Effects of Salinity Stress on Some Growth, Physiological, and Biochemical Parameters in Cotton (Gossypium hirsutum L.) Germplasm

文献类型： 外文期刊

第一作者： Zafar, Muhammad Mubashar

作者： Zafar, Muhammad Mubashar;Shakeel, Amir;Manan, Abdul;Sahar, Adeela;Farooq, Muhammad Awais;Mo, Huijuan;Ren, Maozhi;Haroon, Muhammad;Shoukat, Abbas

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关键词： Gossypium hirsutum l; (cotton); salinity; yield traits; 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： The production of cotton is negatively affected by salinity. For this purpose, 8 parents and their 16 F1 hybrids were evaluated under saline stress (15 dSm(-1)) in Line x Tester fashion. Mean values of plant height, number of bolls plant(-1), boll weight, lint weight, seed cotton yield plant(-1), seed index, no. of seeds boll(-1), seed mass boll(-1), lint mass boll(-1), seed volume per 100 seeds, fiber strength, fiber length, lint%, K+, K+/Na+ ratio, CAT, TSP, chlorophyll a, b, and relative water contents decreased under salt stress whilst the values of lint index, seed density, fiber fineness, Na+, H2O2, SOD, POD carotenoids, malondialdehyde, phenolic contents, ascorbic acid, and flavonoids increased under saline conditions. Under saline MS-71x CRS-2007, MS-71x KAHKASHAN, and IUB-65 x FH-312 exhibited performed better than other genotypes for most traits. For fiber quality traits IUB-65x CRS-2007 and IUB-65x FH-312 showed the highest value under salt stress. Improved identified cotton genotypes can enhance our capacity to grow cotton in salt-affected soils and the key morpho-biochemical traits can potentially be exploited to obtain higher and more stable crops yield under stressed environments.

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