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作物学报 ›› 1984, Vol. 10 ›› Issue (02): 105-112.

• 研究论文 • 上一篇    下一篇

小麦干热风伤害机理的研究

  

  • 收稿日期:1983-10-12 修回日期:1984-05-10 出版日期:1984-06-12 网络出版日期:1984-06-12

STUDY ON THE INJURIOUS MECHANISM OF HOT WEATHER WITH DRY WIND (HDW) IN WHEAT

The Cooperated Research Group on Dry-hot-wind Injury in Wheat in Thirteen Provinces and Municipalities in North China   

  • Received:1983-10-12 Revised:1984-05-10 Published:1984-06-12 Published online:1984-06-12

摘要: 干热风是小麦籽粒灌浆期间的主要灾害性天气。干热风造成了一些不可逆的伤害,小麦叶片的叶绿素含量和光合速率迅速减少,细胞膜系统丧失了正常功能,由于叶片里氮的净损失,引起氮代谢平衡的破坏,诱发了代谢紊乱和造成饥饿,小麦灌浆源严重减少。干热风伤害的机理,实质上是间接伤害。

Abstract: Hot weather with dry wind(HDW),commonly termed as dry-hot-wind,is a particular injurious weather for the wheat plants in the stage ofgrain filling.The injurious effects of HDW have determined.HDWstress causes the following irreversible damages:chlorophyll contents ofwheat leaves and then photosynthe

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