| 盐胁迫对西瓜和甜瓜种子萌发的影响 |
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| 引用本文： | 方苏,闫兴富,周立彪.盐胁迫对西瓜和甜瓜种子萌发的影响[J].湖北农业科学,2012,51(8):1595-1598. |
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| 作者姓名： | 方苏 闫兴富 周立彪 |
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| 作者单位： | 北方民族大学生物科学与工程学院,银川,750021 |
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| 基金项目： | 国家民族事务委员会生态系统模型及应用重点实验室项目，北方民族大学科研项目 |
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| 摘 要： | 在室内人工气候箱控制的条件下,研究了不同浓度(30、50、100、200 mmol/L)复合钠盐(NaCl+ Na2CO3+Na2SO4)溶液胁迫对西瓜和甜瓜种子萌发的影响.结果表明,未经盐胁迫处理的西瓜和甜瓜种子的萌发率很高,分别为97.78％和98.89％;经过盐胁迫处理的种子萌发率显著降低,其中以甜瓜种子的萌发率降低幅度更大,30、50、100、200 mmol/L盐溶液处理的种子萌发率分别降低到97.78％、75.56％、35.56％ 、30.00％；随着盐浓度的增大,种子萌发进程减慢(萌发速率系数增大),萌发指数和幼苗活力指数随着盐胁迫浓度的增大而减小.
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| 关 键 词： | 西瓜 甜瓜 复合钠盐 种子萌发 胁迫效应 |
Effects of Salt Stress on the Germination of Citrullus lanatus and Cucumis melo Seeds |
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| FANG Su
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YAN Xing-fu
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ZHOU Li-biao.Effects of Salt Stress on the Germination of Citrullus lanatus and Cucumis melo Seeds[J].Hubei Agricultural Sciences,2012,51(8):1595-1598. |
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| Authors: | FANG Su YAN Xing-fu ZHOU Li-biao |
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| Institution: | (College of Biological Science and Engineering,Beifang University of Nationalities,Yinchuan 750021,China) |
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| Abstract: | Under the conditions controlled by artificial climate box in laboratory,the stress effects of different concentration(30,50,100,200 mmol/L respectively) of complex sodium salt(NaCl + Na2CO3 + Na2SO4) on the germination of Citrullus lanatus(Thunb.) Matsum.et Nakai and Cucumis melo L.seeds were examined.The result indicated that the germination percentage of the seeds untreated with salt was 97.78% and 98.89% for C.lanatus and C.melo seeds respectively;which decreased by the treatment of salt,the germination rate of C.melo seeds was 97.78%,75.56%,35.56% and 30.00% at the salt concentrations of 30,50,100 and 200 mmol/L respectively.With the increasing of salt concentration,germination time delayed(coefficient of germination rate increased);and the germination index and vigor index decreased. |
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| Keywords: | Citrullus lanatus(Thunb ) Matsum et Nakai Cucumis melo L complex sodium salt seed germination stress effect |
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