Arbuscular mycorrhizal fungi in the East African Highland banana cropping systems as related to edapho-climatic conditions and management practices: case study of Rwanda
(2010) Fungal Ecology — Vol. 3, n° 3, p. 225-233 (2010)
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- Abstract
- Root colonization, soil population density and diversity of arbuscular mycorrhizal (AM) fungi were assessed in 188 banana fields in contrasting soil types across five eco-regions in Rwanda (Butare-Gitarama, Gashonga, Bugarama, Kibungo, Ruhengeri). Root colonization was observed in all banana plants, whatever the soil type, field site and farm. The population density was higher on the wetter (1 300-1 500 mm yr(-1)) volcanic soils (Gashonga 59.8 and Ruhengeri 48.5 propagules 100 g(-1) soil, respectively) as compared to the dryer (900-1200 mm yr(-1)) soils derived from schist and granite (Butare-Gitarama 2.0, Kibungo 8.5, Bugarama 14.7 propagules 100 g(-1) soil). The diversity was highest in Kibungo and lowest in Butare-Gitarama (10 and 2 spore morphotypes, respectively). These results suggested that AM fungi were widespread in banana cropping systems in Rwanda, but that root colonization, population density and diversity varied considerably depending on edapho-climatic conditions (i.e. rainfall, soil texture and P content) and soil management practices (tillage). (C) 2009 Elsevier Ltd and The British Mycological Society. All rights reserved.
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Gaidashova, S., Delvaux, B., Van Asten, P. J. A., Jefwa, J. M., & Declerck, S. (2010). Arbuscular mycorrhizal fungi in the East African Highland banana cropping systems as related to edapho-climatic conditions and management practices: case study of Rwanda. Fungal Ecology, 3(3), 225-233. https://doi.org/10.1016/j.funeco.2009.09.002 (Original work published 2010)