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Volume 2 Issue 2
Apr.  2012
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Huang Weinan, Huang Yan, Wu Yide, Cai Keqiang. RELATION BETWEEN THE DEVELOPMENT OF NODULES IN LEUCAENA LEUCOCEPHALA AND THE NITROGENASE ACTIVITY[J]. Fujian Journal of Agricultural Sciences, 1987, 2(2): 48-53.
Citation: Huang Weinan, Huang Yan, Wu Yide, Cai Keqiang. RELATION BETWEEN THE DEVELOPMENT OF NODULES IN LEUCAENA LEUCOCEPHALA AND THE NITROGENASE ACTIVITY[J]. Fujian Journal of Agricultural Sciences, 1987, 2(2): 48-53.

RELATION BETWEEN THE DEVELOPMENT OF NODULES IN LEUCAENA LEUCOCEPHALA AND THE NITROGENASE ACTIVITY

  • Received Date: 1987-05-19
  • Publish Date: 1987-11-15
  • This paper reports the micrographic structure and nitrogenase activity of nodules in L. leucocephala at their different stages of development. Nodules changed considerably in external shape during their growth, from sphere or column to multibranch. However, all forms of nodules had the common structure,consisting of bacteroid-containing tissues, vascular tissues, meristems and cortices. The highest nitrogenase activity, as determined by acetylene reduction assay, was observed in the mature nodules; the juvenile nodules ranked the second;and the senescent nodules followed as the last. The mature nodules contained the greatest number of bacteroids. The juvenile nodules had more bacteroids than the senescent nodules.The possible mechanism of meristematic differentiation in nodules are also discussed in this paper.
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  • [1]
    蔡克强等,1986,银合欢功苗根瘤的固氮特性研究。植物生理学通讯3:35-37.
    [2] 李正理,1978,植物切片技术科学出版社,北京。
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