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Articles 1 - 11 of 11
Full-Text Articles in Life Sciences
Laboratory Method To Estimate Rain-Induced Splitting In Cultivated Blueberries, Donna A. Marshall-Shaw, James M. Spiers, Stephen J. Stringer, Kenneth J. Curry
Laboratory Method To Estimate Rain-Induced Splitting In Cultivated Blueberries, Donna A. Marshall-Shaw, James M. Spiers, Stephen J. Stringer, Kenneth J. Curry
Faculty Publications
Preharvest rainfall that occurs when fruit are fully ripe or approaching full ripeness can result in detrimental fruit splitting in rabbiteye and southern highbush blueberries. This study was initiated to develop a laboratory method to model rain-related incidence of splitting in cultivated blueberries with the goal of predicting the incidence of splitting in blueberry cultivars and selections. Multiyear field surveys of rabbiteye and southern highbush cultivars show that the incidence of rain-related splitting is strongly cultivar-dependent. Laboratory values for forced splitting and naturally occurring rain-related field splitting data show a strong correlation indicating that the incidence of fruit splitting can …
Assessment Of Genetic Diversity In The Usda And Cip-Fao International Nursery Collections Of Quinoa (Chenopodium Quinoa Willd.) Using Microsatellite Markers, S. A. Christensen, D. B. Pratt, C. Pratt, P. T. Nelson, M. R. Stevens, Eric N. Jellen, Craig E. Coleman, Daniel J. Fairbanks, A. Bonifacio, Michael J. Maughan
Assessment Of Genetic Diversity In The Usda And Cip-Fao International Nursery Collections Of Quinoa (Chenopodium Quinoa Willd.) Using Microsatellite Markers, S. A. Christensen, D. B. Pratt, C. Pratt, P. T. Nelson, M. R. Stevens, Eric N. Jellen, Craig E. Coleman, Daniel J. Fairbanks, A. Bonifacio, Michael J. Maughan
Faculty Publications
Quinoa (Chenopodium quinoa Willd.) is a staple food crop for millions of impoverished rural inhabitants of Andean South America where it has been cultivated for millennia. Interest in quinoa, due largely to its superior nutritional characteristics, is fuelling a growing export market and has led to an increased focus on genetic research and the development of quinoa breeding programmes throughout South America. The success of these breeding programmes will rely heavily on the development of core germplasm collections and germplasm conservation. We report the development of a set of fluorescence-tagged microsatellite molecular markers that can be used to characterize genetic …
Influence Of Four Salinity Treatments On Growth And Leaf Nutrient Content Of Three Taxodium Genotypes, Lijing Zhou, David Creech
Influence Of Four Salinity Treatments On Growth And Leaf Nutrient Content Of Three Taxodium Genotypes, Lijing Zhou, David Creech
Faculty Publications
No abstract provided.
Influence Of A Modified Pot-In-Pot Production Strategy On Root Temperature And Growth Of Rhododendron × ‘Mrs. G.G. Gerbing’ In Full Sun, Brennan Whitehead, David Creech
Influence Of A Modified Pot-In-Pot Production Strategy On Root Temperature And Growth Of Rhododendron × ‘Mrs. G.G. Gerbing’ In Full Sun, Brennan Whitehead, David Creech
Faculty Publications
No abstract provided.
Spotted Cotton Oligonucleotide Microarrays For Gene Expression Analysis, Joshua Udall, Lex E. Flagel, Foo Chung, Andrew W. Woodward, Ran Hovav, Ryan A. Rapp, Jordan M. Swanson, Jinsuk J. Lee, Alan R. Gingle, Dan Nettleton, Christopher D. Town, Z. Jeffrey Chen, Jonathan F. Wendel
Spotted Cotton Oligonucleotide Microarrays For Gene Expression Analysis, Joshua Udall, Lex E. Flagel, Foo Chung, Andrew W. Woodward, Ran Hovav, Ryan A. Rapp, Jordan M. Swanson, Jinsuk J. Lee, Alan R. Gingle, Dan Nettleton, Christopher D. Town, Z. Jeffrey Chen, Jonathan F. Wendel
Faculty Publications
Microarrays offer a powerful tool for diverse applications plant biology and crop improvement. Recently, two comprehensive assemblies of cotton ESTs were constructed based on three Gossypium species. Using these assemblies as templates, we describe the design and creation and of a publicly available oligonucleotide array for cotton, useful for all four of the cultivated species. Results: Synthetic oligonucleotide probes were generated from exemplar sequences of a global assembly of 211,397 cotton ESTs derived from <50 different cDNA libraries representing many different tissue types and tissue treatments. A total of 22,787 oligonucleotide probes are included on the arrays, optimized to target the diversity of the transcriptome and previously studied cotton genes, transcription factors, and genes with homology to Arabidopsis. A small portion of the oligonucleotides target unidentified protein coding sequences, thereby providing an element of gene discovery. Because many oligonucleotides were based on ESTs from fiber-specific cDNA libraries, the microarray has direct application for analysis of the fiber transcriptome. To illustrate the utility of the microarray, we hybridized labeled bud and leaf cDNAs from G. hirsutum and demonstrate technical consistency of results. Conclusion: The cotton oligonucleotide microarray provides a reproducible platform for transcription profiling in cotton, and is made publicly available through http://cottonevolution.info.
Selection For Salt Tolerance In Tidal Freshwater Swamp Species: Advances Using Bald Cypress As A Model For Restoration (Chapter 14), David Creech
Faculty Publications
No abstract provided.
Assessment Of Genetic Diversity In The Usda And Cip-Fao International Nursery Collections Of Quinoa (Chenopodium Quinoa Willd.) Using Microsatellite Markers [Abstract], S. A. Christensen, Donald B. Pratt, C. Pratt, P. T. Nelson, M. R. Stevens, Eric N. Jellen, C. E. Coleman, D. J. Fairbanks, A. Bonifacio, Peter J. Maughan
Assessment Of Genetic Diversity In The Usda And Cip-Fao International Nursery Collections Of Quinoa (Chenopodium Quinoa Willd.) Using Microsatellite Markers [Abstract], S. A. Christensen, Donald B. Pratt, C. Pratt, P. T. Nelson, M. R. Stevens, Eric N. Jellen, C. E. Coleman, D. J. Fairbanks, A. Bonifacio, Peter J. Maughan
Faculty Publications
No abstract provided.
Ultrastructure Of Teliospores And Promycelium And Basidiospore Formation In The Four-Spored Form Of Gymnoconia Nitens, One Of The Causes Of Orange Rust Of Rubus, C. W. Mims, E. A. Richardson, Josephine Taylor
Ultrastructure Of Teliospores And Promycelium And Basidiospore Formation In The Four-Spored Form Of Gymnoconia Nitens, One Of The Causes Of Orange Rust Of Rubus, C. W. Mims, E. A. Richardson, Josephine Taylor
Faculty Publications
Orange rust of Rubus is an interesting disease because of the fact that it can be caused by three different rust fungi that produce virtually identical symptoms. One is Gymnoconia peckiana (Howe in Peck) Trotter, which is a demicyclic species, while the other two are endocyclic forms historically referred to as Gymnoconia nitens (Schwein.) Kern & H.W. Thurston. Although the spores produced on infected Rubus leaves by these latter two forms are morphologically identical to the aeciospores of G. peckiana, they actually function as teliospores. However, the teliospores of one of the forms gives rise to two-celled promycelia that …
Phenotypic Plasticity May Facilitate Invasion By Aegilops Triuncialis, Andrew R. Dyer
Phenotypic Plasticity May Facilitate Invasion By Aegilops Triuncialis, Andrew R. Dyer
Faculty Publications
One great obstacle to understanding the invasion of nonnative species into native ecosystems is the lack of information on the population biology of the invading species. In particular, morphological and physiological adaptations and potential for phenotypic plasticity will strongly influence a species’ ability to persist and spread in newly invaded ecosystems. Phenotypic plasticity can buffer populations from selection thereby allowing them to survive the establishment phase of the invasion. The annual grass Aegilops triuncialis (Poaceae, Triticeae) has become highly invasive in California (USA) and provides an opportunity to investigate the importance of phenotypic plasticity to persistence and spread in new …
Are Botanists Becoming The Dinosaurs Of Biology In The 21st Century?, Dennis W. Woodland
Are Botanists Becoming The Dinosaurs Of Biology In The 21st Century?, Dennis W. Woodland
Faculty Publications
The number of botany students, botany classes, botany departments in universities and botanists attending conventions has been declining over many years in North America. This is part of a general trend throughout the field of organismal biology, not just botany. The history leading up to the situation today in North America, is discussed and reasons are given for this trend over the last century of time. Seven ways to keep botany a viable occupation are discussed otherwise botany, in the 21st century, may go the way of the dinosaur. © 2007.
Genetic Diversity And Low Reproductive Success In Isolated Populations Of Utah Juniper (Juniperus Osteosperma, Cupressaceae), Loreen Allphin, Val J. Anderson, Amy F. Hunt
Genetic Diversity And Low Reproductive Success In Isolated Populations Of Utah Juniper (Juniperus Osteosperma, Cupressaceae), Loreen Allphin, Val J. Anderson, Amy F. Hunt
Faculty Publications
Utah juniper (Juniperus osteosperma) has greatly expanded its historical range in the western United States. Management plans for the species have focused on curtailing its encroachment into sagebrush and grassland communities. These plans often include burning or other methods of elimination. These methods may result in subdivision or fragmentation of existing juniper stands. We initiated a study at Dugway Proving Ground, a U.S. Army facility, to examine the effects of fragmentation on the reproductive success of Utah juniper in isolated populations. We used enzyme electrophoresis to quantify genetic variability in isolated populations. We also determined population reproductive success by examining …