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Acta Prataculturae Sinica ›› 2011, Vol. 20 ›› Issue (1): 214-221.

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Effects of eco-environmental factors on the production and distribution
of arbuscular mycorrhizal fungal spores

SUN Xiang-wei1,2, WANG Xiao-juan1, CHEN Mu1, DOU Cun-yan1, GAO Fei-xiang2, JIN Liang1   

  1. 1.College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou
    730020, China;
    2.Bayannur Weather Bureau, Linhe 015000, China
  • Online:2011-02-22 Published:2011-02-22

Abstract: The number of spores in soil is an important indicator of the formation and distribution of arbuscular mycorrhizal (AM) fungi. The distribution of spores is mainly affected by climatic factors, soil properties, herbivores, host plants, and farming systems. Climatic factors and seasonal dynamics are the two main factors which determine the generation and distribution of AM fungal spores, including the infection, sporulation, and distribution of AM fungi by direct effects on the fungi or indirect effects through the host plants. Soil is the natural medium for spores. The distribution of spores in the soil ecosystem is mainly influenced by soil type, pH, soil moisture, permeability, nutrient content, and soil microorganisms. Host plants, herbivores, and farming measures also have an important impact on the AM fungal community. On the basis of the above, the influence of the intra- and inter-relationship of ecological factors on AM fungal spores distribution, and perspectives on the dynamics of communities in mycorrhizal ecology are discussed.

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