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Articles 9181 - 9210 of 12684
Full-Text Articles in Entire DC Network
Ecological Characteristics Of 3 Salt Grasses Of Saline And Alkaline Habitats Of Northern Gorgan, Iran, S. A. Hosseini, G. A. Abarsaji, M. Mesdaghi
Ecological Characteristics Of 3 Salt Grasses Of Saline And Alkaline Habitats Of Northern Gorgan, Iran, S. A. Hosseini, G. A. Abarsaji, M. Mesdaghi
IGC Proceedings (1977-2023)
No abstract provided.
Citric Acid Accumulation Of Puccinellia Tenuiflorais A Specific Adaptive Response To Alkaline Stress, Hong Yan, Shangjun Yin, Wei Zhao, Decheng Shi
Citric Acid Accumulation Of Puccinellia Tenuiflorais A Specific Adaptive Response To Alkaline Stress, Hong Yan, Shangjun Yin, Wei Zhao, Decheng Shi
IGC Proceedings (1977-2023)
No abstract provided.
Responses Of Photosynthetic Rate Of Lucerne And The Mechanisms Under Cutting At Different Water Availabilities, Shubin He, Huimin Yang, Guoli Liu, Zhilong Zhang
Responses Of Photosynthetic Rate Of Lucerne And The Mechanisms Under Cutting At Different Water Availabilities, Shubin He, Huimin Yang, Guoli Liu, Zhilong Zhang
IGC Proceedings (1977-2023)
No abstract provided.
Ecological Characteristics Of Halophytes In The Arid Areas, Wenjun Han, Kunio Hamamura
Ecological Characteristics Of Halophytes In The Arid Areas, Wenjun Han, Kunio Hamamura
IGC Proceedings (1977-2023)
No abstract provided.
Response Of Activated Oxygen Metabolism To Water Stress In Different Drought‐Tolerant Alfalfa (Medicago Sativa) At Seedling Stage, Ruihong Han
IGC Proceedings (1977-2023)
No abstract provided.
Effect Of Patch Size Of Metacommunity On Species Diversity In Leymus Chinensis Meadow In The Songnen Plains Of China, Dayong Han, Yunfei Yang, Jiandong Li
Effect Of Patch Size Of Metacommunity On Species Diversity In Leymus Chinensis Meadow In The Songnen Plains Of China, Dayong Han, Yunfei Yang, Jiandong Li
IGC Proceedings (1977-2023)
No abstract provided.
The Successional Dynamic Changing Process Of Vegetation Steppe From Central Asia And Mongolian Pasture, Erdenejav Guriin Proffessor
The Successional Dynamic Changing Process Of Vegetation Steppe From Central Asia And Mongolian Pasture, Erdenejav Guriin Proffessor
IGC Proceedings (1977-2023)
No abstract provided.
Biological Soil Crust Under Shrubs And Its Topsoil Properties In The Process Of Dune Vegetation Restoration In The Horqin Sandy Grassland, Inner Mongolia, Yirui Guo, Halin Zhao, Xiaoan Zuo
Biological Soil Crust Under Shrubs And Its Topsoil Properties In The Process Of Dune Vegetation Restoration In The Horqin Sandy Grassland, Inner Mongolia, Yirui Guo, Halin Zhao, Xiaoan Zuo
IGC Proceedings (1977-2023)
No abstract provided.
The Comparison Of Photosynthetic Physiological Characteristics Between Leymus Chinensis And Leymus Secalinus In The Songnen Plains, R. Guo, Yunfei Yang
The Comparison Of Photosynthetic Physiological Characteristics Between Leymus Chinensis And Leymus Secalinus In The Songnen Plains, R. Guo, Yunfei Yang
IGC Proceedings (1977-2023)
No abstract provided.
Water Relations In Native Trees, Northeastern Mexico, Humberto González, I. A. Molina, I. C. Silva, M. V. Gómez, R. G. Ramírez
Water Relations In Native Trees, Northeastern Mexico, Humberto González, I. A. Molina, I. C. Silva, M. V. Gómez, R. G. Ramírez
IGC Proceedings (1977-2023)
No abstract provided.
Effects Of Different Utilization Levels On Species Richness Changes In Saral Grassland, Kurdistan Province, S. Gholinejad, M. Vafakhah, S. A. R. Mousavi
Effects Of Different Utilization Levels On Species Richness Changes In Saral Grassland, Kurdistan Province, S. Gholinejad, M. Vafakhah, S. A. R. Mousavi
IGC Proceedings (1977-2023)
No abstract provided.
Behavior Of Medicinal Species Of Cichorium Intybus Against Salinity On Different Developmental Stages, M. Ghavam Arabani, Hossein Azarnivand, A. Tavili
Behavior Of Medicinal Species Of Cichorium Intybus Against Salinity On Different Developmental Stages, M. Ghavam Arabani, Hossein Azarnivand, A. Tavili
IGC Proceedings (1977-2023)
No abstract provided.
Soil-Nitrogen, Potentially Mineralizable-Nitrogen, And Field Condition Information Marginally Improves Corn Nitrogen Management, Jason Clark, Fabian G. Fernandez, Kristen S. Veum, James J. Camberato, Paul R. Carter, Richard B. Ferguson, David W. Franzen, Daniel E. Kaiser, Newell R. Kitchen, Carrie A.M. Laboski, Emerson D. Nafziger, Carl J. Rosen, John E. Sawyer, John F. Shanahan
Soil-Nitrogen, Potentially Mineralizable-Nitrogen, And Field Condition Information Marginally Improves Corn Nitrogen Management, Jason Clark, Fabian G. Fernandez, Kristen S. Veum, James J. Camberato, Paul R. Carter, Richard B. Ferguson, David W. Franzen, Daniel E. Kaiser, Newell R. Kitchen, Carrie A.M. Laboski, Emerson D. Nafziger, Carl J. Rosen, John E. Sawyer, John F. Shanahan
Agronomy, Horticulture and Plant Science Faculty Publications
Anaerobic potentially mineralizable nitrogen (PMN) combined with preplant nitrate test (PPNT) or pre-sidedress nitrate test (PSNT) may improve corn (Zea mays L.) N management. Forty-nine corn N response studies were conducted across the U.S. Midwest to evaluate the capacity of PPNT and PSNT to predict grain yield, N uptake, and economic optimal N rate (EONR) when adjusted by soil sampling depth, soil texture, temperature, PMN, and initial NH4–N from PMN analysis. Pre-plant soil samples were obtained for PPNT (0- to 30-, 30- to 60-, 60- to 90-cm depths) and PMN (0- to 30-cm depth) before corn planting and N fertilization. …
Evaluating Opportunities For Integrated Crop Livestock Systems In Eastern Nebraska, Elizabeth Kay Christenson
Evaluating Opportunities For Integrated Crop Livestock Systems In Eastern Nebraska, Elizabeth Kay Christenson
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Current agricultural systems focused on production of few commodities are facing production, economic, and environmental challenges. To address these challenges, Integrated Crop Livestock Systems (ICLS) have emerged through three primary methods 1) perennial grasslands for grazing and/or hay production, 2) crop residue grazing, and 3) cover crop grazing. To evaluate potential of ICLS mitigating current challenges, a field scale model ICLS was developed in 2015. The ICLS includes 4-ha each of ‘Newell’ smooth bromegrass (Bromus inermis L.), ‘Liberty’ switchgrass (Panicum virgatum L.), and ‘Shawnee’ switchgrass. The ICLS also included 8-ha of continuous corn (Zea mays L.). In …
Soil-Nitrogen, Potentially Mineralizable-Nitrogen, And Field Condition Information Marginally Improves Corn Nitrogen Management, Jason Clark, Fabián G. Fernández, Kristen S. Veum, James J. Camberato, Paul R. Carter, Richard Ferguson, David W. Franzen, Daniel E. Kaiser, Newell R. Kitchen, Carrie A.M. Laboski, Emerson Nafziger, Carl J. Rosen, John E. Sawyer, John F. Shanahan
Soil-Nitrogen, Potentially Mineralizable-Nitrogen, And Field Condition Information Marginally Improves Corn Nitrogen Management, Jason Clark, Fabián G. Fernández, Kristen S. Veum, James J. Camberato, Paul R. Carter, Richard Ferguson, David W. Franzen, Daniel E. Kaiser, Newell R. Kitchen, Carrie A.M. Laboski, Emerson Nafziger, Carl J. Rosen, John E. Sawyer, John F. Shanahan
Department of Agronomy and Horticulture: Faculty Publications
Anaerobic potentially mineralizable nitrogen (PMN) combined with preplant nitrate test (PPNT) or pre-sidedress nitrate test (PSNT) may improve corn (Zea mays L.) N management. Forty-nine corn N response studies were conducted across the U.S. Midwest to evaluate the capacity of PPNT and PSNT to predict grain yield, N uptake, and economic optimal N rate (EONR) when adjusted by soil sampling depth, soil texture, temperature, PMN, and initial NH4–N from PMN analysis. Pre-plant soil samples were obtained for PPNT (0- to 30-, 30- to 60-, 60- to 90-cm depths) and PMN (0- to 30-cm depth) before corn planting …
Photosynthetic Activity And Yield Of Pegaga (Hydrocotyle Bonariensis) Grown Under Natural And Artificial Light, Narayanan Indiran Nair
Photosynthetic Activity And Yield Of Pegaga (Hydrocotyle Bonariensis) Grown Under Natural And Artificial Light, Narayanan Indiran Nair
Student Works (2020-2029)
Large leaf pennywort (Hydrocotyle bonariensis) also known as Pegaga in Malaysia, is an herb belonging to the family Araliaceae and commonly used as a culinary leafy vegetable and in preparation of traditional medicines to treat various symptoms of ophthalmic diseases and eczema. The plant is also used as an emetic, diuretic and laxative. With the increasing demand for H. bonariensis by the herbal industry, sourcing plant materials from natural habitats is no longer an economically viable or environmentally sustainable proposition. H. bonariensis is highly sensitive to direct sunlight exposure and water scarcity, which makes successful farming dependent on weather conditions …
Soybean Maturity Group And Planting Date Influence Grain Yield And Nitrogen Dynamics, Carrie C. Ortel, Trenton L. Roberts, Kyle A. Hoegenauer, Larry C. Purcell, Nathan A. Slaton, Edward E. Gbur
Soybean Maturity Group And Planting Date Influence Grain Yield And Nitrogen Dynamics, Carrie C. Ortel, Trenton L. Roberts, Kyle A. Hoegenauer, Larry C. Purcell, Nathan A. Slaton, Edward E. Gbur
Crop, Soil and Environmental Sciences Faculty Publications and Presentations
Manipulation of soybean [Glycine max (L.) Merr.] maturity group (MG) and planting date will increase the yield of a soybean crop while simultaneously influencing the potential soil-nitrogen (N) credits. Variations in N returned to the soil by soybean can significantly affect the amount of fertilizer-N needed for the subsequent crop. Four soybean MGs (3.5, 4.7, 5.4, and 5.6) were evaluated at optimal and late planting dates in Arkansas. Grain yield was significantly different among MGs in 2016 (P = .0012) and 2017 (P = .0004), with the 4.7 MG consistently yielding the highest at 3,232 kg ha(-1). Plant total aboveground …
Arkansas Corn And Grain Sorghum Research Studies 2019, Victor Ford, Jason Kelley, Nathan Mckinney Ii
Arkansas Corn And Grain Sorghum Research Studies 2019, Victor Ford, Jason Kelley, Nathan Mckinney Ii
Arkansas Agricultural Experiment Station Research Series
The 2020 Arkansas Corn and Grain Sorghum Research Studies Series is the inaugural edition of this annual report and includes research results on all topics pertaining to corn and grain sorghum production including disease management, environmental/sustainability, irrigation, post-harvest drying, soil fertility, weed control, and research verification program results. Our objective is capturing and broadly distributing the results of research projects funded by the Arkansas Corn and Grain Sorghum Board. The intended audience includes producers and their advisors, current investigators, and future researchers. The Series will also serve as a citable archive of research results. Research reports contained in this publication …
Developing A High-Throughput Method To Screen Soybean Germplasm For Hypoxia Tolerance In Hydroponic Systems, Derrick Harrison
Developing A High-Throughput Method To Screen Soybean Germplasm For Hypoxia Tolerance In Hydroponic Systems, Derrick Harrison
Graduate Theses and Dissertations
Soybean [Glycine max (Merr.)], the second most planted crop in the United States, is sensitive to field flooding due to depletion of oxygen and accumulation of CO2 in the rhizosphere. There is a need to breed cultivars that are adapted to areas prone to flooding, but field evaluations in the U.S. are limited because of time (one generation per year) and availability of resources (impermeable soils, irrigation, equipment to build levees). The purpose of this study was to develop and execute a protocol of germplasm screening for hypoxia tolerance using hydroponics in a controlled greenhouse environment. Germination rates and vigor …
Recombinase-Mediated Integration Of A Multigene Cassette In Rice Leads To Stable Expression And Inheritance Of The Stacked Locus, Bhuvan Pathak, Vibha Srivastava
Recombinase-Mediated Integration Of A Multigene Cassette In Rice Leads To Stable Expression And Inheritance Of The Stacked Locus, Bhuvan Pathak, Vibha Srivastava
Crop, Soil and Environmental Sciences Faculty Publications and Presentations
Efficient methods for multigene transformation are important for developing novel crop varieties. Methods based on random integrations of multiple genes have been successfully used for metabolic engineering in plants. However, efficiency of co-integration and co-expression of the genes could present a bottleneck. Recombinase-mediated integration into the engineered target sites is arguably a more efficient method of targeted integration that leads to the generation of stable transgenic lines at a high rate. This method has the potential to streamline multigene transformation for metabolic engineering and trait stacking in plants. Therefore, empirical testing of transgene(s) stability from the multigene site-specific integration locus …
Genetic Architecture Of Salt And Drought Tolerance In Cowpea, Waltram Second Ravelombola
Genetic Architecture Of Salt And Drought Tolerance In Cowpea, Waltram Second Ravelombola
Graduate Theses and Dissertations
Cowpea [Vigna unguiculata (L.) Walp.] is a diploid and nutrient-dense legume species. It provides affordable source of protein to human. Cowpea cultivation is prevalent in Africa, Asia, the western and southern U.S., and Central and South America. However, earlier reports have shown that drought and salt stress can be devastating to cowpea production. The objectives of this study were to screen for salt and drought tolerance in cowpea and to identify molecular markers associated with these traits. Simple methodologies to screen for drought (Chapter 2) and salt tolerance were developed (Chapter 3). Results suggested that: 1) a total of 14, …
Genetics Of Physiological Traits Associated With Drought Tolerance In Soybean (Glycine Max), Sumandeep Kaur Bazzer
Genetics Of Physiological Traits Associated With Drought Tolerance In Soybean (Glycine Max), Sumandeep Kaur Bazzer
Graduate Theses and Dissertations
Soybean (Glycine max L.) is one of the major row crops in the United States, and its production is often limited by drought stress. Physiological traits from exotic germplasm that confer drought tolerance may be useful in improving commercial soybean production. For example, carbon isotope ratio (δ13C) is positively correlated with water use efficiency (WUE), and nitrogen isotope ratio (δ15N) is negatively correlated with N2 fixation; canopy temperature (CT) is an indicator for genetic variation in transpiration and stomatal conductance. Therefore, the objectives of this research were to identify the genomic regions associated with: (1) δ13C and δ15N using a …
Sensitivity Of Enlisttm And Roundup Ready Xtend® Technologies To Auxin Herbicides And Comparison Of Resistance To Susceptible Cotton And Soybean Cultivars, James Rose
Graduate Theses and Dissertations
Increases in weed resistance have led to the development of new herbicide-resistant crop technologies, namely the Roundup Ready Xtend® and EnlistTM weed control systems. These new technologies provide resistance to applications of the synthetic auxins dicamba or 2,4-D, respectively, in traited cotton or soybean. It is unknown if there is any resistance to other herbicides within the synthetic auxin group (WSSA Group 4) in these traited crops. Experiments were conducted with auxin herbicides representing all five families within WSSA Group 4. Herbicides were applied either preemergence (PRE) or postemergence (POST) relative to the crop in a single application. Applications were …
Phenotypic And Genotypic Studies In The Peach [Prunus Persica (L.) Batsch] And Muscadine Grape (Vitis Rotundifolia Michx.), Jennifer Anne Lewter
Phenotypic And Genotypic Studies In The Peach [Prunus Persica (L.) Batsch] And Muscadine Grape (Vitis Rotundifolia Michx.), Jennifer Anne Lewter
Graduate Theses and Dissertations
Peach: Peaches [Prunus persica (L.) Batsch] are routinely chilled to increase shelf-life. Exposure to temperatures of 5° C for two weeks can induce chilling injury (CI) symptoms, including flesh mealiness (or wooliness) and a lack of juiciness. Phenotypic data were collected on seven biparental F1 peach populations maintained at the University of Arkansas Fruit Research Station. A genome wide association study (GWAS) was performed using TASSEL 5 which identified four quantitative trait loci (QTLs) associated with expressible juice, four QTLs for mealiness, five QTLs for soluble solids, and three QTLs for fruit weight. Exploiting these genetic markers could help breeders …
Which Vegetation Sampling Approach Is More Efficient For A Rangeland Inventory?, Gh. Ghanbarian, M. Mesdaghi, H. Barani, M. Azimmohseni
Which Vegetation Sampling Approach Is More Efficient For A Rangeland Inventory?, Gh. Ghanbarian, M. Mesdaghi, H. Barani, M. Azimmohseni
IGC Proceedings (1977-2023)
No abstract provided.
Presentation Of Diversity, Life Forms And Chorology Of Plant Species In Rangelands Of Jahrom, Gh. Ghanbarian, E. Jafari, A. Hatami, M. Tayebi Khorrami
Presentation Of Diversity, Life Forms And Chorology Of Plant Species In Rangelands Of Jahrom, Gh. Ghanbarian, E. Jafari, A. Hatami, M. Tayebi Khorrami
IGC Proceedings (1977-2023)
No abstract provided.
Analysis Of C‐Banding And Karyotype Of Chromosome Of Two Galega Species, Hongwen Gao, Xinyu Zhang, Zan Wang
Analysis Of C‐Banding And Karyotype Of Chromosome Of Two Galega Species, Hongwen Gao, Xinyu Zhang, Zan Wang
IGC Proceedings (1977-2023)
No abstract provided.
Obstacles Of Determining Compensation In Grassland Ecological Values, Zhiyi Gai, Xiufang Gao
Obstacles Of Determining Compensation In Grassland Ecological Values, Zhiyi Gai, Xiufang Gao
IGC Proceedings (1977-2023)
No abstract provided.
Application Of Analytical Hierarchy Process (Ahp) In Priority Classification Of Utilization Measurement Methods In Agropyrun Trichophrum Stands In Upland Grasslands Of Iran, Fazel Amiri
IGC Proceedings (1977-2023)
No abstract provided.
Assessment Of Important Environmental Factors Affecting Agropyron Trichophrum Establishment By Using An Ordination Method, Fazel Amiri, M. R. Chaichi, T. Tabatabai
Assessment Of Important Environmental Factors Affecting Agropyron Trichophrum Establishment By Using An Ordination Method, Fazel Amiri, M. R. Chaichi, T. Tabatabai
IGC Proceedings (1977-2023)
No abstract provided.