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黑杨派新无性系研究——Ⅲ.生根性状的遗传变异(PDF)

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

Issue:
1988年01期
Page:
1-11
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
A STUDY OF THE NEW CLONES OF THE AIGEIROS SECTION——Ⅲ. GENETIC VARIATION OF ROOTING CARACTERS
Article ID:
1000-2006(1988)01-0001-11
Author(s):
Wang Mingxiu Huang Minren Lu Shixing Xu Xizeng Xu Nong & Wu Rongling
Department of Forestry
Keywords:
The Aigeiros section Clone Rooting character Rooting ability Index curve of roots growth
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1988.01.001
Document Code:
A
Abstract:
This paper analysed genetic variation of rooting characters in the new clones of the Aigeiros section. The results indicated that there are highly significant differences in the earliest date of rooting, number of main roots, sum of the lengths of main roots and number of lateral roots in 1-69 poplar × Simon poplar F1 clones and 1-69 poplar × Nigra poplar F1 clones. No great changes took place in heritabilities of rooting ability at varying dates after water culture, which indicated that the rooting ability of these clones was not sensitive to environmental conditions. The dynamic changes of sum of the length of main roots was approached by index curve, which could distinguish the rooting characteristics of various genotypes.

References

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Last Update: 1900-01-01