[1]景茂,曹福亮*,汪贵斌,等.土壤水分含量对银杏生长及生物量分配的影响[J].南京林业大学学报(自然科学版),2005,29(03):005-8.[doi:10.3969/j.jssn.1000-2006.2005.03.002]
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土壤水分含量对银杏生长及生物量分配的影响
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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:
29
期数:
2005年03期
页码:
005-8
栏目:
研究论文
出版日期:
2005-03-20

文章信息/Info

Title:
The Effects of Soil Water Stress on Growth and Biomass Allocation of Ginkgo biloba
文章编号:
1000-2006(2005)03-0005-04
作者:
景茂曹福亮*汪贵斌潘静霞
南京林业大学森林资源与环境学院, 江苏 南京 210037
Author(s):
JING Mao CAO Fu-liang* WANG Gui-bin PAN Jing-xia
College of Forest Resources and Environment: Nanjing Forestry University, Nanjing 210037, China
关键词:
银杏 水分胁迫 生长 生物量增量
Keywords:
Ginkgo biloba Water stress Growth Biomass increment
分类号:
S718
DOI:
10.3969/j.jssn.1000-2006.2005.03.002
文献标志码:
A
摘要:
<正>针对目前美人蕉属品种分类系统繁多、分类标准各异、不利于国际交流的现状,根据《国际栽培植物命名法规》(ICNCP)建立美人蕉属品种分类新系统。首先根据花冠、瓣化雄蕊和叶片的形态特征划分种系,再按株高划分品种群,最后根据叶色、花色、花型、花径等的差异划分品种。照此系统从品种起源、种系形态特征和品种群的园林应用特点等方面对收集的66份国内外美人蕉种质进行分类。结果表明,这些种质被分为5种、6品种群及66个品种。
Abstract:
One year old seedlings of ginkgo (Ginkgo biloba L.) were grown in a pot under greenhouse conditions with varying soil water levels to determine the growth and the biomass allocation. There were 4 different treatments of’ soil water and 4 ginkgo cultivars, and the time of treatment was 100 days. The results were as follows: (1) Relative height growth,relative caliper growth, biomass increment, plant leaf area and plant root volume of ginkgo decreased with decreasing of soil water content, but shoot/root ratio of varieties increased with decreasing of soil water content (except the treatment of W4); (2)The biomass increments of root,stem and leaf of 4 varieties all decreased with decreasing of soil water content, and the order of biomass increments of root,stem and leaf of 4 cultivars was root>stem>leaf; (3) The allocation ratio of biomass increment of root increased with decreasing of soil water content, but the allocation ratio of biomass increment of stem and leaf decreased with decreasing of soil water content,and the allocation ratio of biomass increment of root was highest, and the second was stem,and the allocation ratio of biomass increment of leaf was lowest.

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更新日期/Last Update: 2013-05-20