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GENETIC CHARACTERISTICS OF COTTON VARIETIES IN TEXTILE VARIETY TESTS

机译:纺织品种试验中棉花品种的遗传特征

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The USA is losing its textile industry to foreign competition. In turn, the cotton grower is losing its best customer, the USAtextile industry. A modern textile industry needs modern fiber that can only be obtained through improved varieties. TheRegional High Quality test (RHQ) is a variety test, which evaluates the fiber quality of newly developed varieties and strains.In 2001, the RHQ was coordinated with a Textile Variety Test (TVT) that evaluated the spinning efficiency of varieties,which were processed through modern ring, rotor, and vortex spinning units. The TVT involved evaluating eightbales/variety for cottons produced in South Georgia, Mississippi Delta, and West Texas. The number of varieties for eacharea was six, seven, and eight, respectively. The combination of variable environments and varieties produced a wide rangeof fiber properties. In 2001, the RHQ evaluated 19 varieties and strains that were grown in nine states from the Carolinas toEast Texas. The objective of the RHQ test was to provide a broader array of genotypes in which data obtained from the TVTcould be used to evaluate each variety’s textile performance and mill value. The six varieties common to Georgia and theDelta were grown in the RHQ. They showed similar fiber properties as when grown in the TVT. There were large geneticvariances for yield, which were negatively correlated with desirable fiber traits. The correlation of yield with HVI length,strength, and micronaire was –0.33 –0.62, and 0.75, respectively. These results show that by coordinating existing varietytests with specialty tests, such as the TVT, that much more useful information can be obtained which can enhance many segmentsof the cotton industry.
机译:美国正在失去纺织行业的外国竞争。反过来,棉花种植者正在失去最优惠的客户,亚非外星产业。现代纺织工业需要现代纤维,只能通过改进的品种获得。在那里高质量的测试(RHQ)是一种品种测试,它评估了新开发的品种和菌株的纤维质量。2001年,RHQ与纺织品种测试(TVT)协调,评估了各种品种的纺纱效率通过现代环,转子和涡旋纺纱装置。 TVT涉及在南格里摩亚,密西西比特拉和西德克萨斯州生产的棉花的八面包/品种。 Aleraea的品种数量分别为六个,七和八个。可变环境和品种的组合产生了宽范围的纤维性能。 2001年,RHQ评估了19个品种和菌株,这些品种和菌株从Carolinas Toast Dexast德克萨斯州的九个州种植。 RHQ测试的目的是提供更广泛的基因型阵列,其中从TVTcould获得的数据用于评估每个品种的纺织性能和轧机价值。格鲁吉亚和泰特拉共同的六个品种在RHQ中生长。它们显示出类似的纤维属性,就像在TVT中生长时一样。产率大的遗传符号,与所需的纤维性状负相关。产率与HVI长度,强度和微金属的相关性分别为-0.33 -0.62和0.75。这些结果表明,通过协调具有特种测试的现有变化,例如TVT,可以获得更有用的信息,可以增强棉花行业的许多细分。

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