Genetic Variation Studies of Ionic and within Boll Yield Components in Cotton (Gossypium Hirsutum L.) Under Salt Stress

文献类型： 外文期刊

第一作者： Zafar, Muhammad Mubashar

作者： Zafar, Muhammad Mubashar;Razzaq, Abdul;Rehman, Abdul;Mo, Huijuan;Ren, Maozhi;Youlu, Yuan;Farooq, Muhammad Awais;Shakeel, Amir;Firdous, Hina;Ashraf, Muhammad

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关键词： Cotton; salinity; Line × Tester; gene action; ionic homeostasis; fiber traits; antioxidants; hydrogen peroxide

期刊名称：JOURNAL OF NATURAL FIBERS （ 影响因子：5.323； 五年影响因子：4.183 ）

ISSN： 1544-0478

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收录情况： SCI

摘要： Cotton (Gossypium hirsutum L.) productivity is decreasing alarmingly by salinity. For genetic analysis of cotton response to salinity 8 parental genotypes and their 16 F-1 crosses were evaluated in Line x Tester fashion under normal and salt stress 15 dSm(-1). Data were recorded for plant height, number of bolls plant(-1), boll weight, lint weight, seed cotton yield plant(-1), lint percentage, seed index, lint index, number of seeds boll(-1), seed mass boll(-1), lint mass boll(-1), lint mass per seed, seed volume 100(-1) seeds, seed surface area, ionic ratio, fiber strength, fiber length, fiber fineness, GOT %, SOD, POD, CAT, TSP, and H2O2. The results showed that SCA estimates were higher than the GCA indicating the preponderance of non-additive gene action. Kahkashan, MS-71, and CRS-2007 were found good general combiner whereas FH-114 x FH-312 was found the best specific combiner. FH-114 x KAHKASHAN and FH-114 x FH-312 demonstrated significant heterosis for most traits under normal and salt stress conditions. The present study revealed that salt tolerance ability is controlled by a few dominant genes in the identified genotypes.

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