Index Catalog // ScholarsArchive@OSU

Genomic Resources for Phylogenetics, Species Delimitation, and Geographic Localization of Neotropical Tree Species Cedrela odorata L. (Meliaceae)

Creator:: Finch, Kristen N.
Abstract:: Biodiversity loss is of global concern, and is due in part to deforestation and high consumer demand for wood and wood products. The neotropical tree species Cedrela odorata (“Spanish cedar” or “cedro”) is economically valuable for its wood and faces threats of overexploitation. Due to strong similarities in wood features...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ F. Andrew Jones Biodiversity loss is of global concern, and is due in part to

The Primary Disease Gradient of Wheat Stripe Rust (Puccinia striiformis f. sp. tritici) Across Spatial Scales

Creator:: Farber, Daniel
Abstract:: Wheat stripe rust (WSR), also called yellow rust of wheat (Tricitum spp.), causal agent Puccinia striiformis f.sp. tritici (Pst), is a foliar disease of major economic importance on wheat, especially grown in temperate locations. WSR causes major losses of wheat yield, estimated at nearly $ 1 billion per year, and...
Resource Type:: Dissertation
Full Text:: Christopher C. Mundt Wheat stripe rust (WSR), also called yellow rust of wheat (Tricitum spp.), causal

Cephalosporium stripe of wheat : seedling-based resistance screening and pathogenic variability

Creator:: Cowger, Christina
Abstract:: Cephalosporium stripe of wheat (Triticum aestivum), caused by the soilborne fungus Cephalosporium gramineum, results in significant yield reductions in dryland winter wheat crops of the U.S. Pacific Northwest. The development of resistant cultivars offers the best hope for disease control. Breeding for resistance is hampered by the long trial times...
Resource Type:: Masters Thesis
Full Text:: : Christopher C. Mundt Cephalosporium stripe of wheat (Triticum aestivum), caused by the soilborne fungus

Effect of wheat cultivar mixtures on populations of Puccinia striiformis races

Creator:: DiLeone, Julie A.
Abstract:: This study quantified the frequency of simple versus complex races of Puccinia striiformis Westend. in mixtures of wheat cultivars possessing different race-specific resistance genes. A simple race of a pathogen can infect only one component, and a complex race of the pathogen can infect two or more components of an...
Resource Type:: Masters Thesis
Full Text:: : Christopher C. Mundt This study quantified the frequency of simple versus complex races of Puccinia

Effects of host resistance on Mycosphaerella graminicola populations

Creator:: Cowger, Christina
Abstract:: Mycosphaerella graminicola (anamorph Septoria tritici) causes Septoria tritici blotch, a globally important disease of winter wheat. Resistance and pathogenicity generally vary quantitatively. The pathogen reproduces both sexually and asexually, and the pathogen population is highly genetically variable. Several unresolved questions about the epidemiology of this pathosystem are addressed by this...
Resource Type:: Dissertation
Full Text:: Resistance on Mycosphaerella graminicola Populations. Abstract approved: Christopher C. Mundt

Effects of single and multiple stressors on communities of wheat and wild oats

Creator:: Pfleeger, Thomas G.
Abstract:: Most plant toxicology tests developed in support of environmental laws use a single stress applied to an individual plant. While tests using individual species or stresses require fewer resources and are easier to interpret, they are under increasing criticism for being unrealistic and missing important ecological interactions. The objective of...
Resource Type:: Dissertation
Full Text:: Stressors on Communities of Wheat and Wild Oats. Abstract approved: Christopher C. Mundt Most plant

Modeling disease gradients and understanding the spread of wheat stripe rust using simulated epidemics

Creator:: Sackett, Kathryn E.
Abstract:: Primary disease gradients of wheat stripe rust, caused by the aerially dispersed fungal pathogen Puccinia striformis, were measured in Madras and Hermiston, OR in the springs of 2002 and 2003. Disease foci were created by inoculating a 1.52m x 1.52m area in each of three replicate field plots (6.1m wide...
Resource Type:: Masters Thesis
Full Text:: approved: Christopher C. Mundt Primary disease gradients of wheat stripe rust, caused by the aerially

Interrelationship of wheat cultivar mixtures, stripe rust and yield

Creator:: Akanda, Shamsul I.
Resource Type:: Dissertation
Full Text:: , Stripe Rust and Yield Abstract approved: Christopher C. Mundt Four club wheat (Triticum aestivum

Factors influencing the effects of host diversity on plant disease epidemics for wheat stripe rust and potato late blight

Creator:: Garrett, Karen A.
Abstract:: Most studies of plant disease epidemiology have focused on epidemics in host populations composed of a single genotype. But crop plant diversity can be a useful means of improving the deployment of resistance genes. In a series of experiments with wheat stripe rust and potato late blight, we studied factors...
Resource Type:: Dissertation
Full Text:: Wheat Stripe Rust and Potato Late Blight. Abstract approved: Christopher C. Mundt Most studies of

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:: ramineum and Correlation with Disease Susceptibility Abstract approved: Christopher C. Mundt Thorhas J

ScholarsArchive@OSU

Genomic Resources for Phylogenetics, Species Delimitation, and Geographic Localization of Neotropical Tree Species Cedrela odorata L. (Meliaceae)

The Primary Disease Gradient of Wheat Stripe Rust (Puccinia striiformis f. sp. tritici) Across Spatial Scales

Cephalosporium stripe of wheat : seedling-based resistance screening and pathogenic variability

Effect of wheat cultivar mixtures on populations of Puccinia striiformis races

Effects of host resistance on Mycosphaerella graminicola populations

Effects of single and multiple stressors on communities of wheat and wild oats

Modeling disease gradients and understanding the spread of wheat stripe rust using simulated epidemics

Interrelationship of wheat cultivar mixtures, stripe rust and yield

Factors influencing the effects of host diversity on plant disease epidemics for wheat stripe rust and potato late blight

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

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