Özet:

Mycorrhiza develop on the surface of the roots and create complex networks of nutrients transport between the hosts. The present paper evaluates the modification of endomycorrhizal parameters in urban grasses due to the distance from the trunk of the trees. Grass samples were harvested from 3 parks. The objective is to identify the area of maximum development of the mycorrhizal network and the spatial stability of the symbiosis. A pattern of mycorrhizal mechanisms can be identified due to human intervention in the ecosystem. In ecosystems, the overhead distance between trees is dominated by grassy species capable of endomycorrhizal connections. Between fungi and plants, connecting nodes and nutrient transfer points appear. Frequency of mycorrhizas in grasses is over 90%. The intensity in root is below 30%, but supported by high arbuscularity. The impact of mycorrhizae is felt only at the time of intense colonization and the presence of arbuscules.

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