Rhizosphere Microbial Population and Plant Species Diversity as Influenced by Chromolaena odorata Invasion

Solomon A. Adejoro, Lekan C. Aguda

Abstract


Invasive plant species have been commonly implicated to cause loss in plant species diversity. Attention had however not been paid to the effects of these species loss on the soil microbiome. A study was conducted in 18 farmers’ fields within three states in southwestern Nigeria to examine the effect of Siam weed (Chromolaena odorata) invasion on native plant diversity as well as on the rhizosphere microbial population using randomized complete block design. Results indicated significant losses in plant species diversity and reduction in density per square meter compared with adjacent non infested fields. Results further showed C. odorata invasion exerted diverse influence on soil microbial population. Relationships were subsequently established among plant density, species diversity; and soil microbial population. Further studies were also recommended to accommodate more microbiological indices.


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DOI: https://doi.org/10.5296/jas.v6i4.13944

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Paper Submission E-mail: jas@macrothink.org

Journal of Agricultural Studies   ISSN 2166-0379

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