Index Catalog // ScholarsArchive@OSU

Environmental Factors Affecting Phytophthora Root Rot of Rhododendron

Creator:: Mestas, Angie
Abstract:: Phytophthora root rot decreases availability and quality of rhododendrons produced in the USA. Symptoms of Phytophthora root rot include root necrosis, leaf chlorosis, stunting, and permanent wilt. The purpose of this thesis was to better understand the impact of root damage, soil moisture, nitrogen fertilizer application, and pathogen species on...
Resource Type:: Masters Thesis
Full Text:: , Jay Pscheidt, Shawn Mehlenbacher, and also to Annie Davis, Bryan Beck, Jesse Mitchell, Marj Storm

Grape Powdery Mildew Management: The Interaction Between Inflorescence Stage and Fungicide Chemistry

Creator:: Warneke, Brent W.
Abstract:: Grape powdery mildew (GPM, causal agent Erysiphe necator) is the most economically important disease of grapevine in the Western U.S. Low levels of GPM infection on clusters (1-5%) can negatively affect wine sensory quality, so intensive fungicide programs are common. This may lead to problems like excessive fungicide use and...
Resource Type:: Masters Thesis
Full Text:: and agriculture; Jay Pscheidt for his teaching and sharing knowledge of the grape industry; Shawn

Effect of Regulated Deficit Irrigation on Malbec and Syrah Grape and Wine Quality

Creator:: Yuan, Xiaoxi
Abstract:: The water status of grape vine throughout the growing season is a primary determinant of vine vigor and berry composition. The concentrations of volatile compounds and precursors in grape berries are highly influenced by viticultural practices. Imposing a water deficit on the vine during berry development is an important vineyard...
Resource Type:: Masters Thesis
Full Text:: . James Osborne, Dr. Elizabeth Tomasino and Dr. Shawn Mehlenbacher for serving as my committee members

Validation of Molecular Markers Associated with Perpetual Flowering (PF) and Soluble Solids Content (SSC) in Strawberry (Fragaria xananassa Duch. ex Rozier)

Creator:: Salinas, Natalia R.
Abstract:: Strawberry is economically the most important berry crop grown worldwide and breeders are continuously striving to develop improved cultivars. So far, marker assisted breeding (MAB) in strawberry has been limited to the private sector. However, loci controlling some traits of economic importance such as perpetual flowering (PF) and soluble solids...
Resource Type:: Masters Thesis
Full Text:: parents but above all for being such respectable people. Thanks to Aaron Liston and Shawn

Phenotyping diverse strawberry (Fragaria spp.) germplasm for aid in marker- assisted breeding, and marker-trait association for red stele (Phytophthora fragariae) resistance marker Rpf1

Creator:: Mathey, Megan M.
Abstract:: Strawberry is one of four crops included in the USDA-NIFA Specialty Crop Research Initiative-funded RosBREED project along with apple, peach, and cherry. Phenotyping strawberry for specific horticultural and commercial traits is important to identify associations with genotypic marker(s). This process is the first step in translating genomic knowledge into enhanced...
Resource Type:: Masters Thesis
Full Text:: meaning of my research. And my committee member Dr. Shawn ! Mehlenbacher, who not only taught great

Genetic analysis of malt extract and grain yield in a spring barley (Hordeum vulgare L.) cross

Creator:: Ozdemir, Ergun
Resource Type:: Masters Thesis
Full Text:: committee: Dr. Shawn Mehlenbacher, Dr. Steven Knapp, and Dr. Andrew Hashimoto for their advice and

Seed protein and chromosome number analyses of experimental wheat x jointed goatgrass (Aegilops cylindrica Host) hybrid derivatives

Creator:: Crémieux, Lis︡ele
Abstract:: The occurrence of seed-producing wheat x jointed goatgrass hybrids in infested wheat fields suggests the possibility of gene flow between the two species. This study investigates 'Madsen' wheat x jointed goatgrass F₁ and reciprocal backcross derivatives produced in experimental field plantings. Electrophoresis of the high molecular weight (HMW) glutenin seed...
Resource Type:: Masters Thesis
Full Text:: University. Special thanks are extended to: Drs. Oscar Riera-Lizarazu, Shawn Mehienbacher, and Richard

Single nucleotide polymorphism diversity in domesticated and wild sunflowers

Creator:: Freeman, Carrie
Abstract:: Single nucleotide polymorphisms (SNPs) are the most common DNA polymorphisms in plant and animal genomes. SNPs were identified in the allele sequences of up to 12 sunflower (Helianthus annuus L.) genotypes for a genome-wide sample of 81 loci originally mapped using restriction fragment length polymorphism (RFLP) markers. The RFLP loci...
Resource Type:: Masters Thesis
Full Text:: committee, Dr. Shawn Mehienbacher, Dr. Carol Mallory-Smith, and Dr. Marjorie Reed for generously offering

Localization and genetic mapping of some factors influencing rachis brittleness and free-threshing habit in wheat

Creator:: Nalam, Vamsi J.
Abstract:: Domesticated forms of wheat exhibit traits that have increased their adaptation to cultivation by humans. Some of the most critical adaptive differences involve changes to morphological features that make the crop easier to harvest like ear rachis stiffness (brittle to non-brittle rachis) and the ease with which the seed is...
Resource Type:: Masters Thesis
Full Text:: for the hours of editing. I also extend my thanks to my committee members Dr. Shawn Mehlenbacher, Dr

The inheritance of pod detachment force in green beans (Phaseolus vulgaris L.)

Creator:: McCluskey, Rebecca L.
Abstract:: The easy picking characteristic, expressed as low pod detachment force (PDF), offers a way to decrease pod damage in bush green beans mechanically harvested for processing and fresh market, and makes hand picking easier and faster. This study was undertaken to examine inheritance in a cross of two green bean...
Resource Type:: Masters Thesis
Full Text:: way I look at plants. I would also like to thank my committee members Drs. Lori Cramer, Shawn

ScholarsArchive@OSU

Environmental Factors Affecting Phytophthora Root Rot of Rhododendron

Grape Powdery Mildew Management: The Interaction Between Inflorescence Stage and Fungicide Chemistry

Effect of Regulated Deficit Irrigation on Malbec and Syrah Grape and Wine Quality

Validation of Molecular Markers Associated with Perpetual Flowering (PF) and Soluble Solids Content (SSC) in Strawberry (Fragaria xananassa Duch. ex Rozier)

Phenotyping diverse strawberry (Fragaria spp.) germplasm for aid in marker- assisted breeding, and marker-trait association for red stele (Phytophthora fragariae) resistance marker Rpf1

Genetic analysis of malt extract and grain yield in a spring barley (Hordeum vulgare L.) cross

Seed protein and chromosome number analyses of experimental wheat x jointed goatgrass (Aegilops cylindrica Host) hybrid derivatives

Single nucleotide polymorphism diversity in domesticated and wild sunflowers

Localization and genetic mapping of some factors influencing rachis brittleness and free-threshing habit in wheat

The inheritance of pod detachment force in green beans (Phaseolus vulgaris L.)

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