Bibliographic citations
Diaz, M., (2022). Diversidad de hongos micorrízicos arbusculares (HMA) en plantaciones de café y bosques de San Martín, Perú [Universidad Nacional de San Martín. Fondo Editorial]. http://hdl.handle.net/11458/4812
Diaz, M., Diversidad de hongos micorrízicos arbusculares (HMA) en plantaciones de café y bosques de San Martín, Perú []. PE: Universidad Nacional de San Martín. Fondo Editorial; 2022. http://hdl.handle.net/11458/4812
@misc{renati/1054234,
title = "Diversidad de hongos micorrízicos arbusculares (HMA) en plantaciones de café y bosques de San Martín, Perú",
author = "Diaz Torres, Marlon",
publisher = "Universidad Nacional de San Martín. Fondo Editorial",
year = "2022"
}
Coffee (Coffea arabica L.) is one of the most important agricultural crops worldwide and at the national level, the San Martin region being one of the main national producers. The cultural practices of coffee cultivation in the region may influence the diversity of soil microbial populations, including arbuscular mycorrhizal fungi (AMF). Therefore, the present research aims to evaluate the diversity of AMF associated with coffee plantations and primary forests in six localities of the San Martin region (Santa Rosa, San Roque, Chontal, Buenos Aires, Cordillera Andina, Shamboyacu). The methodology was conducted based on the collection of rhizospheric soil and root mass, followed by the isolation and identification of AMF. Analyses of AMF species richness, Simpson's dominance index, Shannon index of diversity and colonization were performed. A Pearson also conducted in order to determine AMF richness, Simpson's index and Shannon index of AMF and edaphic factors. A completely randomized design (CRD) was used, with factorial arrangement 2A x 6B, considering ecosystems as factor A and localities as factor B. In this sense, 28 AMF species were identified in agricultural and forest ecosystems in the six localities under study. A slight abundance Acaulospora, Dominikia, Glomus and Funneliformis different localities. While the abundance of AMF spores showed a dominance of genera of the Glomeraceae family. The species richness of AMF associated with coffee did not show significant differences, but averages of 6.33 and 5.87 were obtained for agricultural and forest ecosystems respectively, being the locality of Cordillera Andina the richest with an average of 7.5. The community structure in the rhizosphere of coffee plantations showed that the locality of Cordillera Andina presented the highest diversity of community structure in the coffee rhizosphere with 1.51 Shannon index. In the case of AMF distribution in coffee plantations according to edaphic factors, a positive correlation was observed in the parameters of pH, electrical conductivity, potassium, etc. In some cases a negative correlation between the parameters of phosphorus, silt, etc., richness and diversity AMF was in coffee plantation roots, it was determined that the Shamboyacu locality presented the highest percentage with 82.79%.
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