenoid pigment content in winter by spring and durum wheat crosses (Triticum turgidum L. Var. durum)

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

Identification and distribution of the mating-type locus and development of cleistothecia of Podosphaera macularis

Micropropagation and regeneration of hazelnut (Corylus species)

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.

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