Identifying lint properties of some cotton genotypes (Gossipum hirsutum L.) using different statistical models

Lina Q. Ahmed, B. Mahmood, Muhammad Kazhal K
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Abstract

The study was conducted to compare between nine cottonseed genotypes ( Gossipum hirsutum L) which included, two local Iraqi genotypes Coker 310 and Lachata (which originating from America and Spanish and recorded in Iraq) and three of the Bakhtegan, Khordad, Varamin genotypes are from Iran, and four of them Cafko, Dunn 1047, Montana, Stoneville genotypes are from America (USA) which aimed to identify yield components and fiber quality properties. The field experiment was designed with randomised complete block design using three replicates in Grdmal village, south Erbil, which is 30 km far from centre of Erbil, Iraq. Statistical analysis of the traits shown significant differences among the nine cotton genotypes, significantly maximum fiber strength, fiber elongation and protein yield (33.20 (g tex -1 ), 6.80 % and 118.27) were recorded by the first Iraq’s genotype Lachata. Highest values of fitness and fibre weight plant -1 (4.70 microner and 6.64 g) were recorded from Bakhtegan Iran’s genotype. Maximum value for uniformity (85.10 %) was also recorded by Khdorda Iran’s genotype. From the principal component analysis (PCA) shows the angle value between each of the two variables elongation, uniformity and strength is ≤ 90 º it means there was significant correlation between them and
利用不同统计模型鉴定几种棉花基因型(Gossium hirsutum L.)的皮棉特性
本研究比较了9种棉籽基因型(Gossium hirsutum L),其中包括两种伊拉克本土基因型Coker 310和Lachata(原产于美国和西班牙,在伊拉克有记录),以及三种Bakhtegan、Khordad和Varamin基因型来自伊朗,其中四种来自Cafko、Dunn 1047、Montana,Stoneville基因型来自美国,旨在鉴定产量组成和纤维品质特性。现场实验采用随机完全区块设计,在距离伊拉克埃尔比勒市中心30公里的埃尔比勒南部Grdmal村进行了三次重复。对性状的统计分析表明,9个棉花基因型之间存在显著差异,第一个伊拉克基因型Lachata记录了显著的最大纤维强度、纤维伸长率和蛋白质产量(33.20(g tex-1)、6.80%和118.27)。适合度和纤维重量植物-1(4.70微米和6.64克)的最高值来自伊朗的Bakhtegan基因型。伊朗Khdorda的基因型也记录了一致性的最大值(85.10%)。主成分分析(PCA)显示,伸长率、均匀性和强度这两个变量之间的角度值均≤90º,这意味着它们之间存在显著相关性
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