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园艺学报 ›› 2004, Vol. 31 ›› Issue (6): 743-746.

• 研究论文 • 上一篇    下一篇

水分亏缺逆境对温室黄瓜生长及有关物质代谢的影响

王绍辉1;张福墁2*
  

  1. (1 北京农学院植物科技系, 北京102206 ; 2 中国农业大学园艺学院, 北京100094)
  • 收稿日期:2004-03-05 修回日期:2004-07-11 出版日期:2004-12-25 发布日期:2004-12-25
  • 通讯作者: 张福墁

Effect of Water Deficiency on Growth and Metabolization of Some Matter ofCucumber in Solar Greenhouse

Wang Shaohui1;Zhang Fuman2*
  

  1. (1Plant Science and Technology Department , Beijing Agricultural College , Beijing 102206 , China ; 2College of Horticulture , China Agricultural University , Beijing 100094 , China)
  • Received:2004-03-05 Revised:2004-07-11 Online:2004-12-25 Published:2004-12-25
  • Contact: Zhang Fuman

摘要: 不同土壤含水量对黄瓜生长影响很大: 土壤水分充足时, 植株生长健壮高大, 叶片舒展, 叶
面积大。水分处理初期, 叶片脯氨酸、游离蛋白质含量随着土壤含水量的降低而增加, 水分处理时间延长则此趋势消失。叶片与根中亚精胺(Spd) 和腐胺(Put) 含量均随着土壤水分的减少而增加, 不同水分处理对黄瓜叶片与根中精胺(Spm) 含量的影响不大。叶片ABA 含量随着土壤含水量的减少而增加。

关键词: 黄瓜, 水分亏缺, 脯氨酸, 脱落酸(ABA), 多胺

Abstract: The growth of cucumber was strongly affected by soil water content. Either leaf number or leaf area was significant different among the water treatments. At the beginning of water stress , the free protein and proline content increased in leaf , this trend disappeared at time prolonged when the soil moisture remained at the 50 %- 60 % soil capacity. The content of Spd (spermidine) and Put (putrescine) in leaf and root of the plant increased with the moisture decreasing in the soil , but there was no significant difference of Spm (spermine) among the three treatments. ABA content of cucumber leaf was high when the soil water content was low.

Key words: Cucumber ( Cucumis sativus L. ), Soil moisture deficiency, Proline, ABA, Polyamine

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