|Table of Contents|

Effect of Gibberellic Acid and Ammonium Sulfate on Physiological and Biochemical Idexes of Ficus microcorpa Plant Under Low Temperature Stress(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年04期
Page:
53-57
Research Field:
Publishing date:

Info

Title:
Effect of Gibberellic Acid and Ammonium Sulfate on Physiological and Biochemical Idexes of Ficus microcorpa Plant Under Low Temperature Stress
Author(s):
LI De-ming1; CHEN Ping2; ZHANG Xiu-juan2; CAI Xing-lai1
1.Institute of Vegetable Science，Hainan Academy of Agricultural Sciences，Haikou，Hainan 571100；
2.College of Horticulture and Gardening，Yangtze University，Jingzhou,Hubei 434025
Keywords:
gibberellic acid(GA3); ammonium sulfate((NH4)2SO4); Ficus microcorpa; metabolism of activity oxygen; enzyme; MDA
PACS:
Q 948
DOI:
-
Abstract:
Taking Ficus microcorpaas test material，different concentrations of GA3(0，15，150 mg/L) and (NH4)2SO4 (0，20，200 g/L) under low temperature in winter after treatment 15，30,45 d on active oxygen metabolism enzymes guaiacol peroxidase (G-POD) activity，ascorbate peroxidase (ASA-POD) activity，catalase (CAT) activity，superoxide dismutase enzyme (SOD) activity and (MDA) content were studied.The results showed the application of gibberellic acid and ammonium sulfate increased the root activity，reduced MDA content in leaves during recovery time after chilling.Under low temperature stress increased with the GA3，POD activity，CAT activity and SOD activity were increased firstly and then decreased.With the increase of ammonium sulfate，POD activity，CAT activity and SOD activity were increased，and MDA content was decreased.200 g/L (NH4)2SO4 for 15 d，and G-POD activity was very significant performance.In the treatments of 200 g/L (NH4)2SO4 and 15 mg/L GA3，ASA-POD activity was the highest.15 mg/L GA3 and 200 g/L (NH4)2SO4 treatment at 30 d，SOD activity continued to increase and reached peak.15 mg/L GA3 and 20 g/L (NH)24SO4 for 15 d，it was to reach a significant level(P<0.01).After the treatment of GA3 and (NH4)2SO4，content of MDA content was decreased.It was to a minimum after the treatment of 15 d.And after the treatment of 30 d and 45 d，the overall MDA content was increased which compared with 15 d.

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Last Update: 2014-08-07