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黑杨派新无性系研究——Ⅰ、苗期测定(PDF)

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

Issue:
1987年02期
Page:
1-12
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
STUDY OF NEW CLONES OF THE AEGEIROS POPLAR I. Nursery Testing
Article ID:
1000-2006(1987)02-0001-12
Author(s):
I. Nursery TestingWang Minxiu Huang Minren Lu ShixingXu Xizeng Xu Nong & Wu Rongling
Department of Forestry
Keywords:
Aegeiros poplar Clone Nursery testing Broad-sense heritability Genetic variation coefficient Genotypic gain
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1987.02.001
Document Code:
A
Abstract:
19 clones were first selected from F1 progeny of I-69 poplar × Simon poplar intersectional hybrids and 11 clones from F1 progeny of I-69 poplar ×Nigra poplar interspecial hybrids. In the former, hh2 is 86.0211%; hd2, 85.1068%; hv2, 76.4196%; GCVh, 15.8371%; GCVd, 17.5931% andGCVv, 41.7448%, while inthe latter hh2 is 86.6561%; hd2, 96.6488%, hv2, 88.0213%; GCVh, 17.0832%;GCVa, 18.8078% and GCVv, 42.9045%. The results indicated that it is possible to select excellent poplar clones from these populations.Genotypic, phenotypic and environmental correlation coefficients were highly significant in height, diameter and volume. This indicated that any one of the three growth characters was decisive on the selection of excellent clones. Finally, 5 clones were further selected from the 19 selected clones and 6 clones from the 11 selected ones mentioned above, and their genotypic gain was estimated.

References

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Last Update: 1900-01-01