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桤木种源(家系)苗期根瘤固氮能力的遗传变异(PDF)

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

Issue:
2004年04期
Page:
68-72
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
A Study on Genetic Variation of Nitrogen Fixation Ability During the Seedling Stage of Alnus cremastogyne
Article ID:
1000-2006(2004)04-0068-05
Author(s):
WANG Jun-hui~1GU Wan-chun~1XIA Liang-fang~2YU Liang-fu~2
1.The Research Institute of Forestry,Chinese Academy of Forestry,Beijing 100091,China;2.Experimental Centre of Subtropical Forestry,Chinese Academy of Forestry,Fenyi 336600,China
Keywords:
Alnus cremastogyneProvenanceNitrogen fixation abilityGenetic parameter
Classification number :
S792.14
DOI:
10.3969/j.jssn.1000-2006.2004.04.017
Document Code:
A
Abstract:
Provenance and family variation of nitrogen fixation ability during the seedling stage of Alnus cremastogrne were discussed. The random complete block design was adopted in the test.The result showed that except the number of nodule, there were significant or very significant differences for index of nitrogen fixation ability among provenances and single trees within provenances during the seedling stage of the alder. The heritabilities of the number of nodule,amount of nodulation,nitrogenase activity and amount of nitrogen fixation were (0.176 0),0.917 2,0.119 9 and 0.189 6,respectively,and it showed the amount of nodulation was genetically highly controlled.The correlation between the index of nitrogen fixation and EGA was significant.

References

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Last Update: 1900-01-01