2024年4月25日 星期四
红豆杉种子发育及幼苗生长动态
Seed development and seedling growth of Taxus chinensis ( Pilger) Rehd .
1998年 第7卷 第2期 页码[12-15]    下载全文[0.5MB]  
摘要

对红豆杉Taxus chinensis ( Pilger) Rehd.〕种子发育及 15 年生实生苗生长动态进行了观, 在秦岭山区, 红豆杉成年树 35 月开花, 59 月胚珠逐渐发育, 9 月下旬种子成熟实生苗在2 龄内地上部生长缓慢, 根系生长迅速;自第 3 年起地上部生长旺盛, 地下部则稳定生长文中就红豆杉人工育苗及家化栽培的问题进行了讨论
 

Abstract

The seed development and seedling growth of Taxus chinensis ( Pilger) Rehd . were investigated. The result indicated that the adult plant flow ered from M arch to May each year, the ovule developed from May to September and the seed matured in late September.The shoot grew up slowly, but the root grew vigorously when it is 1 2 years old, if it is more than 3 years old, the shoot raised luxuriantly and its root system constantly developed .Accordingly, the possibility of the plant cultivation was discussed .
 

关键词红豆杉; 种子; 实生苗; 生长发育; 紫杉醇
Key wordsTaxus chinensis ( Pilger ) Rehd.; seed; seedling; growth and development; taxol
作者张宗勤1 罗新谈2 杨金祥1 吴耀武1
所在单位1陕 西 省中国科学院西北植物研究所, 陕西杨陵 712100,
2陕西师范大学生物系, 西安 710062
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基金项目陕西省科技攻关计划项目( 95K11 -G1)