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Journal articles on the topic 'Cotton'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Liu, Youngliang, and Christopher D. Delhom. "Effect of Instrumental Leaf Grade On HVI Micronaire Measurement In Commercial Cotton Bales." Journal of Cotton Science 22, no. 2 (2018): 136–41. http://dx.doi.org/10.56454/nuui3300.

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The high volume instrument (HVITM) instrumental leaf grade index has been accepted in both domestic and international cotton fiber trading. There is interest in how trash content in cotton samples impact the HVI measurements. In this investigation, HVI micronaire attribute was measured on commercial cotton bales representing instrumental leaf grade categories one to six, pre- and post- Shirley Analyzer (SA) cleaning process. The SA system was used since it is a traditional gravimetric cotton trash reference method, and also plays a role as a small-scale cotton trash cleaner. This study first e

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2

Ioelovich, Michael, and Alex Leykin. "Structural investigations of various cotton fibers and cotton celluloses." BioResources 3, no. 1 (2008): 170–77. http://dx.doi.org/10.15376/biores.3.1.170-177.

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Macro- and crystalline structure, as well as chemical composition of fibers related to various types and sorts of Israeli cottons, both white and naturally colored, were investigated. The differences in structural parameters and chemical compositions of the cotton fibers were eval-uated. Samples of cotton of the “Pima”-type had long, thin and strong fibers with highly ordered supermolecular structure. Fibers of middle-long and hybrid cottons had some lower-ordered structural organization in comparison to long-length cotton, while fibers of naturally colored cotton were characterized with disor

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3

SORO, Siofougowary Mariam, and N’guettia René YAO. "Effet de l’apport au sol de déchets issus de l’égrenage du coton graine sur l’humidité du sol et la production en coton graine au nord de la Côte d’Ivoire." Journal of Applied Biosciences 150 (June 30, 2020): 15477–87. http://dx.doi.org/10.35759/jabs.150.8.

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Objectif : Pour tenter de réduire les effets de ces changements climatiques sur les productions, un apport au sol avant les mises en place des cultures de 12 t/ha de déchets de coton graine ou de compost associé à la moitié de la dose d’engrais minéral recommandée (200 kg/ha de NPK + 50 kg/ha d’urée) a permis d’améliorer l’humidité du sol sans aucun effet sur l’eau utile du sol. L’apport de déchets de coton graine ou de compost a permis aussi d’améliorer le nombre de capsules par plante, le nombre de capsules mûres récoltées, la qualité sanitaire des capsules mûres et surtout le rendement en c

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4

DJIMASRA, Nestor Nodjitidjé. "Déterminants de la performance des exportations de coton : cas des pays Africains." Revue d’Economie Théorique et Appliquée 2, no. 1 (2012): 49–62. https://doi.org/10.62519/reta.v2n1a3.

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Résumé : Cet article a pour objectif d’identifier les déterminants de la performance des exportations de coton en Afrique. La période d’étude s’étend de 1990 à 2008 sur un échantillon de 17 pays. Nos résultats montrent que les variables comme le cours mondial du coton, le prix des fibres synthétiques, le taux de change effectif réel, l’avantage comparatif révélé, les consommations mondiales de coton et les investissements directs étrangers sont significatifs. Des implications de politiques économiques ont été faites pour rendre plus compétitive la filière coton en Afrique. Mots clés : Coton –

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5

Lei, Z., T. X. Liu, and S. M. Greenberg. "Feeding, oviposition and survival of Liriomyza trifolii (Diptera: Agromyzidae) on Bt and non-Bt cottons." Bulletin of Entomological Research 99, no. 3 (2008): 253–61. http://dx.doi.org/10.1017/s0007485308006317.

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AbstractThe effects of Bt transgenic cottons (Bt-I expressing cry1Ac and Bt-II expressing cry1Ab and cry2Ab or cry1Ab and cry1Fa) and non-Bt cottons on feeding, oviposition and longevity of adults, and development and survival of Liriomyza trifolii larvae were studied under laboratory conditions; and infestation on four Bt and two non-Bt cotton traits were investigated under field conditions. Laboratory choice and no-choice tests showed that L. trifolii adults were capable of distinguishing between Bt cottons and non-Bt cottons. In a choice test on younger plants (4–5 leaves), the adults were

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6

Parker, C. D., V. J. Mascarenhas, R. G. Luttrell, and K. Knighten. "Survival Rates of Tobacco Budworm (Lepidoptera: Noctuidae) Larvae Exposed to Transgenic Cottons Expressing Insecticidal Protein of Bacillus thuringiensis Berliner." Journal of Entomological Science 35, no. 2 (2000): 105–17. http://dx.doi.org/10.18474/0749-8004-35.2.105.

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The insecticidal activity of transgenic cottons expressing endotoxin protein of Bacillus thuringiensis Berliner (Bt cotton) was quantified by measuring survival of tobacco budworm, Heliothis virescens (F.), larvae caged on different plant structures for varying lengths of exposure. Percentages of larvae surviving were measured on Bt cottons expressing Cry1Ab and CrylAc protein. Plant structure (terminal, leaf, square or boll) did not affect larval survival, and survival did not differ significantly between CrylAb and CrylAc cottons. Larvae exposed to Bt cotton for only 24 h had higher initial

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7

Brushwood, Donald E. "Effects of Heating on Chemical and Physical Properties and Processing Quality of Cotton." Textile Research Journal 58, no. 6 (1988): 309–17. http://dx.doi.org/10.1177/004051758805800601.

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Optimum quality from cotton at the textile mill depends on the need for improvements in a number of handling areas. Processing and yarn quality problems sometimes occur through overdrying practices. Excessive heating of cotton causes discoloration (yellowing), reductions in strength, and increased fiber breakage. The severity of damage increases as exposure time and temperature increase. Chemical and physical tests were conducted on heated cottons of high, medium, and low Micronaires to determine changes that may affect cotton processability and overall quality. Mechanical processing of cotton

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8

Perkins, Henry H. "Spin Finishes for Cotton." Textile Research Journal 58, no. 3 (1988): 173–79. http://dx.doi.org/10.1177/004051758805800308.

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Cotton has an exceptional natural finish, but under adverse conditions of weathering, this finish may deteriorate to the extent that processing quality is altered. Changing technologies involving higher processing speeds and new spinning systems have placed increased demands on the fiber properties of all cottons. Spin finishes could reasonably improve the processing qualities of both damaged cottons and cottons in general. The history of effective finish usage (additives) in both ginning and textile processing of cotton has been reviewed. Cottons harvested both before and after significant we

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9

Agalati, Barnabé, and Pamphile Degla. "Effet des coûts de transaction sur la performance économique et l’adoption du coton biologique au Centre et Nord du Bénin." International Journal of Biological and Chemical Sciences 14, no. 4 (2020): 1416–31. http://dx.doi.org/10.4314/ijbcs.v14i4.20.

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Face au défi de la dégradation de l’environnement et des problèmes sanitaires liés à la production du coton conventionnel au Bénin, la production du coton biologique initiée depuis quelques décennies peine à se développer. Cet article s’intéresse à l’analyse de l’effet des coûts de transaction (CT) sur la performance économique et l’adoption du coton biologique au Centre et au Nord du Bénin. Basée sur un échantillon aléatoire de 408 producteurs dont 168 adoptants du coton biologique, l’étude a utilisé l’approche d’estimation des CT, la régression logistique et le test t de Student pour l’analy

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10

Allen, Luttrell, Little, Parys, and Perera. "Response of Bt and Non-Bt Cottons to High Infestations of Bollworm (Helicoverpa zea Boddie) and Tobacco Budworm (Heliothis virescens (F.)) under Sprayed and Unsprayed Conditions." Agronomy 9, no. 11 (2019): 759. http://dx.doi.org/10.3390/agronomy9110759.

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Early-maturing and full-season Bt and non-Bt cottons were exposed to high densities of tobacco budworm (Heliothis virescens (F.)) and bollworm (Helicoverpa zea Boddie) in 0.04 ha field cages during the summers of 2011 and 2012 to measure the possible need for supplemental use of insecticides on Bt cotton. Fruit survival within-season and at-harvest was carefully mapped on individual plants within comparative plots of all cottons untreated and sprayed with lambda-cyhalothin (0.0448 kg a.i./ha) or chlorantraniliprole (0.1009 kg a.i./ha) following insect infestations. Differences in lint yields a

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11

Berni, R. J., P. E. Sasser, L. N. Domelsmith, H. H. Perkins, and W. R. Goynes. "Chemical and Microscopical Analyses of Rained-on Cotton." Textile Research Journal 58, no. 9 (1988): 515–19. http://dx.doi.org/10.1177/004051758805800904.

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Late season rains on the 1984 crop in the Mississippi Delta cotton-growing areas prompted increased research of this weathered cotton. Cotton Incorporated and USDA quickly noted the detrimental effects on quality caused by the heavy rains after boll opening in the fields. The cooperative research efforts reported here deal with the chemical and microscopical changes that occurred in these cottons, and analyses of selected ginned cotton are included.

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12

Kriger, Colleen. ""THE IMPORTANCE OF MANDE TEXTILES IN THE AFRICAN SIDE OF THE ATLANTIC TRADE, CA. 1680-1710"." Mande Studies 11, no. 1 (2009): 1–21. http://dx.doi.org/10.2979/mnd.2009.a873558.

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Abstract: Production and trade of cotton textiles in West Africa go back at least a millennium, creating a 'cotton culture' that spawned centers producing cottons for export. This article focuses on a number of such centers that were located in the hinterlands of Senegambia and the Southern Rivers regions of the Upper Guinea Coast in the seventeenth century. Speakers of Mande languages were among the producers and traders of these textiles, which Europeans recognized as items that were essential in the coastal and trans-Atlantic trade. Archival sources documenting this trade reveal some of the

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13

Zhou, Li Ming, and Yu Gao Zhang. "Cotton Woven Fabric with Less Energy Consumption during Home Laundry." Advanced Materials Research 441 (January 2012): 619–24. http://dx.doi.org/10.4028/www.scientific.net/amr.441.619.

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Cotton woven fabrics were treated with resin and hydrophobic agent for reducing the water retention value and improving the drying speed. The relationship among resin dosage, water retention value and drying speed were studied. The different fabrication methods of hydrophobic cottons were emphasized. When incorporating part of hydrophobic cottons in the fabric, the water retention value and drying speed of the fabric can be further improved, while the wearing comfort of the cotton fabrics can remain. By these treatments, the cotton apparels can be more easily washed and dehydrated and will con

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14

Rylander, R. "Plant constituents of cotton dust and lung effects after inhalation." European Respiratory Journal 1, no. 9 (1988): 812–17. http://dx.doi.org/10.1183/09031936.93.01090812.

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Experiments were performed to assess pulmonary reactions after inhalation of cotton dusts with different levels of tannins, terpenoid aldehydes and bacterial endotoxins. Guinea-pigs were exposed to cotton dust. Free lung cells were obtained by lavage 24 h later. A dose-response relationship was found between the number of neutrophils and the amount of endotoxin in the dust. No influence of terpenoid aldehyde or tannin levels could be detected. Cotton mill workers were exposed to dust from glanded and glandless cottons in an experimental cardroom. The average decreases in forced expiratory volu

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15

Bhardwaj, H. L., J. B. Weaver, and R. F. Severson. "Presence of water-soluble materials on cotton terminals as related to bollwoxm (Lepidoptera: Noctuidae) resistance." Journal of Agricultural Science 109, no. 1 (1987): 193–95. http://dx.doi.org/10.1017/s0021859600081156.

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Bollworms (Heliothis zea Boddie and H. virescens F.) are serious cotton pests. During 1980, the cotton crop in U.S.A. suffered an 8·73% loss due to insect pests; 3·07% of this loss was due to the damage caused by bollworms. This 8·73% loss in cotton production occurred despite control measures adopted by cotton growers at an average cost of $36.27 per acre (Anon. 1981). Four plant characteristics impart varying degrees of host-plant resistance against bollworms in cotton (Maxwell, 1977). The bollworm moths exhibit an oviposition nonpreference towards glabrous and nectarless cottons. Presence o

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16

Vishwanath Gowdru, Nithya. "A Resources use efficiency analysis of Bt and Non Bt cotton farmers in Karnataka, India." Journal of Global Economy 9, no. 3 (2013): 175–81. http://dx.doi.org/10.1956/jge.v9i3.283.

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Cotton is the major commercial crop amongst all cash crops in India and providesÂ livelihood toÂ moreÂ thanÂ 60Â millionÂ peopleÂ inÂ itsÂ cultivation,Â processingÂ andÂ textileÂ industry.Â CottonÂ cropÂ isÂ infestedÂ byÂ variousÂ pestsÂ causingÂ significantÂ yieldÂ losses therefore Bt cotton was introduced in India to reduce pesticide consumption and also increaseÂ productivity. Since introduction there has been ongoing debate on the superiority and/ or inferiority of Bt cotton over non Bt cotton. Therefore the present study was undertaken to examine the Bt cotton technology on output and eff

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17

Drouillard, Ken G., Amanda Tomkins, Sharon Lackie, et al. "Fitted filtration efficiency and breathability of 2-ply cotton masks: Identification of cotton consumer categories acceptable for home-made cloth mask construction." PLOS ONE 17, no. 3 (2022): e0264090. http://dx.doi.org/10.1371/journal.pone.0264090.

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The objective of this study was to characterize commercially-available cotton fabrics to determine their suitability as materials for construction of cloth masks for personal and public use to reduce infectious disease spread. The study focused on cottons because of their widespread availability, moderate performance and they are recommended for inclusion in home-made masks by international health authorities. Fifty-two cottons were analyzed by electron microscopy to determine fabric characteristics and fabric weights. Sixteen fabrics were selected to test for breathability and to construct 2-

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18

Li, Zhaoguo, Zhen Liu, Yangyang Wei, et al. "Genome-wide identification of the MIOX gene family and their expression profile in cotton development and response to abiotic stress." PLOS ONE 16, no. 7 (2021): e0254111. http://dx.doi.org/10.1371/journal.pone.0254111.

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The enzyme myo-inositol oxygenase (MIOX) catalyzes the myo-inositol into glucuronic acid. In this study, 6 MIOX genes were identified from all of the three diploid cotton species (Gossypium arboretum, Gossypium herbaceum and Gossypium raimondii) and Gossypioides kirkii, 12 MIOX genes were identified from two domesticated tetraploid cottons Gossypium hirsutum, Gossypium barbadense, and 11 MIOX genes were identified from three wild tetraploid cottons Gossypium tomentosum, Gossypium mustelinum and Gossypium darwinii. The number of MIOX genes in tetraploid cotton genome is roughly twice that of di

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19

Yachmenev, Val G., Linda Kimmel, and Chris Delhom. "Thermal Insulation Properties of Nonwoven Composite Materials Made from Naturally Colored Cottons." International Nonwovens Journal os-11, no. 4 (2002): 1558925002OS—01. http://dx.doi.org/10.1177/1558925002os-01100407.

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Naturally colored cottons do not require chemical dyeing. This offers important processing advantages including less water, chemical and energy consumption. Brown, green, and white (Maxxa) cottons, all from domestic sources, were used to construct needlepunched nonwoven composites. Four different designs representing pure cotton, cotton scrim-reinforced, and Lyocell and Amicor AM-blend constructions were manufactured on laboratory-scale equipment. A Fox 200 Heat Flow Meter was used for measurement of thermal conductivity and thermal transmittance of samples of the nonwoven needlepunched batts.

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20

Soham, Bachaspati1 Goutam Bachaspati2. "Evaluation of Bt Cotton Scenario in India." Trends In Agriculture Science 1, no. 6 (2022): 264–67. https://doi.org/10.5281/zenodo.7067172.

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Bt cotton is genetically modified by the insertion of one or more genes from a common soil bacterium, <em>Bacillus thuringiensis</em>. These genes encode for the production of insecticidal proteins, and thus, genetically transformed plants produce one or more toxins as they grow. The genes those are inserted into cotton produce toxins, named Cry 1Ac, are limited in activity almost exclusively to caterpillar pests (Lepidoptera). However, other strains of <em>Bacillus thuringiensis </em>have genes that encode for toxins with insecticidal activity on some beetles (Coleoptera) and flies (Diptera).

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21

Kouakou, Brou Julien, Koffi Christophe Kobenan, Yao Kouadio Jacques-Edouard, et al. "Intraspecific Competition in a Cotton Field (Gossypium hirsutum L.) and its Impact on Cotton Fiber Quality in Côte d'Ivoire." Asian Journal of Biology 20, no. 12 (2024): 164–71. https://doi.org/10.9734/ajob/2024/v20i12469.

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Background: In Côte d'Ivoire, cotton growing is crucial to the economy of the savannah region, accounting for 1.7% of national GDP and 7% of exports. However, yields remain insufficient due to various factors such as climate change and non-compliance with good agricultural practices. Objectives: The general objective of this study was to evaluate the effects of sowing densities on the technological characteristics of cotton fibre. Methodology: The experiment was conducted at the Station de Recherche sur le Coton in Bouaké and at the observation posts (OP) of the cotton companies (Ivoire Coton

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22

Kalkan, İsmet Ege, Elçin Emekdar-Karaman, Zuhal Karacayır, Gökhan Ünsal, and Umut Kıvanç Şahin. "Sustainable Denim Design Using Giza Cotton." European Journal of Research and Development 4, no. 1 (2024): 55–60. http://dx.doi.org/10.56038/ejrnd.v4i1.419.

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Designing denim fabrics that will have a longer wear life by combining Giza cotton, one of the best cottons in the world, with yarn technology, without using any reinforced synthetic fibers. Giza cotton will be used in the products to be developed specifically for the project. High strength yarns will be obtained with the fiber length of Giza cotton and the appropriate twist value to be applied. It is aimed that the fabrics produced from these threads will have a longer lifespan than normal cotton threads. One of the most important steps for the continuity of sustainable production will be tha

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23

Waly, A., A. T. El-Aref, F. A. Abdel-Mohdy, N. E. Zamzam, and A. Hebeish. "Synthesis and Application of Phosphorylated Glucose in Flame Retardancy Finishing." Engineering Plastics 2, no. 1 (1994): 147823919400200. http://dx.doi.org/10.1177/147823919400200104.

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An organo-phosphorus compound, namely, phosphorylated glucose (PG) was synthesized. Four chemically modified cottons, namely, carbamoylethylated, acrylamidomethylated, cellulose carbamate, and cyanoethylated cotton bearing comparable amounts of nitrogen were also prepared. The effect of incorporation of PG into a finishing formulation containing Pyrovatex CP and etherified methylolated melamine (EMM) on flame-retardancy and other properties of these modified cottons was studied when the application was carried out under different conditions. The synergistic effect of N/P ratio was thoroughly i

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Waly, A., A. T. El-Aref, F. A. Abdel-Mohdy, N. E. Zamzam, and A. Hebeish. "Synthesis and Application of Phosphorylated Glucose in Flame Retardancy Finishing." Polymers and Polymer Composites 2, no. 1 (1994): 27–34. http://dx.doi.org/10.1177/096739119400200104.

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An organo-phosphorus compound, namely, phosphorylated glucose (PG) was synthesized. Four chemically modified cottons, namely, carbamoylethylated, acrylamidomethylated, cellulose carbamate, and cyanoethylated cotton bearing comparable amounts of nitrogen were also prepared. The effect of incorporation of PG into a finishing formulation containing Pyrovatex CP and etherified methylolated melamine (EMM) on flame-retardancy and other properties of these modified cottons was studied when the application was carried out under different conditions. The synergistic effect of N/P ratio was thoroughly i

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25

Gangaiah, B., IPS Ahlawat, and MBBP Babu. "Response of nitrogen fertilization on Bt and non-Bt cotton (Gossypium hirsutum) hybrids." SAARC Journal of Agriculture 11, no. 1 (2014): 121–32. http://dx.doi.org/10.3329/sja.v11i1.18389.

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A field experiment was conducted during 2006 and 2007 (June- December) at New Delhi to assess the performance of three cotton hybrids of which two Bt (MRC 6304 & RCH 317) and one non-Bt cotton hybrid LHH 144 (North zone check) in response to nitrogen fertilization (0, 60, 120 and 180 kg ha-1). Based on pooled analysis, both Bt hybrids produced similar seed cotton yield (SCY). Bt hybrid have produced 7.1 bolls/plant (on an average) and bolls 0.48 g heavier than non Bt hybrid LHH 144 that lead to 1.07 t ha-1 higher SCY of Bt hybrids than non-Bt hybrid (1.93 t ha-1). Though the N uptake by co

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26

Liu, Yongliang, and Christopher Delhom. "The relationship between instrumental leaf grade and Shirley Analyzer trash content in cotton lint." Textile Research Journal 88, no. 10 (2017): 1091–98. http://dx.doi.org/10.1177/0040517517697641.

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With the increasing acceptance of high volume instrument (HVI™) instrumental leaf grade index in both domestic and international trading, there is a continued interest in the relationship between instrumental leaf grade and equivalent trash gravimetric content (% percent by mass) from cotton customers and regulators. Due to the complexity of not only trash type, size, and its weight distribution but also the nature of HVI and gravimetric methods, it is an on-going challenge to examine such a relationship. In this study, the Shirley Analyzer (SA) was used to determine the gravimetric cotton tra

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27

Zhu, Shouhong, Xiuli Yu, Yanjun Li, Yuqiang Sun, Qianhao Zhu, and Jie Sun. "Highly Efficient Targeted Gene Editing in Upland Cotton Using the CRISPR/Cas9 System." International Journal of Molecular Sciences 19, no. 10 (2018): 3000. http://dx.doi.org/10.3390/ijms19103000.

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The clustered regularly interspaced short palindromic repeats/CRISPR-associated protein 9 (CRISPR/Cas9) gene editing system has been shown to be able to induce highly efficient mutagenesis in the targeted DNA of many plants, including cotton, and has become an important tool for investigation of gene function and crop improvement. Here, we developed a simple and easy to operate CRISPR/Cas9 system and demonstrated its high editing efficiency in cotton by targeting-ALARP, a gene encoding alanine-rich protein that is preferentially expressed in cotton fibers. Based on sequence analysis of the tar

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KOMORI, KAZUHIRO. ""Nature Cotto" Organic Cotton for Textile Blend." FIBER 65, no. 7 (2009): P.237—P.241. http://dx.doi.org/10.2115/fiber.65.p_237.

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Zhang, Hong-Bin, Yaning Li, Baohua Wang, and Peng W. Chee. "Recent Advances in Cotton Genomics." International Journal of Plant Genomics 2008 (January 23, 2008): 1–20. http://dx.doi.org/10.1155/2008/742304.

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Genome research promises to promote continued and enhanced plant genetic improvement. As a world's leading crop and a model system for studies of many biological processes, genomics research of cottons has advanced rapidly in the past few years. This article presents a comprehensive review on the recent advances of cotton genomics research. The reviewed areas include DNA markers, genetic maps, mapped genes and QTLs, ESTs, microarrays, gene expression profiling, BAC and BIBAC libraries, physical mapping, genome sequencing, and applications of genomic tools in cotton breeding. Analysis of the cu

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30

Njouenwet, Ibrahim, Derbetini Appolinaire Vondou, Stephanie Vanessa Ngono Ashu, and Robert Nouayou. "Contributions of Seasonal Rainfall to Recent Trends in Cameroon’s Cotton Yields." Sustainability 13, no. 21 (2021): 12086. http://dx.doi.org/10.3390/su132112086.

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Cotton yields in the Sudano-Sahelian region contribute to food security through their role in agricultural productivity. Daily precipitation data and cotton yield data were synthesized from nine agricultural regions obtained from the “Société de Développement du Coton (SODECOTON)”. The following seasonal rainfall indices—from Cameroon’s cotton zone—were mapped with geographic information systems for spatial analysis: wet season onset and retreat date, rainfall amount, number of rainy days, rainfall intensity (SDII), heavy-rainfall events (R95p), consecutive dry days (CDD), annual highest daily

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Chen, Lei, Yanhua Yuan, and Zhanxiong Li. "Preparation of fluoropolymer with gem-bis-fluoroalkylated side-chain and its application on cotton fabric finishing." Canadian Journal of Chemistry 97, no. 2 (2019): 147–53. http://dx.doi.org/10.1139/cjc-2017-0761.

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In this study, three types of fluorinated polyacrylates (PBFB, PBFS, and PMFA) were synthesized by 4-gem-bis(2,2,3,3,4,4,5,5,5-nonafluoropentyl)-1-butene, 4-gem-bis(2,2,3,3,4,4,5,5,5-nonafluoropentyl)-methine-1-styrene, and 3,3,4,4,5,5,6,6,6-nonafluorohexyl acrylate, respectively, as monomers via emulsion polymerization. Particle size, particle size distribution, and zeta potential were tested to assess the emulsion stability. Afterwards, the latexes were coated onto fabrics to obtain gem-bis(fluoroalkyl)-cotton. The surface properties of the treated cotton fabrics were analyzed by X-ray photo

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Armijo, Carlos B., Derek P. Whitelock, Joe W. Thomas, Sidney E. Hughs, and Marvis N. Gillum. "COTTON GINNERS HANDBOOK: Roller Ginning." Journal of Cotton Science 21, no. 3 (2017): 199–209. http://dx.doi.org/10.56454/vmim5000.

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Roller ginning provided the first mechanical means of separating cotton lint from seed. The first true roller gin was the Churka gin, which produced up to 2.3 kg (5.0 lb) of lint/day. In 1840, the McCarthy gin was invented to gin extra-long-staple (ELS) cotton. Although the ginning capacity of the McCarthy gin was a major improvement over the Churka gin, capacity was limited to about 18 kg (40 lb) of lint per hour. In the late 1950s and early 1960s, a rotary-knife roller gin was developed. The rotary-knife roller gin had a ginning rate 12 times higher than the McCarthy gin, though the rotary k

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Gore, Jeffrey, and John J. Adamczyk. "Characterization of Soybean Looper (Lepidoptera: Noctuidae) Tolerance to Bollgard® Cotton: Implications for Resistance Management." Journal of Entomological Science 39, no. 2 (2004): 235–42. http://dx.doi.org/10.18474/0749-8004-39.2.235.

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The soybean looper, Pseudoplusia includens (Walker), is an occasional pest of cotton and an annual pest of soybean in the southern United States. The development of resistance by soybean looper to the Bacillus thuringiensis Berliner Cry1Ac protein in Bollgard® cotton could potentially influence the efficacy of foliar B. thuringiensis products in soybean. Soybean looper larvae and pupae collected from plots of Bollgard cotton weighed less than larvae and pupae collected from non-Bollgard cotton. Soybean loopers collected from non-Bollgard and Bollgard cotton were maintained separately in the la

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Thorp, K. R., S. Ale, M. P. Bange, et al. "Development and Application of Process-based Simulation Models for Cotton Production: A Review of Past, Present, and Future Directions." Journal of Cotton Science 18, no. 1 (2014): 10–47. http://dx.doi.org/10.56454/oovc6073.

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The development and application of cropping system simulation models for cotton production has a long and rich history, beginning in the southeastern U. S. in the 1960s and now expanded to major cotton production regions globally. This paper briefly reviews the history of cotton simulation models, examines applications of the models since the turn of the century, and identifies opportunities for improving models and their use in cotton research and decision support. Cotton models reviewed include those specific to cotton (GOSSYM, Cotton2K, COTCO2, OZCOT, and CROPGRO-Cotton) and generic crop mo

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Koleva, Minka, and Valentina Dimitrova. "Stability analysis of the new cotton lines." Agricultural Sciences 13, no. 31 (2021): 87–96. http://dx.doi.org/10.22620/agrisci.2021.31.013.

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The genotype × environment interaction and the stability of eight cotton lines and the standard variety were studied during 2014-2017. The years of the study appeared to be as different ecological environments. The stability variances (2i and S2i) of Shukla (1972) and YSi index of Kang (1993) were calculated. It was found that the cotton genotypes tested interacted significantly with the environmental (year) conditions in terms of seed cotton yields, boll weigt, fiber length and lint persentage. For an effective selection of these traits, the genotypes had to be tested in different years at d

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Jagannath, Patil Sanjaykumar, and Dr Pandit Yashwant Mali. "Is Cotton a Real Cash Crop ? Cotton Growing Frmer’s Perspectives." International Journal of Scientific Research 2, no. 1 (2012): 131–35. http://dx.doi.org/10.15373/22778179/jan2013/46.

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Wei, Yangyang, Zhaoguo Li, Tom C. Wedegaertner, et al. "Conservation and Divergence of Phosphoenolpyruvate Carboxylase Gene Family in Cotton." Plants 11, no. 11 (2022): 1482. http://dx.doi.org/10.3390/plants11111482.

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Phosphoenolpyruvate carboxylase (PEPC) is an important enzyme in plants, which regulates carbon flow through the TCA cycle and controls protein and oil biosynthesis. Although it is important, there is little research on PEPC in cotton, the most important fiber crop in the world. In this study, a total of 125 PEPCs were identified in 15 Gossypium genomes. All PEPC genes in cotton are divided into six groups and each group generally contains one PEPC member in each diploid cotton and two in each tetraploid cotton. This suggests that PEPC genes already existed in cotton before their divergence. T

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Armijo, Carlos B., Efrem Bechere, Derek P. Whitelock, and Paul A. Funk. "Cotton Genotype Differences in Seed Coat Fragments Related to Seed Fragility and Fiber-Seed Attachment Force." Applied Engineering in Agriculture 38, no. 3 (2022): 517–22. http://dx.doi.org/10.13031/aea.14325.

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HighlightsRelationships between seed coat fragments and other seed and fiber properties were examined among cotton genotypes.Genotypes in the study had a broad range of properties that were significantly different among genotypes.Seed coat fragment levels were significantly correlated with cottonseed fragility, fiber-seed attachment force, and ginning energy.Longer, stronger cottons tended to have higher seed coat fragment levels.Abstract. Seed coat fragments (SCF) are difficult to remove from ginned lint. Cotton genotypes vary in SCF levels, but details are lacking regarding the cause of SCF.

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Cao, Junfeng, Chaochen Huang, Jun’e Liu, et al. "Comparative Genomics and Functional Studies of Putative m6A Methyltransferase (METTL) Genes in Cotton." International Journal of Molecular Sciences 23, no. 22 (2022): 14111. http://dx.doi.org/10.3390/ijms232214111.

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N6-methyladenosine (m6A) RNA modification plays important regulatory roles in plant development and adapting to the environment, which requires methyltransferases to achieve the methylation process. However, there has been no research regarding m6A RNA methyltransferases in cotton. Here, a systematic analysis of the m6A methyltransferase (METTL) gene family was performed on twelve cotton species, resulting in six METTLs identified in five allotetraploid cottons, respectively, and three to four METTLs in the seven diploid species. Phylogenetic analysis of protein-coding sequences revealed that

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V, CHELLAMUTHU. "FLOWERING AND EARLINESS IN COTTON AS INFLUENCED BY SPACING AND FERTILIZER LEVELS UNDER RAINFED BLACK SOILS." Madras Agricultural Journal 76, April (1989): 200–203. http://dx.doi.org/10.29321/maj.10.a02048.

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Studies were conducted at Cotton and Millets Experiment Station, Kovilpatti during Rabi 1983 and 1984 to study the effect of spacing (45x30cm and 60x30cm) and fertilizer levels (NoPo Nao P20 NeoPo and NeoPs0 kg/ha) on flowering and earliness in four hirsutum Cotten varieties viz., KC. 1: Supriya, MCU. 10 and LRA. 5166. The results revealed that there was no significant difference between the varieties studied. The earliness of cotton varieties was significantly influenced by both spacing and fertilizer levels. Days taken for first flowering and 50 per cent flowering were also influenced by fer

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Kim, Hee Jin, Yongliang Liu, Gregory N. Thyssen, Marina Naoumkina, and James Frelichowski. "Phenomics and transcriptomics analyses reveal deposition of suberin and lignin in the short fiber cell walls produced from a wild cotton species and two mutants." PLOS ONE 18, no. 3 (2023): e0282799. http://dx.doi.org/10.1371/journal.pone.0282799.

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Fiber length is one of the major properties determining the quality and commercial value of cotton. To understand the mechanisms regulating fiber length, genetic variations of cotton species and mutants producing short fibers have been compared with cultivated cottons generating long and normal fibers. However, their phenomic variation other than fiber length has not been well characterized. Therefore, we compared physical and chemical properties of the short fibers with the long fibers. Fiber characteristics were compared in two sets: 1) wild diploid Gossypium raimondii Ulbrich (short fibers)

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Bel, Patricia Damian, and Bugao Xu. "Measurements of seed coat fragments in cotton fibers and fabrics." Textile Research Journal 81, no. 19 (2011): 1983–94. http://dx.doi.org/10.1177/0040517511407370.

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Seed coat fragments (SCFs) are the parts of a seed coat that have been broken from the surface of either mature or immature seeds during mechanical processing. SCFs can cause spinning problems and fabric defects, which ultimately cause financial losses to the cotton industry. The objective of this study was to develop and evaluate an image-analysis tool that detects SCFs on fabrics and compares various methods of detection of SCFs in fiber and fabric. The first part of this paper looks at 12 international cottons (a broad range of cottons from distinctly different regions). The version called

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Aifa, Emile. "Approche Strategique pour Rentabilite Economique du Coton dans la Commune de Banikoara au Benin: la Cuma comme une Response Alternative?" European Scientific Journal, ESJ 18, no. 25 (2022): 48. http://dx.doi.org/10.19044/esj.2022.v18n25p48.

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Avec une production qui ne cesse de croître depuis 2016, le coton place actuellement le Bénin au rang du premier pays producteur du coton en Afrique. Pour maintenir cette tendance profitable à l’économie nationale, il est nécessaire de la rendre plus rentable aux producteurs, surtout avec la mise en œuvre de réformes visant la mécanisation de l’agriculture. C’est ce qui justifie cette étude ayant pour centre d’intérêt, la rentabilité économique de la production du coton, avec comme cadre expérimental, la localité de Banikoara, qui en est le premier producteur au plan national. L’objectif visé

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Delhom, Christopher D., Vikki B. Martin, and Martin K. Schreiner. "COTTON GINNERS HANDBOOK: Textile Industry Needs." Journal of Cotton Science 21, no. 3 (2017): 210–19. http://dx.doi.org/10.56454/zelz3209.

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The immediate customers of cotton gins are the producers; however, the ultimate customers are textile mills and consumers. The ginner has the challenging task to satisfy both producers and the textile industry. Classing and grading systems are intended to assign an economic value to the bales that relates to textile mill demands and the quality of the end product. International textile mills currently are the primary consumers of U.S. cotton lint where it must compete against foreign origins. International textile mills manufacture primarily ring-spun yarns, whereas domestic mills manufacture

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van der Sluijs, Marinus H. J., Christopher Delhom, J. Wanjura, and Greg A. Holt. "A Preliminary Investigation into the Feasibility of Gin Blending." Journal of Cotton Science 23, no. 1 (2019): 97–108. http://dx.doi.org/10.56454/amjd2168.

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The biggest discounts to the grower are for grade, length and micronaire. Since round modules do not blend cotton from multiple parts of a field as conventional modules did, some round modules may fall below base grade. This study was initiated as a preliminary evaluation to determine the effect of gin blending on fiber, yarn and fabric processing performance and quality and the potential economic return to the grower. One lot of irrigated and dryland stripper-harvested seed cotton, with different pre-determined micronaire and length properties, were blended together in four different ratios (

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Reynolds, Nancy Y. "NATIONAL SOCKS AND THE “NYLON WOMAN”: MATERIALITY, GENDER, AND NATIONALISM IN TEXTILE MARKETING IN SEMICOLONIAL EGYPT, 1930–56." International Journal of Middle East Studies 43, no. 1 (2011): 49–74. http://dx.doi.org/10.1017/s0020743810001194.

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AbstractThe specific ways that cloth—“foreign silks,” “durable Egyptian cottons,” and “artificial silks”—emerged as a potent and visible symbol through which to contest the relations of colonialism and establish national community in Egypt varied with the changing realities of Egypt's political economy. The country's early importation of textiles despite its cultivation of raw cotton, the growth of its state-protected local mechanized industry working long- and medium-staple cotton for a largely lower-class market, and that industry's diversification into artificial silk technologies all helpe

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Sarimsakov, Olimjon, Shukhrat Najmitdinov, and Nadir Navruzov. "Examination of The Fiber Quality Obtained From the Observed Fiber Separation Machine in Other Manufacturing Enterprise Types." ACUMEN: INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH 1, no. 4 (2024): 165–70. https://doi.org/10.5281/zenodo.14206307.

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A number of works are being carried out in our country to improve the cotton processing industry and to equip it with new technologies in line with world standards. Due to such reforms carried out in the field, cotton fiber marked "Made in Uzbekistan" occupies a worthy place in the world's leading exchanges. Our republic is one of the main countries producing and supplying the most important product - cotton and products made from it - with great export potential. As the President noted: "Uzbekistan is the main producer and supplier of cotton fiber, a product that is in high demand in the worl

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TOGOLA, Mamadou, Awa S. DOUMBIA, Mouctar BABA, et al. "Etude Comparative Des Produits Issus De La Transformation En Filature Des Fibres De Trois Nouvelles Variétés De Cotonnier." International Journal of Progressive Sciences and Technologies 34, no. 2 (2022): 314. http://dx.doi.org/10.52155/ijpsat.v34.2.4632.

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Résumé - Au Mali, comme ailleurs en Afrique, la sélection variétale est à la base du succès de la culture cotonnière. Le coton du Mali est presqu’entièrement exporté ; les fibres issues des variétés cultivées doivent répondre aux exigences du marché en termes de caractéristiques technologiques des fibres, facteurs clés du fonctionnement de la filature. Cette étude comparative a été réalisée sur trois nouvelles variétés de cotonniers A, B et C, issues d’un point d'expérimentation. L'objectif de l'étude est d’identifier les variétés ayant les meilleures performances variétales et industrielles p

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DHILLON, M. K., G. PAMPAPATHY, R. M. WADASKAR, and H. C. SHARMA. "Impact of Bt transgenic cottons and insecticides on target and non-target insect pests, natural enemies and seedcotton yield in India." Indian Journal of Agricultural Sciences 82, no. 3 (2012): 248–54. http://dx.doi.org/10.56093/ijas.v82i3.15948.

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Genetically engineered cottons expressing ä-endotoxins from Bacillus thuringiensis have been adopted on a large- scale worldwide. Therefore, we studied the efficacy of Bt cottons for the management of bollworms, their effects on non- target insects, and seedcotton yield under insecticide protected and unprotected conditions. Helicoverpa armigera and Earias vittella damage was significantly lower in Bt than in non-Bt cottons, while no significant differences were observed in egg-laying by H. armigera. The populations of major non-target sucking insect pests such as Amrasca biguttula biguttula,

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Bommireddy, P. L., and B. R. Leonard. "Age-Specific Mortality of Helicoverpa zea and Heliothis virescens (Lepidoptera: Noctuidae) Larvae on Flower Buds of Transgenic Cotton Expressing Vip3A and VipCot™ Insecticidal Proteins." Journal of Entomological Science 43, no. 4 (2008): 349–61. http://dx.doi.org/10.18474/0749-8004-43.4.349.

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The age-specific mortality of bollworm, Helicoverpa zea (Boddie), and tobacco budworm, Heliothis virescens (F.), larvae was quantified on flower buds (squares) of transgenic Bacillus thuringiensis (Bt) cotton expressing Vip3A and VipCot™ (Vip3A + CrylAb) proteins. Cumulative mortality levels for both species and all larval ages (2 d, 4 d, 6 d, and 8-d-old) were significantly higher on squares of the Vip3A and VipCot cotton lines compared with that for the nonBt Coker 312 cotton. In general, H. zea and H. virescens larvae demonstrated significantly lower survival on VipCot squares compared with

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