安徽农业科学2012，Vol.40Issue(17)：9344-9346,3.
伯乐树幼苗特性与不同年龄阶段苗木生长规律研究
A Study on Characteristics and Growth Laws of Bretschneidara sinensis Hemsi.During Young Seedling Period
摘要
Abstract
[Objective]Study on characteristics and growth laws of Bretschneidara sinensis Hemsi. during young seedling period. [Method]This paper analyzed the quality characteristic of seedling, growth characteristic in the budding stage, growth rhythm of different seedling stage and effects of shading treatments on growth. [ Result]①The water content of Bretschneidara sinensis Hemsi. seed is 52.2% ;the weight of 1000 seeds are 83 -138 4 g; exalbuminous seed; hypogaeous seedling. ②During seed germination, the radicles begin to grow faster in the third date and the speed of growth are very more faster than hypocotyls, which lead to cotyledons remain under soil. However, length of pinnately compound leaves of annual seedlings is more shorter, so we think that it may be related to the nutrients accumulated in the bodies of trees. ③Shading has not effects on growth of seedlings. ④The curve of height of annual seedlings is a"S"-shaped one,which shows that time of June and July are the key period to promote growth of seedlings by management of water, fertilizer and soil. [ Conclusion ] In contrast, seedlings of more than 2 years have high speed of growth in the fourth and fifth year of germination, which shows that it is important to have a great row spacing of Bretschnei-dara sinensis Hemsi. seedlings.关键词
伯乐树/幼苗特性/苗木生长规律Key words
Bretschneidara sinensis Hemsi. /Characteristics of young seedlings/Growth laws of seedlings分类
农业科技引用本文复制引用
马冬雪,刘仁林..伯乐树幼苗特性与不同年龄阶段苗木生长规律研究[J].安徽农业科学,2012,40(17):9344-9346,3.基金项目
江西省自然科学基金项目(20114BAB204006). （20114BAB204006）
