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土壤水分状况对浙江楠幼苗的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2006年05期
Page:
112-114
Column:
研究简报
publishdate:
2006-05-20

Article Info:/Info

Title:
Effects of Soil Moisture Status on the Phoebe chekiangensis Seedings
Article ID:
1000-2006(2006)05-0112-03
Author(s):
LI Dong lin12 XIANG Qi-bai1*
1. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210O37, China; 2. Jiangsu Academy of Forestry. Nanjing 211153, China
Keywords:
Phoebe chekiangensis Soil moisture status Growth Physiological characters
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2006.05.027
Document Code:
A
Abstract:
The growth and certain physiological characters of Phoebe ckekiangensis seedlings under various soil moisture stress were studied. With the increasing of soil moisture, the individual leaf area,the leaf dried mass per seedling,the leaf fresh mass per seedling and leaf area per leaf dried mass(LAM)increased, but the leaf thickness and succulence degree decreared; The content of leaf chlorophyll was sensitive to soil moisture,under 5 kinds of different soil moisture status and the content of leaf chlorophyll was distinct. The drought and inundation were much destructive to the synthesis of both chlorophyll a and chlorophyll b. Under the light drought condition, the change of the containing water content, water saturation deficit and water potential were not evident, but under the serious drought condition, the containing water content and water potential fell, the water saturation deficit increased;the soil moisture status affected the net photosynthetic rate(Pn), serious drought would result in the smaller Pn, and seedlings’growth slowed down.

References

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Last Update: 2013-05-20