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1
Cotton (Gossypium hirsutum L.) Response to Plant Density, Insect Pest Managem...
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Siebert, Jonathan Daniel
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2005-10-31
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Field studies evaluated the effect of plant population and seeding configuration on cotton (Gossypium hirsutum L.) growth and yield. Seeding configuration did not influence plant growth and development parameters. Averaged across seeding configurations, plants grown at a density of 152,833 plants...
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2
New Methods to Assess Cotton Varietal Stability and Identify Discriminating E...
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Blanche, Sr., Sterling Brooks
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2005-07-15
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Studies were conducted in 2001-2004 evaluating genotype by environment interactions in cotton (Gossypium hirsutum L.). Genotype by Environment interactions were characterized using GGE Biplot for conventional cotton cultivars and their transgenic derivatives. Significant interactions existed for ...
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3
Relating Suspended Solids and Phosphorus in Surface Water Runoff from Agricul...
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Udeigwe, Theophilus Kene
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2005-07-14
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Runoff of sediments and nutrients, particularly phosphorus (P) from agricultural fields is considered as one of the main causes of water quality impairment. Very little research has been done on relating suspended solids in runoff to soil test information. This two-part study was aimed at:1) eval...
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4
Chemistry, Testing and Management of Phosphorus and Zinc in Calcareous Louisi...
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Harrell, Dustin L.
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2005-07-14
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Calcareous soils make up some of the most productive agriculture lands in Louisiana. Due to their minimal occurrence little research has been done on these soils. Understanding phosphorus (P) chemistry is necessary for environmentally sound management of these soils. In this study, P speciation w...
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5
Risk Assessment of the Transfer of Imazethapyr Herbicide Resistance from Clea...
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Zhang, Weiqiang
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2005-07-12
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Potential outcrossing between Clearfield rice and red rice will have a direct impact on the management and long-term usefulness of imazethapyr technology for rice weed control. The principal objective of this research was to determine the rate and agronomic consequences for outcrossing between Cl...
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6
Reduced Tillage and Residue Management Programs in Sugarcane (Saccharum spp. ...
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Judice, Wilson Elie
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2005-05-31
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The effect of tillage and weed control programs on LCP 85-384 sugarcane (Saccharum spp. hybrids) growth and yield and on economics was evaluated over two growing seasons. When row shoulders and middles were not tilled in March soil temperature in the non-cultivated sugarcane drill early in the gr...
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7
Herbicide Retention as Affected by Sugarcane Mulch Residue
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Naquin, Brian J
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2005-04-14
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Best management practices are used by agricultural producers to control or reduce the transport and generation of contaminants to the water resources of the state, ultimately increasing the quality of surface and ground waters. One such practice is residue management used during sugarcane product...
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8
A Proteomic Approach to Identifying Defense Related Proteins in Rice Challeng...
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Lee, Joohyun
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2005-04-14
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Sheath blight caused by the fungal pathogen fungus Rhizoctonia solani Kuhn, is an economically important disease of rice in the southern United States. The overall goal of this study was to identify proteins that were affected by sheath blight development by comparing protein expression patterns ...
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9
Effect of Plant Residue and Water Management Practices on Soil Redox Chemistr...
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Kongchum, Manoch
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2005-04-13
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Approximately 5 % of rice growing area in Louisiana experience poor seedling or stand development attributed to anaerobic decomposition of excess plant residue, which create strongly reducing or toxic soil conditions. This study investigated plant residue and flooding regime effects on soil prope...
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10
Red Rice Competition and Control in Cultivated Rice
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Leon, Christopher Todd
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2005-03-09
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Studies were conducted to evaluate rice competitiveness with red rice and how to utilize glufosinate- and imazethapyr-resistant rice in water-seeded rice to control red rice.
In the interference study, CL 121, Cocodrie, Drew, and Jasmine were seeded to obtain 95, 190, and 290 plants/sq m. Red ric...
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11
Genetic Diversity among Sugarcane Clones Using Target Region Amplification Po...
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Arro, Jie Alojado
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2005-01-21
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Genetic diversity is indispensable to sustain genetic gain in breeding programs. Cultivated sugarcane is a highly heterozygous hybrid derived from crossing two highly heterozygous parents. Sugarcane breeders traditionally rely on pedigree records to select parents. Molecular markers now make it p...
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12
Capacity of Freshwater Marsh to Process Nutrients in Diverted Mississippi Riv...
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Johnson, Craig Bonya
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2004-11-18
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The loss of Louisianas coastal wetlands has mandated the construction of diversion structures for reintroduction of a portion of the Mississippi River into Louisianas coastal region for slowing or reversing marsh deterioration. The Davis Pond Freshwater Diversion Structure allows for a section of...
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13
Optimization of Agrobacterium Mediated Cotton Transformation Using Shoot Apic...
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Jiang, Baogong
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2004-11-17
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Cotton (Gossypium spp) is an important world crop. Although great improvements have been achieved through traditional breeding methods, cotton breeders are facing many problems, i.e., narrow genetic base, inability to use alien genes and difficulty in breaking gene linkages. Genetic transformatio...
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14
Evaluation of the USDA Cotton Shafter (Gossypium spp.) Collection for Agronom...
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Zumba, Jimmy Xavier
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2004-11-10
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Many recent additions to the US Cotton Germplasm collection are uncharacterized for common germplasm descriptors.
Our objective was to evaluate a subset of this germplasm for their potential to contribute to future plant improvement efforts. One hundred fifty four cotton germplasm lines from the ...
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15
A Genetic Study of Resistance to Kernel Infection by Aspergillus flavus in Ma...
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Li, Ruming
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2004-11-09
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Maize (Zea mays L.) kernel infection by Aspergillus flavus is a chronic problem in the southern USA. Genetic resistance to A. flavus is needed to solve this problem. To ascertain and understand the inheritance of resistance to field kernel infection by A. flavus, a five-parent diallel analysis an...
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16
Imidazolinone-Tolerant Rice: Weed Control, Crop Response, and Environmental I...
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Levy, Jr., Ronald Joseph
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2004-07-06
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Field and greenhouse research was conducted from 1999 to 2003 to evaluate weed control in imidazolinone-tolerant (IT) rice (Oryza sativa L.) under various tillage and planting systems, tolerance of IT rice cultivars to imazethapyr rate and application timing, and the impact of IT technology and t...
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17
Identification of Soybean Cultivar s Tolerance to Waterlogging Through Analys...
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Riche, Curt Jude
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2004-04-15
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Irrigation to soybean can cause unintended water to pond on the soil surface for more than a desired amount of time. Most soybean acreage in Louisiana is planted on poorly drained clay soils and waterlogging of soybean can cause substantial yield reductions. Although cultural practices are availa...
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18
Dry Matter Accumulation by the Start of Seed Filling as a Criterion for Yield...
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Modali, Harikrishna
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2004-04-12
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Identification of criteria for predicting soybean [Glycine max (L.) Merril] yield would provide farmers with useful management tools. Such criteria not only help in predicting the yield potential but also aid the farmer in determination of environmental factors limiting crop yield. Since a certai...
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19
Water-seeded Rice Response to Clomazone
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Mudge, Christopher Ray
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2004-04-02
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A study was conducted to evaluate rice cultivar tolerance to clomazone impregnated onto urea fertilizer and applied at the rice pegging (PEG) stage. A second study was conducted to evaluate rice injury, rice yield, and weed control with clomazone applied alone or in combination with bensulfuron o...
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20
Reducing Phosphorus Runoff Using Poultry Litter Derived from Phytase-amended ...
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Foster, Anserd Julius
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2003-11-14
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Surface-applied poultry litter generated using a phytase-amended diet may release less phosphorus (P) to runoff water than does litter from a conventional diet. The release of soluble reactive (SRP) and total dissolved P (TDP) from litter generated under conventional and phytase-amended diets was...
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