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不同品种甜高粱幼苗耐受渗透胁迫能力的研究

DOI: 10.7668/hbnxb.2010.04.029, PP. 136-140

Keywords: PEG,甜高粱,生理指标,渗透胁迫

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Abstract:

以BJ-17、BJ-18、M-001103个甜高粱品系为试验材料,对不同浓度乙二醇(PEG)处理下甜高粱幼苗的质膜透性、叶绿素、脯氨酸、丙二醛等生理指标含量变化进行了研究.结果表明:渗透胁迫下甜高粱幼苗的质膜透性增大,叶绿素、脯氨酸、丙二醛等含量升高.3个品系相比,BJ-18耐渗透胁迫的能力最强,BJ-17次之,M-00110最差.为甜高粱抗逆栽培和品种选育提供理论依据.

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