|Table of Contents|

Study on Dwarfing Effect and Mechanism of Paclobutrazol on Curcuma alismatifolia(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年20期
Page:
79-82
Research Field:
Publishing date:

Info

Title:
Study on Dwarfing Effect and Mechanism of Paclobutrazol on Curcuma alismatifolia
Author(s):
LIU Jian-xin1DING Hua-qiao1ZOU Qing-cheng1WANG Wei-yong1CAI Li-yan2
1.Research and Development Centre of Flower,Zhejiang Academy of Agricultural Sciences,Hangzhou,Zhejiang 311202;
2.Nanxiang Primary School of Xiaoshan District,Hangzhou,Zhejiang 311227
Keywords:
Curcuma alismatifolia‘Chiang Mai Pink’paclobutrazolchlorophyll fluorescence
PACS:
S 681.9
DOI:
-
Abstract:
Taking Curcuma alismatifolia ‘Chiang Mai Pink’ as materials,the effect of different concentrations of paclobutrazol on agronomic traits,anatomic structure,chlorophyll content and fluorescence parameter change were researched.The results showed that besides some traits such as plant height shorten,scape length and leaf area lessened,other traits included diameters of both stem and scape increased;the behavior that scape shorten and thicken owed to scape cells shorten in lengthways and largen in widthways;paclobutrazol made area of both upper and lower epidermal cell reduced,whereas number of corresponding stomata increased.Furthermore,paclobutrazol also made area of upper epidermal stomata small,whereas lower epidermal stomata largen.Based on measuration experiment about chlorophyll content and fluorescence,paclobutrazol treatment could increase chlorophyll content obviously.Furthermore,with the concentration increasing,paclobutrazol also could raise photosynthesis efficiency.Therefore,the research could be used in pot flower production of Curcuma alismatifolia,and it could also provide some theory foundation for other ornamental flower’s dwarfing mechanism research.

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Last Update: 2014-08-26