文档介绍：2012 年 4 月中国油料作物学报
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2012 34 2 168 - 173 Chinese journal of oil crop sciences
不同花生品种系萌发期耐盐性的鉴定与评价
刘永惠1 ,沈一1 ,陈志德1* ,王州飞2 ,颜伟1
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1. 江苏省农业科学院粮食作物研究所江苏南京 210014 2. 南京农业大学农学院江苏南京 210095
摘要以相对发芽势、相对发芽率和相对发芽指数为指标对 41 个花生品种系萌发期的耐盐性进行鉴定。
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结果表明盐胁迫对花生种子萌发有显著的抑制作用这种抑制效应随着胁迫浓度的增加而增强 0. 5% NaCl 胁迫
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能较好反映品种萌发期的耐盐性差异可用于花生品种资源的耐盐性鉴定。聚类分析表明在欧氏距离 D = 15 水
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平上可以细分为 A、B、C、D、E 共 5 个类群其中 A 类群耐盐性较强 E 类群表现为盐敏感。不同地区品种对不同
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NaCl 浓度的耐性差异明显河南品种的耐盐性较强不同类型花生品种中以高世代品系的耐盐性较强。本研究筛
选到 3 份耐盐品种和 2 份盐敏感品种。
关键词花生萌发期耐盐鉴定聚类分析
中图分类号S565. 203 文献标识码A 文章编号1007 - 9084 2012 02 - 0168 - 06
Identification of salt tolerance in peanut varieties /lines at the germination stage
1 , 1 , 1* , 2 , 1
LIU Yong - hui SHEN Yi CHEN Zhi - de WANG Zhou - fei YAN Wei
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1. Institute of Food Crops Jiangsu Academy of Agricultural Sciences Nanjing 210014 China
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2. College of Agriculture Nanjing Agricultural University Nanjing 210095 China
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Abstract Salt - tolerance indexes of 41 peanut materials including relative germination potential relative
germination rate and germination index were identified to screen salt - tolerant varieties. Results showed that germi-
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nation of peanut seeds was significantly inhibited by salt and the effect was enhanced by increasing salt concentra-
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tion. 0. 5% NaCl could be selected as the final concentration for