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Evaluating The Effectiveness Of Iron Chelates In Managing Iron Deficiency Chlorosis In Grain Sorghum, A. Obour, R. Perumal 2015 Kansas State University

Evaluating The Effectiveness Of Iron Chelates In Managing Iron Deficiency Chlorosis In Grain Sorghum, A. Obour, R. Perumal

Kansas Agricultural Experiment Station Research Reports

Grain sorghum production in alkaline or calcareous soils is frequently affected by iron (Fe) chlorosis. Soil conditions such as high pH, high free calcium carbonate (lime), and low organic matter favor development of iron deficiency chlorosis (IDC), which can delay crop maturity and reduce yields. Two field experiments were conducted in the summer of 2014 to determine the effectiveness of Fe chelate application in alleviating IDC in grain sorghum. Treatments in the first study were four Fe chelate application rates (0, 3, 6, and 9 lb/a) applied either in-furrow with the seed at the time of planting or 2 ...


Sugar-Enhanced And Synergistic Sweet Corn Cultivar Evaluation For Northern Indiana, 2014, Elizabeth Maynard 2015 Purdue University - Main Campus

Sugar-Enhanced And Synergistic Sweet Corn Cultivar Evaluation For Northern Indiana, 2014, Elizabeth Maynard

Purdue Fruit and Vegetable Research Reports

Indiana sweet corn acreage harvested for fresh market averaged 5,233 acres annually from 2011- 2013, with a yield of 63 hundredweight per acre (149 crates or 3.1 tons per acre) and an annual value of $13.9 million (USDA NASS, 2014).

Sweet corn fields for fresh market sales are located throughout the state. In northern Indiana, bicolor corn is most commonly grown. Varieties with improved eating quality are of interest to both producers and consumers. Producers are also interested in yield, ear size, appearance, and agronomic characteristics.

This paper reports on nine bicolor and one yellow sugar-enhanced or ...


Supersweet Sweet Corn Cultivar Evaluation For Northern Indiana, 2014, Elizabeth Maynard 2015 Purdue University - Main Campus

Supersweet Sweet Corn Cultivar Evaluation For Northern Indiana, 2014, Elizabeth Maynard

Purdue Fruit and Vegetable Research Reports

Indiana sweet corn acreage harvested for fresh market averaged 5,233 acres annually from 2011- 2013, with a yield of 63 hundreweight per acre (149 crates or 3.1 tons per acre) and an annual value of $13.9 million (USDA NASS, 2014). Sweet corn fields for fresh market sales are located throughout the state. In northern Indiana, bicolor corn is most commonly grown.

Varieties with improved eating quality are of interest to both producers and consumers. The term ‘supersweet’ commonly refers to sweet corn with two copies of the shrunken-2 (sh2) gene that have high levels of sugar in ...


Midwest Vegetable Trial Report For 2014, Elizabeth Maynard 2015 Purdue University - Main Campus

Midwest Vegetable Trial Report For 2014, Elizabeth Maynard

Purdue Fruit and Vegetable Research Reports

This is a compilation of 30 research trial reports from seven land-grant universities in the midwestern and northeastern United States. Crops covered include Asian vegetables (Napa cabbage, pak choy or bok choi, mizuna, tatsoi, Yukina savoy, komatsuna, senposai, and Tokyo bekana) broccoli, cantaloupe, cucumber, kohlrabi, pepper, potato, pumpkin, radish, sweet corn, tomato, and watermelon. Several crops were evaluated in high tunnels or hoophouses. Most trials compared different cultivars or varieties. Four reports addressed specific growing practices: the use of hairy vetch to supply nitrogen, biochar use in a high tunnel bag culture system, effects of organic soil amendments, and scion-rootstock ...


2015 Spring Seed Guide, Teshome Regassa, Charles Shapiro 2014 University of Nebraska-Lincoln

2015 Spring Seed Guide, Teshome Regassa, Charles Shapiro

Agronomy & Horticulture -- Faculty Publications

NEBRASKA CORN HYBRID TESTS CROP PRODUCTION SUMMARY: According to the National Agricultural Statistics Service, there were 8.75 million acres of corn harvested in Nebraska in 2014 producing approximately 1.58 billion bushels of grain. The total average corn yield for Nebraska in 2014 was a record 181 bushels per acre (bu/a). Total corn yields from the previous 10 years are reported below.

NEBRASKA SOYBEAN VARIETY TESTS - 2014 - CROP PRODUCTION SUMMARY: According to the National Agricultural Statistics Service, there were 5.4 million acres of soybeans planted in Nebraska in 2014. 5.35 million acres were harvested producing around ...


Carbohydrate Metabolism And The Trehalose Biosynthetic Pathway In Maize Kernels Grown In Vitro Under Sucrose Starvation Stress, Samuel W. Bledsoe 2014 University of Nebraska-Lincoln

Carbohydrate Metabolism And The Trehalose Biosynthetic Pathway In Maize Kernels Grown In Vitro Under Sucrose Starvation Stress, Samuel W. Bledsoe

Theses, Dissertations, and Student Research in Agronomy and Horticulture

Drought is an increasing issue that many farmers encounter especially in hot arid climates with little rainfall. High temperatures and inadequate rainfall at certain stages in crop development can have disastrous consequences to yield. In maize, drought occurring near or during the flowering stage often causes significant kernel abortion that greatly impacts potential yield. The trehalose biosynthetic pathway has recently been found to be important in plant metabolism in response to stress in higher order plants. Trehalose is currently known throughout the plant and animal kingdoms as an osmoprotectant, high energy fuel source, structural component, and involved in pathogen response ...


Assessing The Genetic Diversity Of The Genus Viburnum Using Simple Sequence Repeats, Deborah Dean 2014 University of Tennessee - Knoxville

Assessing The Genetic Diversity Of The Genus Viburnum Using Simple Sequence Repeats, Deborah Dean

Doctoral Dissertations

The genus Viburnum was established in 1753 by Linnaeus and is the largest genus in the Adoxaceae and consists of approximately 160 species. Viburnum species are small trees which grow throughout the temperate regions of the Northern Hemisphere (Hoch, 1995). While this genus shares little variety in fruit and flower morphology, it is diverse in many other traits. As molecular studies advance, this large genus continues to undergo reclassification. Here three SSR libraries were constructed to discern additional molecular insight into this vast genus.

Microsatellite markers were developed to characterize Viburnum on several different levels. V. dilatatum is an introduced ...


Selection And Genetic Drift In North American Maize, Collin Lamkey 2014 University of Nebraska-Lincoln

Selection And Genetic Drift In North American Maize, Collin Lamkey

Theses, Dissertations, and Student Research in Agronomy and Horticulture

Characterizing the impact of selection and genetic drift in the formation of heterotic groups and patterns in maize can reveal important insights into the mechanism underlying adaptation, and the relative importance of each force in defining population structure. The objectives were to characterize the role selection for hybrid performance had in defining population structure in both a reciprocal full-sib selection (RFS) program and a large collection of historically important inbred lines.

The Illumina GoldenGate Assay was used to genotype the University of Nebraska-Lincoln Replicated Recurrent Selection (UNL-RpRS) program. Eight cycles of S1-progeny and RFS selection were conducted for an index ...


Msh1-Induced Non-Genetic Variation Provides A Source Of Phenotypic Diversity In Sorghum Bicolor, Roberto de la Rosa Santamaria, Mon-Ray Shao, Guomei Wang, David O. Nino-Liu, Hardik Kundariya, Yashitola Wamboldt, Ismail M. Dweikat, Sally A. MacKenzie 2014 University of Nebraska-Lincoln

Msh1-Induced Non-Genetic Variation Provides A Source Of Phenotypic Diversity In Sorghum Bicolor, Roberto De La Rosa Santamaria, Mon-Ray Shao, Guomei Wang, David O. Nino-Liu, Hardik Kundariya, Yashitola Wamboldt, Ismail M. Dweikat, Sally A. Mackenzie

Agronomy & Horticulture -- Faculty Publications

MutS Homolog 1 (MSH1) encodes a plant-specific protein that functions in mitochondria and chloroplasts. We showed previously that disruption or suppression of the MSH1 gene results in a process of developmental reprogramming that is heritable and non-genetic in subsequent generations. In Arabidopsis, this developmental reprogramming process is accompanied by striking changes in gene expression of organellar and stress response genes. This developmentally reprogrammed state, when used in crossing, results in a range of variation for plant growth potential. Here we investigate the implications of MSH1 modulation in a crop species. We found that MSH1-mediated phenotypic variation in Sorghum bicolor ...


Chromosome Counts For Packera Paupercula Variety Gypsophila, Chad Larson 2014 Minnesota State University, Mankato

Chromosome Counts For Packera Paupercula Variety Gypsophila, Chad Larson

Journal of Undergraduate Research at Minnesota State University, Mankato

New plant species develop when diploid plants (having two sets of chromosomes) spontaneously double their chromosomes and the resulting tetraploids (having four sets of chromosomes) are no longer able to back cross to diploid members of the population. The North American plant species Packera paupercula (balsam-leafed ragwort), is widespread and morphologically diverse. An isolated group of populations from the chalky soils of west-central Alabama was recently named Packera paupercula variety gypsophila (the chalk-loving balsam ragwort). The variety’s large diameter pollen grains suggest it may be tetraploid. This project attempts the first chromosome count for the variety by examining cells ...


Characterization Of Fall Leaves As A Source Of Cellulosic Ethanol, Justin Burum 2014 Minnesota State University, Mankato

Characterization Of Fall Leaves As A Source Of Cellulosic Ethanol, Justin Burum

Journal of Undergraduate Research at Minnesota State University, Mankato

Ethanol is becoming increasingly popular as a fossil fuel additive or substitute. However, current production of ethanol from corn impacts food prices and appears to have an overall low net yield. New sources need to be identified and new processes developed for ethanol production. Cellulosic ethanol is one such new source. Plant material contains a large amount of cellulose and other polysaccharides which are potential feed stocks for ethanol production. The purpose of this experiment was to characterize the polysaccharide, lignin, and ash content of fall leaves to estimate their potential for ethanol production. A slight modification of the NREL ...


Expression Of 9/13 Hydroperoxide Lyase In Cucumber Leaves, Samee Ranginwala 2014 Minnesota State University, Mankato

Expression Of 9/13 Hydroperoxide Lyase In Cucumber Leaves, Samee Ranginwala

Journal of Undergraduate Research at Minnesota State University, Mankato

Fatty Acid 9/13-Hydroperoxide Lyase (9/13-HPL) in the cucumber plant is an enzyme that cleaves either 9- or 13-hydroperoxides of polyunsaturated fatty acids to form volatile C9 or C6 aldehydes respectively. Since these aldehydes may play a role in the plant’s defenses against pathogens (K. Matsui, et. al. Phytochemistry 67 (2006) 649-657), the enzyme is stress induced during vulnerable times such as when the plant is injured. In order to better understand how this enzyme is induced, we have developed a Real Time Polymerase Chain Reaction method to quantitate levels of 9/13-HPL mRNA. In initial experiments, the ...


Effects Of Culture Media And Plant Growth Regulators On Micropropagation Of Willow (Salix Matsudana ‘Golden Spiral’) And Hazelnut (Corylus Colurna ‘Te Terra Red), Dongxue Shi 2014 University of Nebraska – Lincoln

Effects Of Culture Media And Plant Growth Regulators On Micropropagation Of Willow (Salix Matsudana ‘Golden Spiral’) And Hazelnut (Corylus Colurna ‘Te Terra Red), Dongxue Shi

Theses, Dissertations, and Student Research in Agronomy and Horticulture

The branches and leaves of Salix matsudana ‘Golden Spiral’ , willow, grow in a twisted manner, which makes it an important bonsai plant. Its mature stems have potential for the woody cut floral industry. Corylus colurna ‘ Te Terra Red’, hazelnut, distinguished by red or purple leaves in the spring, has potential ornamental value in the horticulture industry for landscape use. Micropropagation of these two plants could provide more and healthier plantlets for rapid commercial scale-up by the nursery industry. Nas and Read Medium (NRM) is a newer medium developed specifically for hazelnut species by Nas and Read based on the composition ...


An Evaluation Of Watermelon (Citrullus Spp.) Germplasm For Additional Sources Of Resistance To The Twospotted Spider Mite (Tetranychus Urticae Koch)., Hector Cantu Jr. 2014 University of Nebraska-Lincoln

An Evaluation Of Watermelon (Citrullus Spp.) Germplasm For Additional Sources Of Resistance To The Twospotted Spider Mite (Tetranychus Urticae Koch)., Hector Cantu Jr.

Theses, Dissertations, and Student Research in Agronomy and Horticulture

Fourteen U.S plant introduction (PI) accessions of C. lanatus var. lanatus (4), C. lanatus var. citroides (5) C. colocynthis (5) and a known susceptible commercial cultivar ‘Sugar Baby’ were evaluated for resistance to the twospotted spider mite, Tetranychus urticae Koch, in a limited free-choice and free-choice bioassay under laboratory conditions. The limited free choice bioassay, involved nine Petri dish cages that held five randomly assigned leaves individually inoculated with two adult females and one adult male. Eggs, larva, and adults were counted over a nine day period. The free choice bioassay involved the even distribution of three mite infested ...


Fall Seed Guide 2014, Teshome Regassa, P. Stephen Baenziger, Greg Kruger, Dipak Santra 2014 University of Nebraska-Lincoln

Fall Seed Guide 2014, Teshome Regassa, P. Stephen Baenziger, Greg Kruger, Dipak Santra

Agronomy & Horticulture -- Faculty Publications

Crops include in this guide are winter wheat, winter barley, and triticale. You may receive this guide in the mail or through the University of Nebraska Extension network. The data and other information this guide is based on can be found at our web site: http://cropwatch.unl.edu/ varietytest/ and http://digitalcommons.unl.edu/ncia. Additional information is available at the wheat variety virtual tour web site http://cropwatch.unl.edu/wheat/virtual or the winter wheat variety selection tool page http://citnews.unl.edu/winter_wheat_tool/index.shtml.

Our rainfed plots in Keith County were lost to hail damage ...


Are Local Filters Blind To Provenance? Ant Seed Predation Suppresses Exotic Plants More Than Natives, Dean Pearson, Nadia S. Icasatti, Jose L. Hierro, Benjamin J. Bird 2014 University of Montana - Missoula

Are Local Filters Blind To Provenance? Ant Seed Predation Suppresses Exotic Plants More Than Natives, Dean Pearson, Nadia S. Icasatti, Jose L. Hierro, Benjamin J. Bird

Biological Sciences Faculty Publications

The question of whether species’ origins influence invasion outcomes has been a point of substantial debate in invasion ecology. Theoretically, colonization outcomes can be predicted based on how species’ traits interact with community filters, a process presumably blind to species’ origins. Yet, exotic plant introductions commonly result in monospecific plant densities not commonly seen in native assemblages, suggesting that exotic species may respond to community filters differently than natives. Here, we tested whether exotic and native species differed in their responses to a local community filter by examining how ant seed predation affected recruitment of eighteen native and exotic plant ...


Functional Genomics Of Maize Endosperm Maturation And Protein Quality, Lingling Yuan 2014 University of Nebraska-Lincoln

Functional Genomics Of Maize Endosperm Maturation And Protein Quality, Lingling Yuan

Theses, Dissertations, and Student Research in Agronomy and Horticulture

Maize is one of the most important cereal crops and widely cultivated throughout the world. The study on maize kernel development including protein quality improvement is essential for removing dietary protein deficiency because of the lack of essential amino acids, especially lysine and tryptophan, in maize kernel. Quality Protein Maize (QPM) is a hard kernel variant of the high-lysine mutant, opaque-2. We created opaque QPM variants to identify opaque-2 modifier genes and to investigate deletion mutagenesis combined with Illumina sequencing as a maize functional genomics tool. A K0326Y-QPM deletion mutant, line 107, was null for the 27- and 50-kD γ-zeins ...


Characterization Of Genetically Modified High Biomass Producing Tobacco Plant, Pankaj Singh Kuhar 2014 University of Nebraska-Lincoln

Characterization Of Genetically Modified High Biomass Producing Tobacco Plant, Pankaj Singh Kuhar

Biological Systems Engineering--Dissertations, Theses, and Student Research

Global warming and peak oil has clouded our energy security. In light of this situation, bioethanol as emerged as one of the most amenable solutions to the problem. However bioethanol has its own shortcomings and transgenics seem imperative to exploit its full potential. A high biomass producing line in transgenic tobacco (Nicotiana tabacum cv. Xanthi) was identified during a routine genetic transformation, termed giant recombinant (GR). To characterize the phenotype of the giant line, growth rate and lignocellulosic composition was analyzed relative to the non-transgenic control line. The GR line accounted for 240% more biomass than the untransformed line within ...


Registration Of ‘Ci0947bmr’ Sorghum, O. R. Portillo, R. Clara-Valencia, J. Ramírez, R. Estebez, M. Hernández, A. Morán, R. Obando, N. Gutiérrez, R. Tinoco-Mora, N. De Gracia, D. Herrera, Luis Orlindo Tedeschi, W. L. Rooney 2014 Texas A&M University

Registration Of ‘Ci0947bmr’ Sorghum, O. R. Portillo, R. Clara-Valencia, J. Ramírez, R. Estebez, M. Hernández, A. Morán, R. Obando, N. Gutiérrez, R. Tinoco-Mora, N. De Gracia, D. Herrera, Luis Orlindo Tedeschi, W. L. Rooney

INTSORMIL Scientific Publications

The sorghum [Sorghum bicolor (L.) Moench] cultivar CI0947bmr (Reg. No. CV-137, PI 672153) was jointly developed and released by the Centro Nacional de Tecnología Agropecuaria y Forestal (CENTA) research program in El Salvador and the Texas A&M Agrilife Research sorghum breeding program in 2013. CI0947bmr is a brown midrib (bmr), dual-purpose sorghum selected for productivity in Central American environments. CI0947bmr was developed from a pedigree breeding program, and it was derived from a BC1F2 population of the pedigree B03292bmr/Tortillero//Tortillero. All generation advancement and selection were completed in San Andres, El Salvador. To confirm ...


Genetic Variation And Trait Associations For Forage Yield And Quality Among F1 Half-Sib Families Of Switchgrass, Matthew Eric Bobbitt 2014 University of Tennessee - Knoxville

Genetic Variation And Trait Associations For Forage Yield And Quality Among F1 Half-Sib Families Of Switchgrass, Matthew Eric Bobbitt

Masters Theses

Switchgrass (Panicum virgatum L.) is widely accepted as a forage crop throughout the United States. It is known for its performance on field sites that may be marginal for row crop production and as a warm season grass to fill gaps for cool season forages. With the increase of fuel and fertilizer costs, forage producers need higher yields and better quality than ever before. The objectives of this research were to: (i) compare four F1 [first generation] half-sib populations for their potential of producing superior lines for forage production, (ii) assess the genetic variances for yield, and (iii) evaluate ...


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