FLOWER BUD DIFFERENTIATION PATTERNS OF THREE LILY CULTIVARS

ZHANG Yingjie; CHEN Xiaofang; WU Shasha; LIU Xiaohua; CHEN Lina; WU Jindi; JIAO Xuehui; LI Ranxin; WANG Shuang; LU Yingmin

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FLOWER BUD DIFFERENTIATION PATTERNS OF THREE LILY CULTIVARS

ZHANG Yingjie #,CHEN Xiaofang,WU Shasha,LIU Xiaohua,CHEN Lina,WU Jindi,JIAO Xuehui,LI Ranxin,WANG Shuang,LU Yingmin *

College of Landscape Architecture, Beijing Forestry University, Beijing, China, 100083

*Correspondence author

#Submitted by

Subject:

Funding: 博士点基金（No.20110014110006）, 科技部“十二五”863（No.2011AA100208）, 国家自然科学基金（No.31071815）

Opened online: 9 January 2012

Accepted by: none

Citation: ZHANG Yingjie,CHEN Xiaofang,WU Shasha.FLOWER BUD DIFFERENTIATION PATTERNS OF THREE LILY CULTIVARS[OL]. [ 9 January 2012] http://en.paper.edu.cn/en_releasepaper/content/4458921

To study the flower bud differentiation process of lilies, Asiatic hybrids ‘Pollyanna’, ‘Prato’and Oriental hybrid ‘Siberia’ were observed under microscope. The study indicates that ‘Pollyanna’ and ‘Siberia’ have the same pattern in the course of flower bud differentiation. They translated from vegetative growth to reproductive growth neither after harvest, nor during the cold storage period, but only happened after being planted. ‘Prato’ started bud differentiation when they were harvest, and had further changes during the cold treatment. And the bud differentiation was finished after planting. Moreover, the study indicates that except the growing point, starch contents in different parts of lily bulbs descended during the cold treatment, and increased after the low appeared. Starch contents in outer scales and inner scales had the same trend with the starch content in inner scales changed more remarkably. On the other hand, changes of sucrose contents in these parts had the opposite trend compared with the changes of starch contents.

Keywords:Flower bud differentiation; lily cultivars; type; carbohydrate

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