| 周贺芳,邹志荣,孟长军,郭海涛,杨兴娟.外源ALA、CaCl2和水杨酸对盐胁迫下甜瓜幼苗一些生理特性的影响[J].干旱地区农业研究,2007,(4):212~215 |
| 外源ALA、CaCl2和水杨酸对盐胁迫下甜瓜幼苗一些生理特性的影响 |
| The effect of exogenous ALA、CaCl2 and SA on physiological characteristics of muskmelon seedling under salt stress |
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| DOI：10.7606/j.issn.1000-7601.2007.04.41 |
| 中文关键词: 甜瓜 盐胁迫 ALA CaCl2 水杨 |
| 英文关键词:muskmelon salt stress 5-aminolevulinic acid CaCl2 SA |
| 基金项目:陕西省科技攻关项目（2001BA503B-10） |
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| 中文摘要: |
| 以甜瓜(Cucumis melo L.)幼苗为材料，采用单因素试验设计，研究了5-氨基乙酰丙酸（ALA）、水杨酸（SA）及氯化钙（CaCl2）三种外源物质对1% NaCl胁迫下甜瓜幼苗生理生化指标的影响。结果表明，三种外源物质均对缓解盐胁迫下甜瓜幼苗的伤害起到一定的作用，其中以6～12 g/100m2 ALA处理的缓解效果最好，可显著提高植株干鲜重、叶面积、根系活力和叶片可溶性糖含量；显著降低叶片丙二醛（MDA）含量和电解质渗出率，增强了甜瓜幼苗对盐胁迫逆境的抵抗能力,减轻和缓解盐伤害。 |
| 英文摘要: |
| Effects of different kinds of exogenous chemicals ALA、SA and CaCl2 on seedlings of muskmelon (Cucumis melo L.) were studied and physiological and biochemical characteristics were measured under 150 mmol/L NaCl stress. The results showed that the three kinds of exogenous chemicals alleviated the inhibition of muskmelon seedlings' growth under salt stress. ALA treatments worked best and fresh/dry weight、area of leaf、root activity、dissolved sugar content increased; MDA content and cell membrane decreased after exogenous 6～12 g/100m2 ALA treatments. It could induce salt resistance, salt tolerance and decrease and alleviate damage degree of salt of muskmelon seedlings. |
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