Influence of agrosystems on the diversity of mycorrhizae under plantain banana cultivation in the forest region of Kisangani (Tshopo Province, DR Congo)

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Date
2022
Author
Kasaka, D.
Onautshu, O.D.
Muliwambene, K.
Lebisabo, B.
Katho, G.
Baert, G.
Swennen, R.
Haesaert, G.
Dhed'a, D.B.
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Abstract/Description
The largest genetic diversity of plantain banana (Musa AAB subgroup) is found by DRCongo. Arbuscular mycorrhizal fungi (AMF) are synergistic beneficial organisms with a positive effect on growth vigor. We determined the influence of plantain banana-based agrosystems on the diversity of AMF in agroforestry and home-garden field systems located in the Kisangani region of DR Congo. Soil samples of the different agrosystems showed a high mycorrhizal frequency (82.5%) with an overall mycorrhizal rate of 33.43%. Vigorous plantain plants are growing in soils that rich in AMF spores whereas non vigorous ones were found in soils that had few AMF spores. There were also significant differences between cultivars, in terms of the number of spores. Glomus was the most abundant genus followed by Gigaspora, Acaulospora, Scutellospora and Entrophospora. The diversity indices evaluated, richness, abundance and Shannon_H showed non-significant difference between agroforestry and home-garden plantains. However, agroforestry plantains showed a larger Inv-Simpson and Equitability-J index than home-garden plantains. Soil physico-chemical characteristics had an effect on abundance of mycorrhizal genera in all inventoried mycorrhizal taxa.
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https://hdl.handle.net/20.500.12478/7485
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https://dx.doi.org/10.9734/jaeri/2022/v23i330225
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