Arbuscular mycorrhizae in two national cocoa production systems (organic and chemical fertilization) in the province of Los Ríos, Ecuador

Prieto Benavides Oscar Oswaldo; Urdánigo Zambrano Juan Pablo; Cedeño Moreira Ángel Virgilio

doi:10.53730/ijhs.v6nS2.8801

Authors

Prieto Benavides Oscar Oswaldo
oprieto@uteq.edu.ec
Universidad Técnica Estatal de Quevedo, Facultad de Ciencias de la Ingeniería, Av. Quito Km. 1 ½ vía a Santo Domingo de los Tsáchilas, Quevedo, Ecuador
Urdánigo Zambrano Juan Pablo Universidad Técnica Estatal de Quevedo, Facultad de Ciencias de la Ingeniería, Av. Quito Km. 1 ½ vía a Santo Domingo de los Tsáchilas, Quevedo, Ecuador
Cedeño Moreira Ángel Virgilio Department of Biotechnology, Molecular Microbiology Laboratory -PGPR. Universidad Técnica Estatal de Quevedo. Facultad de Ciencias Agropecuarias, EC. 120501, Los Ríos-Ecuador

Keywords:

mycorrhizae, bioindicators, cocoa, rhizosphere, fertilizer, phytosanitary products

Abstract

The objective of this study was to evaluate the behavior of mycorrhizae in national cocoa plantations (Theobroma cacao L.) with different production systems, through the relationship between soil physicochemical characteristics and the ecology of arbuscular mycorrhizae as bioindicators of soil quality. Sixty soil and root samples were taken from the cantons of Quevedo, Buena Fé, Valencia, La Maná, and Mocache, to recover and count arbuscular mycorrhizae that inhabit the cocoa rhizosphere. Descriptive statistical methods were used for the general representation of the results of the observations; inferential methods were used to determine if the study factor (fertilizer application) in the influence on the ecological parameters of mycorrhizae. In terms of arbuscular mycorrhizal fungi (AMF) species richness, the PERMANOVA test showed that there were no significant statistical differences in fungal genus richness between farms with fertilization (p: 0.9936). I

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