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珍稀濒危植物张氏红山茶花的花发育形态及生理特性研究

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2011年04期
页码:
495
栏目:
植物生理学与分子生物学
出版日期:
2011-07-25

文章信息/Info

Title:
Morphology and physiological characteristics of flower development in Camellia changii Ye, an endangered and rare plant
作者:
朱高浦1 李纪元1* 李辛雷1 范正琪1 倪穗12
1.中国林业科学研究院 亚热带林业研究所, 浙江 富阳 311400; 2.宁波大学 生命科学与工程学院, 浙江 宁波 315211
Author(s):
ZHU GaoPu1 LI JiYuan1* LI XinLei1  FAN ZhengQi1 NI Sui12
1.Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang 311400, China; 2.Faculty of Life Science and Biotechnology, Ningbo University, Ningbo 315211, China
关键词:
张氏红山茶 花发育 形态 生理特性
Keywords:
Camellia changiiYe flower development morphology physiological characteristics
分类号:
Q945.78
DOI:
-
文献标识码:
A
摘要:
以珍稀濒危植物张氏红山茶为材料,对其花发育形态及分化过程中生理指标动态变化进行了研究。〖JP2〗采用定株调查的方法,通过观察、统计、解剖等确定张氏红山茶盛花期花芽着生位置并划分5个发育阶段,以分光光度法测定了5个发育阶段可溶性糖、可溶性蛋白和核酸含量等的动态变化。结果表明:盛花期花芽着生位置主要在枝条顶端,占70.0%;花芽和叶芽的着生位置存在竞争现象;花芽不同发育阶段可溶性糖、可溶性蛋白、核酸含量变化趋势各不相同;在5个发育阶段,可溶性糖含量始终最高;在中期(Stage 3)可溶性蛋白含量最高。可溶性糖、核酸、可溶性蛋白三种物质含量在花芽发育末期(Stage 5)存在大致10∶2∶1的比例。
Abstract:
The flower development morphology and physiological characteristics of Camellia changiiYe,one of the endangered and rare species,were investigated. The formation sites and five developmental stages of flower buds were identified by observation,statistics and freehand section. Meanwhile,the dynamic changes among soluble sugar,soluble protein and nucleic acid contents were mensurated by ultraviolet absorption method. The results showed that flower buds sites were mainly located on the top of shoots,accounting for about 70.0%;formation sites of flower and leaf buds competed with each other. Flower buds at different stages had different trend among soluble sugar,soluble protein and nucleic acid contents. The soluble sugar content was the highest in all stages;soluble protein had the highest content at middle stage(Stage 3);the rate of contents among soluble sugar,nucleic acid and soluble protein were about 10∶2∶1 in Stage 5.

参考文献/References

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2011-07-25