[1]邱辉.切根和截顶对湿地松苗木质量的影响[J].南京林业大学学报(自然科学版),2006,30(04):105-108.[doi:10.3969/j.jssn.1000-2006.2006.04.025]
 QIU Hui.Effects of Root-pruning and Top-pruning on Seedling Quality of Pinus elliottii[J].Journal of Nanjing Forestry University(Natural Science Edition),2006,30(04):105-108.[doi:10.3969/j.jssn.1000-2006.2006.04.025]
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切根和截顶对湿地松苗木质量的影响
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
30
期数:
2006年04期
页码:
105-108
栏目:
研究论文
出版日期:
2006-04-20

文章信息/Info

Title:
Effects of Root-pruning and Top-pruning on Seedling Quality of Pinus elliottii
文章编号:
1000-2006(2006)04-0105-04
作者:
邱辉
南京林业大学森林资源与环境学院, 江苏 南京 210037
Author(s):
QIU Hui
College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China
关键词:
湿地松 切根 截顶 苗木质量
Keywords:
Pinus elliottii Root-pruning Top-pruning Seedling quality
分类号:
S722
DOI:
10.3969/j.jssn.1000-2006.2006.04.025
文献标志码:
A
摘要:
<正>杉木是我国南方最重要的造林用材树种。笔者对杉木种子园建园技术、提高种子同产量和品质技术等方面的研究状况作了较为系统的综述,斗对未来发展提出了建议。
Abstract:
The effects of root-pruning and top-pruning on seedling quality of Pinus elliottii were studied. The results are as follows:The root-pruning had a negative influence on seedling height and base diameter growth. The root-pruning damaged the root system and therefore had effect on the absorption of the water and effective fertilizers, and made some growing abilities on lands of the seedlings decline. Pruning time had an obvious impact on the seedling growth: the root pruning in August was more effective than that in September. Root-pruning for more than two times was more effective than the root pruning once a year. Top-pruning hindered the seedling growth in certain period. The seedling height and base diameter of the seedling with top pruning were shorter than those for the compared seedling, and there were significant effects on the early top-pruning treatment. The net weights of the main roots, branch roots, and the total net weight of the root system decreased and the ratio of the branch roots and the main roots increased a little, which indicated that the toppruning had a negative impact on the growth of the root system.

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更新日期/Last Update: 2013-05-20