NaCl胁迫对西瓜种子发芽的影响
孙敏红;孙德玺;邓云;何兰银
【期刊名称】《中国瓜菜》 【年(卷),期】2009(022)004
【摘要】The salt tolerance of two watermelon varieties(Zhengkang No. 2 and Zhongke No. 6)was studied during seed germination. The two watermelon varieties were evaluated for their seed germination percentage ,germination rate ,length of radical, germination index (GI)and vitality index (VI)with different concentration of NaCl solution treatment. The results showed that all the measurements for Zhongke No. 6 were increased under the low NaCI concentration (40 mmol/L) ,and were declined with concentration more than 40 mmol/L. However,each measurement for Zhengkang No. 2 was declined with the increase of NaCl concentration. The salt tolerance of Zhongke No. 6 was greater than Zhengkang No. 2 in the range of NaCl concentration 80-200 mmol/L.%为了研究2个西瓜品种(郑抗2号及中科6号)种子的耐盐情况.采用不同浓度的NaCl溶液处理西瓜种子,并研究其发芽势、发芽率、胚根长度、发芽指数和活力指数的变化情况.结果表明.中科6号在NaCl溶液低浓度条件下(40mmol/L)各项指标均有上升;超过40mmol/L时,各项指标则下降.郑抗2号的各项指标随着NaCl溶液浓度的增加均下降,在80～200mmol/L时,对盐胁迫的适应能力弱于中科6号. 【总页数】4页(8-11)
【关键词】西瓜;NaCl胁迫;种子;发芽;耐盐性 【作者】孙敏红;孙德玺;邓云;何兰银
【作者单位】中南林业科技大学资源与环境学院,长沙,410004;中国农业科学院郑州果树研究所,郑州,450009;中国农业科学院郑州果树研究所,郑州,450009;中南林业科技大学资源与环境学院,长沙,410004 【正文语种】中文 【中图分类】S6 【文献来源】
https://www.zhangqiaokeyan.com/academic-journal-cn_china-cucurbits-vegetables_thesis/0201260102518.html 【相关文献】
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NaCl胁迫对西瓜种子发芽的影响
