4.6 Article

Arbuscular Mycorrhizal Fungi Associated with Maize (Zea mays L.) in the Formation and Stability of Aggregates in Two Types of Soil

Journal

MICROORGANISMS
Volume 11, Issue 11, Pages -

Publisher

MDPI
DOI: 10.3390/microorganisms11112615

Keywords

Claroideoglomus claroideum; Rhizophagus aggregatus; soil classification

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This study investigated the composition of native Arbuscular Mycorrhizal Fungi (AMF) species in two different soils and their impact on the development and stability of soil aggregates after inoculation with allochthonous AMF. The results showed that the native AMF influenced the activity of allochthonous AMF and there were differences in the stability of macro-sized aggregates between the two soils.
Knowledge of native Arbuscular Mycorrhizal Fungi (AMF) and their relationship with the edaphic characteristics where they live is important to establish the influence of allochthonous AMF, which were inoculated, on the development and stability of soil aggregates. The objectives of this research were to know the composition of native AMF species from two contrasting soils, and to establish the development and stability of aggregates in those soils with corn plants after inoculating them with allochthonous AMF. The experiment had three factors: Soil (two levels [S1 and S2]), HMA (three levels: without application [A0], with the application of Claroideoglomus claroideum [A1] and with the application of a consortium [A2]) and Fertilization (two levels (without fertilization [f0] and with fertilization [f1])). Twelve treatments were generated, with five replicates (60 experimental units [EU]). The EU consisted of a pot with a corn plant and the distribution was completely random. The results demonstrated that the Typic Ustifluvent presented nine species of native AMF, while the Typic Dystrustert had three; the native AMF in each soil influenced the activity of allochthonous AMF, such as their colonization and sporulation. Likewise, differences were found in the stability of macro-sized aggregates (0.5 to 2.0 mm).

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