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

Abstract

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

CLC Number:

S667

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.

References

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