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Effects of Maleic Hydrazide on Flowering and Florescence Physiological Indices in Chrysanthemum(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年06期
Page:
65-69
Research Field:
Publishing date:

Info

Title:
Effects of Maleic Hydrazide on Flowering and Florescence Physiological Indices in Chrysanthemum
Author(s):
LIU PingHU Guang-yuDING Yi-fengLIU Xu-danSHAO Xiao-qiWANG Tian-leLI An-qiLIU Gu-ting
College of Life Science,Henan Normal University,Xinxiang,Henan 453007
Keywords:
MHchrysanthemumflower diameterplant heightflorescencephysiological indices
PACS:
S 682.1+1
DOI:
-
Abstract:
Taking chrysanthemum ‘Jianliuxiangju’ varieties as materails,three concentrations(10,15,20 mg/L) maleic hydrazide (MH) aqueous solution were sprayed from fixed-head to flower bud differentiation.Physiological and biochemical indices in petals,flower diameter and plant height were determined during florescence.The results showed that the contents of soluble protein and soluble sugar in petals of treatment groups had a decrease to a certain extent,activities of superoxide dismutase (SOD) and peroxidase (POD) were inhibited in varying degrees.Malondialdehyde (MDA) content,superoxide anion (O?2) production rate and petals extract relative conductivity in petals were obviously declined.The overall changes for negative physiological indices reduced greater than the positive ones.Flower diameter and plant height reduced,flowering delayed,florescence extended in treatment groups.The effects of MH 15 mg/L was the best in optimizing ornamental value and extend florescence.

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(该文作者还有李安琪、刘骨挺,单位同第一作者。)


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Last Update: 2014-08-23