The impact of pruning on tree development in poplar Populus × canadensis “I-214” plantations

IF 1.5 4区农林科学 Q2 FORESTRY

Iforest - Biogeosciences and Forestry Pub Date : 2022-02-28 DOI:10.3832/ifor3865-014

M. Danilovič, R. Sarić, V. Ćirović, V. Pudja

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引用次数: 3

Abstract

The effect of pruning on tree development and the potential structure of wood assortments was investigated in the poplar Populus × canadensis clone ‘I-214’. The study was carried out in a permanent sample plot within a poplar plantation established in 2006, in the area of the “Vojvodinašume” Public Company, within the “Gornje Potamišje” Forest Management Unit (Republic of Serbia). Pruning was performed on a total of 325 trees at different stem heights and a total of 13,186 branches were pruned. The average number of pruned branches per tree at the stem height of 5 m was 36, while it was 40 at the stem height of 6 m and 46 at the stem height of 7 m. The average diameter of pruned branches was 1.7 cm. The results showed that there are no significant differences in diameters at breast height between pruned and unpruned trees after two different intensities of pruning. Our results showed that pruning do not impact the long-term growth performance in poplar clone ‘I-214’, while remarkably improving the quality and economic value of wood assortments obtained from pruned trees.

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修剪对加拿大杨I-214人工林树木发育的影响

以加拿大杨杨(Populus × canadensis)无性系‘I-214’为研究对象，研究了修剪对树木发育和木材组合结构的影响。该研究是在2006年建立的杨树人工林内的一个永久样地进行的，该样地位于“Gornje Potamišje”森林管理单位(塞尔维亚共和国)“Vojvodinašume”公共公司的区域内。共对325棵不同茎高的树木进行了修剪，共修剪了13186根树枝。茎高为5 m时，平均每树修剪枝数为36枝，茎高为6 m时为40枝，茎高为7 m时为46枝。修剪后的枝条平均直径为1.7 cm。结果表明:两种不同修剪强度下，修剪后和未修剪的树木胸径高度差异不显著;结果表明，修剪对杨树无性系I-214的长期生长性能没有影响，但显著提高了修剪后木材品种的质量和经济价值。

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来源期刊

Iforest - Biogeosciences and Forestry FORESTRY-

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： The journal encompasses a broad range of research aspects concerning forest science: forest ecology, biodiversity/genetics and ecophysiology, silviculture, forest inventory and planning, forest protection and monitoring, forest harvesting, landscape ecology, forest history, wood technology.