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42个新疆海岛棉品种萌发期耐盐性评价

Zhao Kang, Yang Tao, Wang Honggang,Li Shengmei,Pang Bo,Ma Shangjie,Gao Wenwei

wf(2022)

Cited 0|Views12
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Abstract
为了解新疆海岛棉品种在萌发期的耐盐性差异,用150mmol/L的NaCl对42个新疆海岛棉品种进行萌发期耐盐性评价和筛选.结果表明,在盐胁迫下,42个海岛棉品种发芽率、发芽势、发芽指数和鲜重均受到不同程度的抑制;各指标间存在极显著相关;通过主成分分析确定了 2个主成分,主要反映萌发、干物质积累和含水量;主成分综合得分值和模糊隶属函数均值之间呈极显著正相关.通过二者的综合评价值,将42个海岛棉品种聚为4类,分别为高耐盐、中耐盐、弱耐盐和盐敏感类品种,为海岛棉品种的耐盐性评价和鉴定提供理论基础.
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