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Effect of Gradual Drought Stress on Physiological Indexes of Paeonia suffruticosa Andr.(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年16期
Page:
50-52,53
Research Field:
Publishing date:

Info

Title:
Effect of Gradual Drought Stress on Physiological Indexes of Paeonia suffruticosa Andr.
Author(s):
LI Jun1; KONG Xiang-sheng1; LI Jin-hang1; LIU Gai-xiu2; GUO Li-li1
1.College of Agriculture,Henan University of Science and Technology,Luoyang,Henan 471003；
2.China Luoyang Peony Genetic Storehouse,Luoyang,Henan 471011
Keywords:
Paeonia suffruticosa Andr.; gradual drought; re-watering; physiological indexes
PACS:
S685.11
DOI:
-
Abstract:
The potted Paeonia suffruticosa Andr.cv.‘Luoyanghong’ and ‘Wulongpengsheng’ were used as material,the changes of osmotic adjustment substances content and malondialdehyde content in the Paeonia suffruticosa Andr.leaves in the process of drought stress and re-watering were studied.The results indicated that with the drought stress increasing,the content of soluble protein of the two kinds of Paeonia suffruticosa Andr.increased firstly,then decreased；the content of soluble sugar,proline and malondialdehyde showed an increasing trend.Compared with the severe drought,osmotic adjustment substances content of two kinds of Paeonia suffruticosa Andr.all dropped,the differences of the other indexes were all significant except soluble protein of ‘Wulongpengsheng’；however compared with the control,ontent of osmotic adjustment substances rised,but all the differences were indistinctive.Malondialdehyde content of two kinds of Paeonia suffruticosa Andr.decreased to a certain degree,and the differences were both significant；however the differenes were indistinctive compared with the control

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Last Update: 2014-09-25