Dinámica de los hongos de Micorriza Arbuscular (MA) en un Humic Dystrudepts sembrado con maíz Zea mays L. y Abonos Verdes (AV)

Francisco Javier Vélez Zabala; Marina Sánchez de Prager

doi:10.22490/21456453.915

Vol. 5 No. 1 (2014)

Published

2014-01-07

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Dynamic of Arbuscular Mycorrhiza (AM) fungus in a Humic Dystrudepts sowed with corn Zea mays L. and Green Compost (GC)

DOI: https://doi.org/10.22490/21456453.915

Section

Artículos de Investigación

Francisco Javier Vélez Zabala Universidad Nacional de Colombia Sede Palmira, Valle del Cauca

Marina Sánchez de Prager Universidad Nacional de Colombia Sede Palmira, Valle del Cauca

Green Compost (GC) have a positive impact on physical, chemical and biological properties of the soil, among them, the expression of the MA. In a Humic Dystrudepts in a mountainous area of Palmira (Valle) five treatments were established: (T), fertilization of insdustrial chemical synthesis (FQ), green manure (AV), Compost (C) and green manure compost (AVC), in a settlement of randomized complete blocks with three replications. As GC intermingled Canavalia ensiformis L. and Axonopus scoparius F., were harvested in prefloration of the legume, incorporated and became the first planting of corn, variety ICA V-354, monitored during 150 days, until time of fill of cob, when assessed length total external mycelium, LMET (Technical of the membrane filter method and the intercepted of Miller and Jastrow), that alive and active LMEV (succinate dehydrogenase, Hamel et al., 1990) and percentage of colonization by branch out manifold (Phillips and Hayman, 1980, described by Sieverding, 1983 and adapted for this crop, Sanchez et al. , 2010). The analysis of variance (SASR software version 9.1.3 ) showed that LMET, LMEV and % of branch out manifold showed highly significant differences between treatments. Greater LMET, coincided with increases in LMEV, colonization by branch out manifold and is presented in GC C, followed by AV, C and T, which did not vary among themselves, and, the lowest in CF. The coincidence of these three variables, would indicate that through LMET and especially, LMEV is absorbing and transporting P to the inside of the plants, and this supply, coinciding with higher % of colonization by branch out manifold, traces the path of the conjunction P in the soil-plantorganic fertilization, with their consequences on the economy of the agroecosystem and farmer.

arbuscular mycorrhiza (MA), length of total external mycelium (LMET), length of external mycelium alive (LMEV), green compost (GC).

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Vélez Zabala, F. J., & Sánchez de Prager, M. (2014). Dynamic of Arbuscular Mycorrhiza (AM) fungus in a Humic Dystrudepts sowed with corn Zea mays L. and Green Compost (GC). Revista De Investigación Agraria Y Ambiental, 5(1), 69-79. https://doi.org/10.22490/21456453.915

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Dynamic of Arbuscular Mycorrhiza (AM) fungus in a Humic Dystrudepts sowed with corn Zea mays L. and Green Compost (GC)

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