Actividad inhibitoria de actinomicetos aislados de cormigas Cultivadoras de hongos (Hymenoptera: Formicidae) sobre Colletotrichum lindemuthianum y Rhizoctonia solani
DOI:
https://doi.org/10.59741/agraria.v8i1.445Keywords:
Antagonism, cutting ants, Rhizoctonia solani, Leucocoprinus, inhibitionAbstract
Twenty nine strains of actinomycetes were isolated from the outer surface of leafcutter ants (fungus cultivators), sampled in the Mexican states of Coahuila, Nuevo Leon and Tamaulipas. Different species of the genera Acromyrmex, Atta, Cyphomyrmex, Mycocepurus, and Trachymyrmex, were collected. The inhibitory activity of these isolates in vitro with Rhizoctonia solani and Colletotrichum lindemuthianum was evaluated on a Czapek’s agar plate. Of these 29 isolates, 13 showed inhibitory activity, 11 inhibited C. lindemuthianum and 3 R. solani, being different among them the isolates for each tested pathogen, except for strain AC14, which showed inhibition in both species found a 68.18% and 43.06% inhibition of C. lindemuthianum and R. solani respectively. Actinomycetes present in leafcutter ants can act as biological control agents for R. solani and C. lindemuthianum.
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