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The arbuscular mycorrhizas of pteridophytes in Yunnan, southwest China: evolutionary interpretations

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Abstract

 The percentage of arbuscular mycorrhizal pteridophytes among 256 pteridophyte species distributed in Yunnan (southwest China) was found to be lower than that in angiosperms. In the pteridophytes, the occurrence of arbuscular mycorrhizas was low in sporophytes of fern-allies and leptosporangiates, whereas in the eusporangiates it was relatively high. From the standpoint of mycotrophism, the evolutionary trend in the Filicineae may be from constantly mycorrhizal to facultative mycorrhizal and finally to nonmycorrhizal plants.

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Authors and Affiliations

  1. Department of Biology, Yunnan University, Kunming, 650091, P. R. China e-mail: zhaozhw@ynu.edu.cn Fax: +86-871-5153832, , , , , , CN

    Zhao Zhi-wei

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  1. Zhao Zhi-wei
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Accepted: 21 September 2000

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Zhi-wei, Z. The arbuscular mycorrhizas of pteridophytes in Yunnan, southwest China: evolutionary interpretations. Mycorrhiza 10, 145–149 (2000). https://doi.org/10.1007/s005720000076

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  • DOI: https://doi.org/10.1007/s005720000076

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