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Leveraging The Plant Biotechnology Toolbox For Aquaculture: Production Of Protein Therapeutants For Promoting Fish Immune Health, Lana L. Elkins 2016 Arkansas State University - Main Campus

Leveraging The Plant Biotechnology Toolbox For Aquaculture: Production Of Protein Therapeutants For Promoting Fish Immune Health, Lana L. Elkins

2nd International Conference of Fish & Shellfish Immunology

No abstract provided.


Interspecific Divergence In Foliar Nutrient Dynamics And Stem Growth In A Temperate Forest In Response To Chronic Nitrogen Inputs, Jeffrey D. May, Sarah Beth Burdette, Frank S. Gilliam, Mary Beth Adams 2016 Marshall University

Interspecific Divergence In Foliar Nutrient Dynamics And Stem Growth In A Temperate Forest In Response To Chronic Nitrogen Inputs, Jeffrey D. May, Sarah Beth Burdette, Frank S. Gilliam, Mary Beth Adams

Jeffrey May

We studied the effects of excessive nitrogen (N) fertilization on foliar nutrient dynamics and stem growth in three important tree species in a mixed-deciduous forest. Stem diameter growth, foliar N concentrations, nitrogen–phosphorus (N/P) ratios, and nutrient resorption were determined for Acer rubrum L. (ACRU), Liriodendron tulipifera L. (LITU), and Prunus serotina Ehrh. (PRSE) on two 30-year-old watersheds at the Fernow Experimental Forest, West Virginia, USA: WS3, fertilized annually with 35 kg ammonium sulfate·ha-1 since 1989, and WS7, an untreated control watershed. In an earlier (1992) study, foliar N concentrations of all three species averaged 11% higher ...


Interspecific Divergence In Foliar Nutrient Dynamics And Stem Growth In A Temperate Forest In Response To Chronic Nitrogen Inputs, Jeffrey D. May, Sarah Beth Burdette, Frank S. Gilliam, Mary Beth Adams 2016 Marshall University

Interspecific Divergence In Foliar Nutrient Dynamics And Stem Growth In A Temperate Forest In Response To Chronic Nitrogen Inputs, Jeffrey D. May, Sarah Beth Burdette, Frank S. Gilliam, Mary Beth Adams

Frank S. Gilliam

We studied the effects of excessive nitrogen (N) fertilization on foliar nutrient dynamics and stem growth in three important tree species in a mixed-deciduous forest. Stem diameter growth, foliar N concentrations, nitrogen–phosphorus (N/P) ratios, and nutrient resorption were determined for Acer rubrum L. (ACRU), Liriodendron tulipifera L. (LITU), and Prunus serotina Ehrh. (PRSE) on two 30-year-old watersheds at the Fernow Experimental Forest, West Virginia, USA: WS3, fertilized annually with 35 kg ammonium sulfate·ha-1 since 1989, and WS7, an untreated control watershed. In an earlier (1992) study, foliar N concentrations of all three species averaged 11% higher ...


Managing Drought Stress In California Agricultural Systems, Gregory D. Brittain Jr. 2016 University of Nebraska-Lincoln

Managing Drought Stress In California Agricultural Systems, Gregory D. Brittain Jr.

Doctoral Documents from Doctor of Plant Health Program

California is currently facing a historic drought, and this has led many farmers in the state to severely cut back on irrigation. Optimal use of water for irrigation requires a comprehensive understanding of how plants respond physiologically to water stress (Chapter 1). By monitoring water requirements in crops and managing irrigation to meet those requirements, growers can significantly reduce water use (Chapter 2). This can be done through improving application efficiency of irrigation technology as well as increasing the water use efficiency of the crops themselves. Deficit irrigation practices can be used to manipulate the physiology of water use in ...


Evaluating Pedestrial Compaction Variation & Soil Organic C Content, Gunner B. Decker 2016 Murray State University

Evaluating Pedestrial Compaction Variation & Soil Organic C Content, Gunner B. Decker

Scholars Week

Over time, playing fields are monitored by overall appearance. However, pedestrian compaction is not evenly distributed throughout the entire surface.


How Nebraska’S Eastern Saline Wetland Native Plant Species Grow In Response To Restoration Methods: Application Of Different Salinity Level Groundwater, Ellen Dolph, Keunyea Song, Amy Burgin, Trenton E. Franz 2016 University of Nebraska-Lincoln

How Nebraska’S Eastern Saline Wetland Native Plant Species Grow In Response To Restoration Methods: Application Of Different Salinity Level Groundwater, Ellen Dolph, Keunyea Song, Amy Burgin, Trenton E. Franz

UCARE Research Products

Nebraska’s Eastern Saline Wetlands are unique ecosystems endemic to the Salt and Rock Creek waters in Lancaster and Saunders County.

They provide an ecosystem services as well as habitat for endangered species such as the state endangered saltwort (Salicornia rubra) and federally endangered Salt Creek tiger beetle (Cicindela nevadica lincolniana).

Over 80 % of the saline wetlands are highly degraded and in recent years, the Saline Wetland Conservation Partnership has formed to conserve and restore the remaining saline wetland fragments, but there is limited information about inland saline wetland restoration. Purpose: Investigate techniques to better conserve these saline wetlands and ...


Photosynthetic Acclimation To Warming And Elevated Co2 In Two Antarctic Vascular Plant Species, Vi NT Bui 2016 The University of Western Ontario

Photosynthetic Acclimation To Warming And Elevated Co2 In Two Antarctic Vascular Plant Species, Vi Nt Bui

Electronic Thesis and Dissertation Repository

Climate change can affect the performance of the only two vascular plant species found in Antarctica, Deschampsia antarctica and Colobanthus quitensis. I investigated the response of these two species to warming and elevated CO2 in terms of photosynthesis and leaf anatomy. While photosynthesis increased directly with rising temperature and CO2, it showed no acclimation to changes in growth temperature, and a small degree of acclimation to growth under elevated CO2. Likewise, leaf anatomy displayed little plasticity in response to changes in the growth environment, although D. antarctica’s stomatal groove structure was modified under warming, likely to ...


The Use Of Native Prairie Grasses To Degrade Atrazine And Metolachlor In Soil, Shaohan Zhao, Ellen Arthur, Joel Coats 2016 ABC Laboratories

The Use Of Native Prairie Grasses To Degrade Atrazine And Metolachlor In Soil, Shaohan Zhao, Ellen Arthur, Joel Coats

Joel R. Coats

The ability of native prairie grasses, big bluestem (Andropogon gerardii Vitman), Yellow indiangrass (Sorghastrum nutans L.), and switchgrass (Panicum virgatum L.), to degrade atrazine and metolachlor was evaluated in two soils denoted as Alpha and Bravo soils. Vegetation significantly decreased the amount of remaining atrazine in Alpha soil when the concentration of atrazine before vegetation was 93 μg g-1, but had no effect on the degradation of atrazine when it was 4.9 μg g-1. The significant effect of the plants on atrazine degradation in Alpha soil occurred at 57 days after the transplanting of vegetation, but not at 28 ...


Information Thermodynamics Of Cytosine Dna Methylation, Robersy Sanchez, Sally A. Mackenzie 2016 University of Nebraska-Lincoln

Information Thermodynamics Of Cytosine Dna Methylation, Robersy Sanchez, Sally A. Mackenzie

Agronomy & Horticulture -- Faculty Publications

Cytosine DNA methylation (CDM) is a stable epigenetic modification to the genome and a widespread regulatory process in living organisms that involves multicomponent molecular machines. Genome-wide cytosine methylation patterning participates in the epigenetic reprogramming of a cell, suggesting that the biological information contained within methylation positions may be amenable to decoding. Adaptation to a new cellular or organismal environment also implies the potential for genome-wide redistribution of CDM changes that will ensure the stability of DNA molecules. This raises the question of whether or not we would be able to sort out the regulatory methylation signals from the CDM background ...


Ws-2 Introgression In A Proportion Of Arabidopsis Thaliana Col-0 Stock Seed Produces Specific Phenotypes And Highlights The Importance Of Routine Genetic Verification, Mon-Ray Shao, Vikas Shedge, Hardik Kundariya, Fredric R. Lehle, Sally A. MacKenzie 2016 University of Nebraska - Lincoln

Ws-2 Introgression In A Proportion Of Arabidopsis Thaliana Col-0 Stock Seed Produces Specific Phenotypes And Highlights The Importance Of Routine Genetic Verification, Mon-Ray Shao, Vikas Shedge, Hardik Kundariya, Fredric R. Lehle, Sally A. Mackenzie

Agronomy & Horticulture -- Faculty Publications

Arabidopsis thaliana is an important model organism with a robust network of resources that has been of enormous value to the plant science research community. The use of isogenic material as a reference point or control is critical for many types of experiments in plant molecular biology and genetics. Recently, we noticed that some seed from a common source of the widely used Columbia-0 (Col-0) strain gave rise to plants showing features atypical for this strain. Whole-genome DNA-sequencing and allelespecific PCR assays confirmed that the abnormal individuals contain multiple introgressions from the ecotype Wassilewskija-2 (Ws-2), as described below. This emphasizes ...


First Report Of Pythium Ultimum, P. Irregulare, Rhizoctonia Solani Ag4, And Fusarium Proliferatum From Arrowleaf Clover (Trifolium Vesiculosum): A Disease Complex, I. J. Pemberton, G. R. Smith, G. L. Philley, F. M. Rouquette, G. Y. Yuen 2016 Texas A&M University Agricultural Research and Extension Center

First Report Of Pythium Ultimum, P. Irregulare, Rhizoctonia Solani Ag4, And Fusarium Proliferatum From Arrowleaf Clover (Trifolium Vesiculosum): A Disease Complex, I. J. Pemberton, G. R. Smith, G. L. Philley, F. M. Rouquette, G. Y. Yuen

Papers in Plant Pathology

Poor stand establishment, failure to recover after grazing, and premature plant death have reduced the utilization of arrowleaf clover (Trifolium vesiculosum Savi) as a forage crop in the southeastern United States in recent years. Clover plants collected from poor stands in east Texas pastures during the 1995 to 1996 and 1996 to 1997 seasons first exhibited root disease symptoms as young seedlings in the fall. Symptoms consisted of one or more of the following: tan discoloration of lateral roots and taproot; root pruning; and small, tan, sunken lesions on the taproot and crown. Many Rhizobium nodules were brown and dead ...


The Friesner Herbarium (But) Of Butler University, Rebecca Dolan 2016 Butler University

The Friesner Herbarium (But) Of Butler University, Rebecca Dolan

Rebecca W. Dolan

The Friesner Herbarium (BUT) of Butler University is a collection of over 100,000 specimens built from the personal herbarium of Ray C. Friesner. He and other botanists at Butler amassed one of the largest and most complete collections of Indiana plants. Active exchange from the 1920’s through the 1940’s increased the holdings of plants from other states. Although the collection does not contain many type specimens, it is rich in vouchers from floristic and ecological studies conducted in the first half of the 20th century and published in the scientific journal,Butler University Botanical Studies.


Corn Era Hybrid Response To Nitrogen Fertilization, Krishna P. Woli, Matthew J. Boyer, Roger W. Elmore, John E. Sawyer, Lori J. Abendroth, Daniel W. Barker 2016 Iowa State University

Corn Era Hybrid Response To Nitrogen Fertilization, Krishna P. Woli, Matthew J. Boyer, Roger W. Elmore, John E. Sawyer, Lori J. Abendroth, Daniel W. Barker

Agronomy & Horticulture -- Faculty Publications

Corn (Zea mays L.) N use is of continued interest due to agronomic performance and environmental issues. This 2-yr study evaluated era hybrid response to fertilizer nitrogen (FN) rate in a factorial arrangement of one popular hybrid per five decades (1960–2000 eras) and five N rates (0–224 kg N ha–1). An additional hybrid per era was grown at 168 kg N ha–1. Hybrid productivity and nitrogen use efficiency (NUE) increased across the eras, but not between the 1980 and 1990 eras. Grain yield (GY) increased 65% and total plant biomass 43%, however, total plant nitrogen uptake ...


Shrubland Resilience Varies Across Soil Types: Implications For Operationalizing Resilience In Ecological Restoration, Carissa L. Wonkka, Dirac Twidwell, Jacob B. West, William E. Rogers 2016 Texas A&M University

Shrubland Resilience Varies Across Soil Types: Implications For Operationalizing Resilience In Ecological Restoration, Carissa L. Wonkka, Dirac Twidwell, Jacob B. West, William E. Rogers

Agronomy & Horticulture -- Faculty Publications

In ecosystems with alternative stable states, restoration success can be thought of as overcoming the resilience of an undesirable state to promote an alternative state that yields greater ecosystem services. Since greater resilience of undesirable states translates into reduced restoration potential, quantifying differences in resilience can enhance restoration planning. In the context of shrub- encroached rangeland restoration, shrubland resilience is the capacity of a woody vegetated state to absorb management interventions designed to produce a more desirable grass- dominated state, and remain within its current regime. Therefore, differences in the resilience of a state can be quantifi ed in a ...


Incidence Of Wheat Streak Mosaic Virus, Triticum Mosaic Virus, And Wheat Mosaic Virus In Wheat Curl Mites Recovered From Maturing Winter Wheat Spikes, E. Byamukama, S. Tatineni, G. Hein, J. McMechan, S. N. Wegulo 2016 University of Nebraska-Lincoln

Incidence Of Wheat Streak Mosaic Virus, Triticum Mosaic Virus, And Wheat Mosaic Virus In Wheat Curl Mites Recovered From Maturing Winter Wheat Spikes, E. Byamukama, S. Tatineni, G. Hein, J. Mcmechan, S. N. Wegulo

Papers in Plant Pathology

Wheat curl mites (WCM; Aceria tosichella) transmit Wheat streak mosaic virus (WSMV), Triticum mosaic virus (TriMV), and Wheat mosaic virus (WMoV) to wheat (Triticum aestivum L.) in the Great Plains region of the United States. These viruses can be detected in single, double, or triple combinations in leaf samples. Information on incidence of viruses inWCM at the end of the growing season is scant. The availability of this information can enhance our knowledge of the epidemiology ofWCM-transmitted viruses. This research was conducted to determine the frequency of occurrence of WSMV, TriMV, and WMoV in WCM populations on fieldcollected maturing wheat ...


Letter To The Editor Ws-2 Introgression In A Proportion Of Arabidopsis Thaliana Col-0 Stock Seed Produces Specific Phenotypes And Highlights The Importance Of Routine Genetic Verification, Mon-Ray Shao, Vikas Shedge, Hardik Kundariya, Fredric R. Lehle, Sally MacKenzie 2016 University of Nebraska-Lincoln

Letter To The Editor Ws-2 Introgression In A Proportion Of Arabidopsis Thaliana Col-0 Stock Seed Produces Specific Phenotypes And Highlights The Importance Of Routine Genetic Verification, Mon-Ray Shao, Vikas Shedge, Hardik Kundariya, Fredric R. Lehle, Sally Mackenzie

Agronomy & Horticulture -- Faculty Publications

Arabidopsis thaliana is an important model organism with a robust network of resources that has been of enormous value to the plant science research community. The use of isogenic material as a reference point or control is critical for many types of experiments in plant molecular biology and genetics. Recently, we noticed that some seed from a common source of the widely-used Columbia-0 (Col-0) strain gave rise to plants showing features atypical for this strain. Whole genome DNA-sequencing and allele-specific PCR assays confirmed that the abnormal individuals contain multiple introgressions from the ecotype Wassilewskija-2 (Ws-2), as described below. This emphasizes ...


Proteomic Profiling Of Maize Opaque Endosperm Mutants Reveals Selective Accumulation Of Lysine-Enriched Proteins, Kyla J. Morton, Shangang Jia, Chi Zhang, David R. Holding 2016 University of Nebraska-Lincoln

Proteomic Profiling Of Maize Opaque Endosperm Mutants Reveals Selective Accumulation Of Lysine-Enriched Proteins, Kyla J. Morton, Shangang Jia, Chi Zhang, David R. Holding

Agronomy & Horticulture -- Faculty Publications

Reduced prolamin (zein) accumulation and defective endoplasmic reticulum (ER) body formation occurs in maize opaque endosperm mutants opaque2 (o2), floury2 (fl2), defective endosperm*B30 (DeB30), and Mucronate (Mc), whereas other opaque mutants such as opaque1 (o1) and floury1 (fl1) are normal in these regards. This suggests that other factors contribute to kernel texture. A liquid chromatography approach coupled with tandem mass spectrometry (LC-MS/MS) proteomics was used to compare non-zein proteins of nearly isogenic opaque endosperm mutants. In total, 2762 proteins were identified that were enriched for biological processes such as protein transport and folding, amino acid biosynthesis, and proteolysis ...


Muts Homolog1 Silencing Mediates Orf220 Substoichiometric Shifting And Causes Male Sterility In Brassica Juncea, Na Zhao, Xinyue Xu, Yashitola Wamboldt, Sally MacKenzie, Xiaodong Yang, Zhongyuan Hu, Jinghua Yang, Mingfang Zhang 2016 Zhejiang University

Muts Homolog1 Silencing Mediates Orf220 Substoichiometric Shifting And Causes Male Sterility In Brassica Juncea, Na Zhao, Xinyue Xu, Yashitola Wamboldt, Sally Mackenzie, Xiaodong Yang, Zhongyuan Hu, Jinghua Yang, Mingfang Zhang

Agronomy & Horticulture -- Faculty Publications

Cytoplasmic male sterility (CMS) has consistently been associated with the expression of mitochondrial open reading frames (ORFs) that arise from genomic rearrangements. Spontaneous fertility reversion in CMS has been observed in several cases, but a clear understanding of fertility reversion controlled by nuclear genetic influences has been lacking. Here, we identified spontaneous fertile revertant lines for Brassica juncea CMS cytoplasm in which the mitochondrial genome has undergone substoichiometric shifting (SSS) to suppress ORF220 copy number. We placed ORF220, with or without a mitochondrial targeting presequence, under the control of the CaMV35S and AP3 promoters in Arabidopsis to confirm that ORF220 ...


Plant Functional Trait And Hyperspectral Reflectance Responses To Comp B Exposure: Efficacy Of Plants As Landmine Detectors, Paul V. Manley II 2016 Virginia Commonwealth University

Plant Functional Trait And Hyperspectral Reflectance Responses To Comp B Exposure: Efficacy Of Plants As Landmine Detectors, Paul V. Manley Ii

Theses and Dissertations

At least 110 million landmines have been planted since the 1970s in about 70 nations, many of which remain in place today. Some risk of detection may be mitigated using currently available remote sensing techniques when vegetation is present. My study focused on using plants as phytosensors to detect buried explosives. I exposed three species representing different functional types (Cyperus esculentus (sedge), Ulmus alata (tree), Vitis labrusca (vine)) to 500 mg kg-1 of Composition B (Comp B; 60/40 mixture of hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) and 2,4,6-trinitrotoluene (TNT)), a commonly used explosive mixture, and measured ...


Construction Of High Resolution Genetic Linkage Maps To Improve The Soybean Genome Sequence Assembly Glyma1.01, Qijian Song, Jerry Jenkins, Gaofeng Jia, David L. Hyten, Vince Pantalone, Scott A. Jackson, Jeremy Schmutz, Perry B. Cregan 2016 USDA-ARS

Construction Of High Resolution Genetic Linkage Maps To Improve The Soybean Genome Sequence Assembly Glyma1.01, Qijian Song, Jerry Jenkins, Gaofeng Jia, David L. Hyten, Vince Pantalone, Scott A. Jackson, Jeremy Schmutz, Perry B. Cregan

Agronomy & Horticulture -- Faculty Publications

Background: A landmark in soybean research, Glyma1.01, the first whole genome sequence of variety Williams 82 (Glycine max L. Merr.) was completed in 2010 and is widely used. However, because the assembly was primarily built based on the linkage maps constructed with a limited number of markers and recombinant inbred lines (RILs), the assembled sequence, especially in some genomic regions with sparse numbers of anchoring markers, needs to be improved. Molecular markers are being used by researchers in the soybean community, however, with the updating of the Glyma1.01 build based on the high-resolution linkage maps resulting from this ...


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