EFFECT OF DIFFERENT LIGHT INTENSITY ON THE LEAF COLD RESISTENCE ABILITIES OF TAXUS MEDIA CV.HICKSII

Bulletin of Botanical Research ›› 2003, Vol. 23 ›› Issue (3): 285-289.

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EFFECT OF DIFFERENT LIGHT INTENSITY ON THE LEAF COLD RESISTENCE ABILITIES OF TAXUS MEDIA CV.HICKSII

LU Zhan-Gen¹, ZHOU Wen-Jie¹, ZHAO Chang-Qiong², TAN Feng³

1. Biological Department, Hengshui Teacher College, Hengshui 053000;
2. Department of Life Science, Fuling Teacher College, Chongqing 408003;
3. School of Life Science, Southwest China Normal University, Chongqing 400715

Received:2002-01-21 Online:2003-09-15 Published:2016-06-14

Abstract

Abstract: The influence of different light intensity on the leaf cold resistance abilities of Taxus media cv.Hicksii was studied by the method of physiology biochemistry from the follow physiologic indexes:the semilethal low temperature (LT₅₀), the contents of free water and bound water, osmoregulation matter and endogenous hormone. The results showed consistent, the leaf cold resistance abilities were ascertained from big to small as follows:natural light; one-layer shade; two-layer shade. It also indicated that it was better to evaluate the leaf cold resistance abilities by combining the several indexes.

Key words: Taxus media cv.Hicksii, light intensity, cold resistance, physiologic index

LU Zhan-Gen, ZHOU Wen-Jie, ZHAO Chang-Qiong, TAN Feng. EFFECT OF DIFFERENT LIGHT INTENSITY ON THE LEAF COLD RESISTENCE ABILITIES OF TAXUS MEDIA CV.HICKSII[J]. Bulletin of Botanical Research, 2003, 23(3): 285-289.

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EFFECT OF DIFFERENT LIGHT INTENSITY ON THE LEAF COLD RESISTENCE ABILITIES OF TAXUS MEDIA CV.HICKSII

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