Effect of Salt Stress on Seed Germination of RiceChinese Full Text
ZHANG Jing
Abstract: 为了明确盐胁迫对水稻种子发芽影响的临界浓度,为水稻发芽期盐胁迫相关研究的材料处理打下基础,本实验以水稻恢复系9311为材料,通过在其生长的土壤中添加0、40、80、120、160、200、240 mM NaCl溶液,观察幼苗形态,并对发芽率、株高进行统计分析。结果发现:随着NaCl浓度增加,种子发芽率降低,但40 mM盐溶液处理对发芽率没有显著影响,其他各处理均与对照组有极显著差异;各处理组与对照组在播种后10天幼苗株高差异极显著,200、240 mM处理几乎不能成苗。认为80～160 mM是水稻发芽期盐胁迫研究材料处理的适合浓度。
- DOI：
10.16590/j.cnki.1001-4705.2012.01.057
- Series：
- Subject：
- Classification Code：
S511
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