华北地区四个野生大豆保护区野生大豆种子耐盐性的比较研究
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Comparing of Salt Tolerance of Wild Soybean (Glycine soja) Seeds in Different Regions of Northern China
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    摘要:

    以4个野生大豆保护区共40个野生大豆种质为材料,在种子萌发期对其进行NaCl不同浓度(25mmol/L、75 mmol/L、125 mmol/L、175 mmol/L)的盐胁迫处理,分析其4项耐盐指标,研究不同地区野生大豆种质耐盐性。结果表明:随着NaCl浓度的提高,供试材料发芽率、发芽势、发芽指数和萌发活力指数逐渐降低。低盐浓度下,盐分对某些野生大豆种子萌发有一定的促进作用。聚类分析表明,垦利地区K21、K27和武清地区W34、W35、W39种质的耐盐性较强;安新地区A2、A4、A5,冀州地区J14、J16、J17、J18、J20,垦利地区K25种质具有较弱的耐盐性;其它供试材料耐盐性一般。

    Abstract:

    40 wild soybean germplasms were used as materials in this experiment and they were treated with NaCl solution of different concentration(25mmol/L,75mmol/L,125mmol/L,175mmol/L) in germination stage and changes of 4 salt resistance indexes were accessed to study the salt resistance of wild soybean germplasms in different regions.The results showed that germination rate,germination potential,germination index and germination vigor index were gradually reduced with the increment of NaCl concentration.Salt could promote germination of wild soybean germplasms in low level of salt contents.The clustering analysis showed that among 40 wild soybean germplasms,K21 and K27 of Kenli area and W34,W35,W39 of Wuqing area were more tolerant to salt,but A2,A4,A5 of Anxin area and J14,J16,J17,J18,J20 of Jizhou area and K25 of Kenli area were susceptible to salt stress,salt tolerance of others materials were in the middle.

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费雪姣,刘晓冬,赵洪锟,刘宪虎,王玉民.华北地区四个野生大豆保护区野生大豆种子耐盐性的比较研究[J].东北农业科学,2011,36(3):1-6.

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  • 收稿日期:2011-03-09
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  • 在线发布日期: 2024-12-07
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