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- Title
Diversidad de micorrizas arbusculares en pasto colosuana (Bothriochloa pertusa (L) A. Camus de fincas ganaderas del municipio de Corozal-Sucre.
- Authors
Pérez C., Alexander; Botero L., Catalina; Cepero G., Maria
- Abstract
Characterize communities of fungi that produce arbuscular mycorrhizal (AMF) in the rhizosphere of the Colosuana grass (Bothriochloa pertusa (L). A. Camus) in cattle farms located in the municipality of Corozal, Sucre. Materials and methods, 43 cattle farms were sampled in 4 agroecological zones of the municipality. Spore isolation from the ground was performed, determining the percentage of root colonization, separation and identification of morphotypes of AMF. Results. The multifactor ANOVA showed that the number of AMF spores and the percentage of root colonization of Colosuana (Bothriochloa pertusa) was higher on farms located in the agro-ecological zone 4 and 2, respectively. 31 AMF morphotypes were isolated; a 96.9% corresponded to morphotypes with characteristics similar to species within the genus GIomus and 3.1% to Gigaspora. Conclusions. The high diversity of morphotypes of AMF associated Colosuana become an alternative biological resource, and its management, conservation and effects on productivity, generate environmental benefits by improving the physic-chemical and biological conditions of the soil. Its inclusion in the inventory of the diversity of microorganisms in these agro ecosystems is proposed.
- Subjects
VENEZUELA; VESICULAR-arbuscular mycorrhizas; BOTHRIOCHLOA; LIVESTOCK farms; COROZAL Site (Venezuela)
- Publication
Revista MVZ Córdoba, 2012, Vol 17, Issue 2, p3024
- ISSN
0122-0268
- Publication type
Article