[1]柳学军,曹福亮*,汪贵斌,等.落羽杉优良种源选择[J].南京林业大学学报(自然科学版),2006,30(02):047-50.[doi:10.3969/j.jssn.1000-2006.2006.02.011]
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落羽杉优良种源选择
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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02期
页码:
047-50
栏目:
研究论文
出版日期:
2006-02-20

文章信息/Info

Title:
A Primary Study on Selection of Superior Provenance of Taxodium distichum (L.) Rich
文章编号:
1000-2006(2006)02-0047-04
作者:
柳学军1曹福亮1*汪贵斌1汪企明2
1. 南京林业大学森林资源与环境学院, 江苏 南京 210037; 2. 江苏省林业科学研究院, 江苏 南京 211153
Author(s):
LIU Xue-jun1 CAO Fu liang1* WANG Gui-bin1 WANG Qi-ming2
1. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037 China; 2. Jiangsu Academy of Forestry, Nanjing 211153, China
关键词:
落羽杉 种源 多性状选择
Keywords:
TaxodiuTn distichum (L.) Rich Provenance Synthetical selection
分类号:
S718
DOI:
10.3969/j.jssn.1000-2006.2006.02.011
文献标志码:
A
摘要:
<正>介绍了应用于森林资源二类调查的数据挖掘系统,以实例说明关联规则挖掘方法在林业中的具体应用。研究了数据挖掘技术中的关联规则理论在林木属性分析中的应用,应用Apriori算法分析了权属、起源、年龄、平均胸径、树高、郁闭度之间的关联,为相关的决策支持提供参考。证明了数据挖掘在森林资源调查数据分析中具有良好的应用前景。
Abstract:
The tree height, DBH, individual volume, crown, height of the lowest branch, branching angle and number of shoot of 16 bald cypress (Taxodium distichum (L.)Rich) provenances were determined. The results were as follows= (1) There existed a significant variation of 16 provenances in tree height, DBH, individual volume, crown, height of the lowest branch, but the variations of the branching angle and number of shoot were not significant. The 9th and 6th provenance had highest height, DBH and volume,while the tree height, DBH and volume among 16th provenances was lowest. (2) The correlative analysis showed that there were significant positive relativity among the tree height, DBH, individual volume, crown and height of the lowest branch, but there was not obvious relativity between these indexes and branching angle and number of shoot. (3) The analysis results of heritability showed that the heritability of DBH of bald cypress was highest, and the heritability of the branching angle and number of shoot was lowest. (4)The 9th, 6th, 12th, 13th and 4th superior provenances were selected from the 16 provenances by using synthetical selection of multiple characters, and these five provenances had higher production after being cultivated.

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更新日期/Last Update: 2013-05-20