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Effect of Spraying Glycinebetaine on Physiological Responses of Apple Young Trees Under Drought Stress(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年12期
Page:
10-14
Research Field:
Publishing date:

Info

Title:
Effect of Spraying Glycinebetaine on Physiological Responses of Apple Young Trees Under Drought Stress
Author(s):
WANG Gui-pingWANG Jin-zhengXUE Xiao-minLU ChaoNIE Pei-xian
Shandong Institute of Pomology,Tai’an,Shandong 271000
Keywords:
glycinebetaine (GB)appledrought stressphysiological response
PACS:
S 661.1
DOI:
-
Abstract:
Taking one-year-old ‘Fuji’ apple trees as materials(with‘Malus hupehensis’as rootstock),the effect of spraying glycinebetaine on content of chlorophyll,soluble protein content,soluble sugar content,electrolyte leakage rate,MDA content and antioxidant enzyme activity(SOD activity,CAT activity) were studied under drought stress by pot experience.The results showed that exogenous glycinebetaine(GB) alleviated the decreases of chlorophyll and soluble protein,increased the proline content and soluble sugar accumulation in apple leaves during drought stress,ameliorated the water condition;meanwhile,increased the SOD and CAT activities,decreased the MDA content and cell membrane permeability,so the drought resistance of apple young tree was improved.

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Last Update: 2014-08-01