›› 1991, Vol. 27 ›› Issue (5): 541-544.
• 研究简报 • 上一篇 下一篇
陈恺 蒙世杰
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Chen Kai,Meng Shijie
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关键词: 常绿树木, 光合放氧, 耐旱力
Abstract: According to the inhibition extent of oxygon released from leaves which are in artificial solution wite a series of low water potentials, the paper proposed a method for measuring the relative drought hardiness of plants. It has been found out that there is a common law for the changes in drought hardiness of evergreen trees in process of hibernation, which is a tendency with "M", i. e. drought hardiness using at the stage of acclimation to cold in the primary period of hibernation, falling drown at severe cold stage, rising again at the stage of air temperature going up, and falling down again at the beginning of spring. With the method incroduced in this paper, the changes in drought hardiness of various tree species or one tree in the process of growth can be compared vertically and horizontally, which provides the bases for the study on environmental physiology and the disposition of various tree species in planlation. Some corresponding water running principles are proposed from the law summarized in this paper.
Key words: Evergreen tree, Oxygen released from photosynthesis, Drought hardiness
陈恺 蒙世杰. 常绿树种在越冬过程中光合速率的变化及其对低水势的反应[J]. , 1991, 27(5): 541-544.
Chen Kai;Meng Shijie. CHANGE OF PHOTOSYNTHETIC RATE AND RESPONSE TO LOW WATER POTENTIAL OF EVERGREEN TREE SPECIES IN THE PROCESS OF HIBERNATION[J]. , 1991, 27(5): 541-544.
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