[1]温志宏,黄敏仁.美洲黑杨冠层光截获特性的遗传学研究[J].南京林业大学学报(自然科学版),1992,16(03):011-17.[doi:10.3969/j.jssn.1000-2006.1992.03.003]
 Wen Zhihong (Forestry Academy of Sichuan Province)Huang Minren.A GENETIC STUDY ON LIGHT INTERCEPTION CHARACTER OF CROWN STRUCTURE IN POPULUS DELTOIDES[J].Journal of Nanjing Forestry University(Natural Science Edition),1992,16(03):011-17.[doi:10.3969/j.jssn.1000-2006.1992.03.003]
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美洲黑杨冠层光截获特性的遗传学研究
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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:
16
期数:
1992年03期
页码:
011-17
栏目:
研究论文
出版日期:
1900-01-01

文章信息/Info

Title:
A GENETIC STUDY ON LIGHT INTERCEPTION CHARACTER OF CROWN STRUCTURE IN POPULUS DELTOIDES
文章编号:
1000-2006(1992)03-0011-07
作者:
温志宏;黄敏仁
四川省林科院;成都610000;南京林业大学
Author(s):
Wen Zhihong (Forestry Academy of Sichuan Province)Huang Minren
Nanjing Forestry University
关键词:
美洲黑杨光截获特性叶面积指数消光系数光截获能力叶倾角遗传改良
Keywords:
Populus deltoides Light interception character Leaf area index Light extinction The capacity of light intercepation Lamina angle Genetic improvement
DOI:
10.3969/j.jssn.1000-2006.1992.03.003
文献标志码:
A
摘要:
<正>对美洲黑杨种内杂交F_1无性系的光截获特性进行了探索性的研究。叶面积指数、消光系数、光截获能力和叶倾角是影响群体和个体光能利用的主要因子,遗传力与遗传相关分析表明,它们对林木的生长和遗传改良具有重要意义。在本群体中,中层树冠对生长的直接影响最大;上层枝叶较浓密,中、下层叶面积指数较小而叶倾角较平展是美洲黑杨理想的树冠结构。
Abstract:
This paper deals with light interception character in Populus deltoides instraspecific hybrid F: clones. The results are as follows: the main factors that influence light energy utilization of population and individual are leaf area index, light extinction coefficient, the capacity of light interception and lamina angle. Analysing on heritability and genetic correlation shows that all above tratis are of great value to growth and genetic improvement. In this population, the middle crown plays the most important part in tree growth, the ideal crown structure of Populus deltoides is more leaf area index of upper crown, less leaf area index of middle and lower crown and more horizontal lamina angles.

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更新日期/Last Update: 1900-01-01