| 谷子发芽期和幼苗前期耐盐性鉴定指标的研究 |
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| 引用本文： | 田伯红,王建广,李雅静,张立新,孔德平.谷子发芽期和幼苗前期耐盐性鉴定指标的研究[J].河北农业科学,2008,12(7):4-6. |
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| 作者姓名： | 田伯红 王建广 李雅静 张立新 孔德平 |
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| 作者单位： | 沧州市农林科学院,河北,沧州,061001 |
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| 摘 要： | 采用5种不同浓度的NaCl胁迫,以谷子发芽期发芽势和发芽率的相对盐害率以及幼苗前期的根长和苗高的相对盐害率作为鉴定评价指标,研究谷子发芽期和幼苗前期耐盐性鉴定的盐胁迫条件。结果表明：200 mmol/L或250 mmol/L NaCl处理可作为谷子发芽期耐盐性鉴定的盐胁迫条件;150 mmol/L或200 mmol/LNaCl处理可作为谷子幼苗前期耐盐性鉴定的盐胁迫条件。
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| 关 键 词： | 谷子 发芽期 幼苗前期 耐盐性 相对盐害率 鉴定指标 |
Studies on Screening Indexes for Salt Tolerance of Millet during Germination Period and Early Seedling Stage |
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| TIAN Bo-hong,WANG Jian-guang,LI Ya-jing,ZHANG Li-xin,KONG De-ping.Studies on Screening Indexes for Salt Tolerance of Millet during Germination Period and Early Seedling Stage[J].Journal of Hebei Agricultural Sciences,2008,12(7):4-6. |
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| Authors: | TIAN Bo-hong WANG Jian-guang LI Ya-jing ZHANG Li-xin KONG De-ping |
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| Institution: | (Cangzhou Academy of Agricultural and Forestry Sciences, Cangzhou 061001, China) |
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| Abstract: | Five different NaCl concentrations as simulating salt stress,the relative salt damage rate(RSDR) of millet germination energy(GE) and germination rate(GR) at germination stage,RSDR of millet root length(RL) and seedling height(SH) at early seedling stage were used as evaluation indexes.The salt stress conditions for evaluation salt tolerance during germination period and early seedling stage of millet were studied.The result showed that 200 mmol/L or 250 mmol/L NaCl stress was good condition for the evaluation of salt tolerance at germination stage,and the 150 mmol/L or 200 mmol/L NaCl stress was good condition for the evaluation of salt tolerance at early seedling stage. |
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| Keywords: | Millet Germination period Early seedling stage Salt tolerance Relative salt damage rate Screening indexes |
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