摘要：以89份玉米自交系为试验材料，萌发期采用NaHCO3:Na2CO3物质的量比为5:1、 浓度170mmol·L-1盐碱胁迫处理，以发芽势、发芽率等8个性状为鉴定指标，对测量性状的隶属函数值进行主成分分析及聚类分析，从而对供试材料进行综合评价，结果表明：盐碱胁迫下品种表现差异显著，将89份玉米自交系划分为四类，高耐盐碱自交系6份，中耐盐碱自交系13份，盐碱一般敏感自交系27份，盐碱敏感自交系42份，19份耐盐碱材料可用于苗期或田间耐盐碱性研究。
英文摘要:
Abstract: 89 maize inbred lines were used as experimental materials. During the germination period, MNaHCO3:M Na2CO3=5:1, 170mmol·L-1 saline-alkali stress treatment was used, and 8 traits such as germination potential and germination rate were used as identification indicators. The functional evaluation, correlation analysis, principal component analysis and cluster analysis method were used to comprehensively evaluate the results. The results showed that the varieties showed significant differences under salt-alkali stress, and 89 maize inbred lines were divided into four categories. 6 parts of high saline-alkaline-resistant inbred lines, 13 parts of moderate saline-alkaline -resistant inbred lines, 27 parts of general salt-alkali-sensitive inbred lines, 42 parts of saline-alkali-sensitive inbred lines, 19 parts of salt-alkali-resistant materials can be used for seedling stage or field resistance Salt alkaline research.
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