龙眼树干、枝、叶、果实空间分布格局研究

应用生态学报 ›› 2001, Vol. ›› Issue (6): 819-823.

龙眼树干、枝、叶、果实空间分布格局研究

黎华寿, 王建武, 周强, 章家恩

华南农业大学热带亚热带生态研究所, 广州, 510642

收稿日期:2000-12-05 修回日期:2001-05-28 出版日期:2001-11-25
通讯作者: 黎华寿,男,1964年生,硕士,副教授,从事农业生态科研教学工作,发表论文20多篇.E-mail:lihuashou@163.net
基金资助:
广东省自然科学基金、美国洛克菲勒基金和日本经团连自然保护基金联合资助项目(4100-G99012).

Distribution patterns of trunks,branches,leaves and fruits in Dimocarpous longana

LI Huashou, WANG Jianwu, ZHOU Qiang, ZHANG Jiaen

Institute of Tropical and Subtropical Ecology, South China Agricultural University, Guangzhou 510642

Received:2000-12-05 Revised:2001-05-28 Online:2001-11-25

摘要/Abstract

摘要： 选择6年生早结丰产龙眼植株,采用分层调查法对名优品种储良龙眼树体结构特别是树冠上枝、叶、果实的分布格局及其相互关系进行了分析研究.结果表明,主干较矮,树冠为自然半圆头形,冠幅略大于冠厚.主枝4或5条,主枝与各级分枝在树冠空间上分布较均匀.枝梢、结果母枝和果实比较均匀地分布在平行于主干的纵向各行上,在垂直于主干方向上,则以中部各冠层所占比重较大.绿叶层较厚,且和果实均匀分布于树冠表层.果实主要集中在中部距冠底60～150cm的冠层上,占总产量的78.9%.各冠层中的枝梢、结果枝、果实粒数、果实产量之间存在显著线性相关关系.

关键词: 龙眼, 树体结构, 树冠, 分布格局

Abstract: The distribution patterns and relationship of branches,leaves and fruits in the canopy of 6 years old typical engrafted(Dimocarpous longana) were investigated with stratification method.Result shows that the trunk was short and the canopy shaped as the natural semicircle.There were 4 or 5 main long branches in most trees.The long branches uniformly distributed in the canopy.The short branches,fruit-bearing branches and fruits uniformly distributed in the longitudinal rows paralleled the main branch.In the direction being vertical main branch,the short branches,the fruit-bearing branches and fruits uniformly distributed in the central section of canopy.Green leaves and fruits uniformly distributed on canopy surface.The fruits mainly distributed in the canopy from central to 60～150 cm layer of the canopy bottom,accounting for 78.9% of total fruits.The number of branches,fruit-bearing branches and number of fruits as well as the yield in different canopy layers was significantly linearly correlated.

Key words: Dimocarpous longana, Tree body structure, Canopy, Distribution pattern

中图分类号:

S667

黎华寿, 王建武, 周强, 章家恩. 龙眼树干、枝、叶、果实空间分布格局研究[J]. 应用生态学报, 2001, (6): 819-823.

LI Huashou, WANG Jianwu, ZHOU Qiang, ZHANG Jiaen . Distribution patterns of trunks,branches,leaves and fruits in Dimocarpous longana[J]. Chinese Journal of Applied Ecology, 2001, (6): 819-823.

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