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乔木型柳树杂种无性系对镉的吸收和积累特性(PDF)

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

Issue:
2011年02期
Page:
135-138
Column:
研究简报
publishdate:
2011-03-28

Article Info:/Info

Title:
Research on cadmium absorption characters of arbor willows
Author(s):
WANG Youliang WANG Baosong*SHI Shizheng
Jiangsu Academy of Forestry,Nanjing 211153,China
Keywords:
arbor willow cadmium absorption character genetic variation
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2011.02.029
Document Code:
A
Abstract:
In this paper, we studied genetic variation of cadmium contents in leaves and twigs of 158 arbor willow clones.Results are as follows: Cadmium contents are in range of 27.50—142.16 mg/kg in twigs of different tested clones, while they are in range of 29.41—242.63 mg/kg in leaves of tested clones.There were no significant differences among 6 major hybrids in cadmium contents in leaves or twigs.There were significant correlations between cadmium contents in leaves and those in twigs for each hybrid.Cadmium contents in leaves were higher than those in twigs for most clones, with the average content ratio values of leaves to twigs at 1.2. The results suggested that selection of new willow varieties with higher cadmium contents in twigs or leaves could be available through direct test on cadmium absorption characters for different clone.

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Last Update: 2011-04-13