Physiological Response of Dwarf Pumpkin on Exogenous GA3 Treatment

ACTA HORTICULTURAE SINICA ›› 2006, Vol. 33 ›› Issue (6): 1331-1334.

• 研究报告 • Previous Articles Next Articles

Physiological Response of Dwarf Pumpkin on Exogenous GA₃ Treatment

Yu Huifang^{1, 2};Cao Jiashu¹;Wu Tao¹

( ¹ Institute of Vegetable Science, Zhejiang University, Hangzhou, Zhejiang 310029, China;² Institute of Vegetable Science, Academy of Zhejiang Agricultural Sciences, Hangzhou, Zhejiang 310021, China)

Received:2006-07-17 Revised:2006-10-24 Online:2006-12-25 Published:2006-12-25
Contact: Cao Jiashu

Abstract

Abstract: We studied the physiological influence of exogenous GA₃ on‘Wuman 1’. The chlorophyll content and the activities of catalase (CAT) , guaiacol peroxidase (G-POD) , superoxide dismutase ( SOD) ,α-amylase and acid phosphatase were compared between control and treated pumpkin plants with GA₃. The results showed that the chlorophyll content had no significant change in pumpkin leaves in three day after treatment with GA₃ ; The chlorophyll content in treated pumpkin leaves was significantly decreased in treated pumpkin leaves on the sixth day after treatmentwith GA₃; The activities of α-amylase, CAT and SOD were increased in three days after treatment, and the activities of acid phosphatase and G-POD were gradually increased in six days and nine days after treatment, respectively.

Key words: Pumpkin, Cucurbita moschata, Gibberellin, Physiological response

CLC Number:

S642.1

Yu Huifang;;Cao Jiashu;Wu Tao. Physiological Response of Dwarf Pumpkin on Exogenous GA₃ Treatment[J]. ACTA HORTICULTURAE SINICA, 2006, 33(6): 1331-1334.

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Physiological Response of Dwarf Pumpkin on Exogenous GA₃ Treatment

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