%0 Journal Article
%T Eficacia de Metarhizium anisopliae para controlar Aeneolamia varia (Hemiptera: Cercopidae), en ca a de az迆car Efficacy of Metarhizium anisopliae to control Aeneolamia varia (Hemiptera: Cercopidae), in a sugar cane
%A JES迆S ARVEY MATABANCHOY SOLARTE
%A ALEX ENRIQUE BUSTILLO PARDEY
%A ULISES CASTRO VALDERRAMA
%A NORA CRISTINA MESA COBO
%J Revista Colombiana de Entomolog赤a
%D 2012
%I Sociedad Colombiana de Entomolog赤a
%X En junio de 2007, se encontr車 el salivazo Aeneolamia varia (Hemiptera: Cercopidae) en cultivos de ca a de az迆car, localizados en la zona rural del municipio de Yotoco, Valle del Cauca, Colombia. Esta especie se considera una plaga importante en pasturas y como potencial para la ca a de az迆car. Debido a esto se plane車 evaluar, bajo condiciones de campo, en un cultivo de ca a de az迆car, diferentes cepas del hongo Metarhizium anisopliae (CCMa0906, CCMa1008, CeMa9236 y CoMa01) seleccionadas en estudios previos. Inicialmente se realiz車 un experimento en un cultivo de ca a para seleccionar la cepa de mayor eficacia en dosis de 1,0 x10(13) conidias/ha sobre ninfas de A. varia. Luego, en dos experimentos de campo, se evalu車 la cepa seleccionada (CeMa9236) aplicada en diferentes dosis (1 x 10(12), 5 x 10(12), 1 x 10(13), 5 x 10(13) conidias/ha). Se encontr車 que la mortalidad increment車 con la dosis. Con 5 x 10(13) conidias/ha, se obtuvo la mayor mortalidad en los dos experimentos (66% y 72%), sin embargo para prop車sitos de control en lotes comerciales de ca a de az迆car infestados con A. varia, se deber赤an evaluar dosis inferiores (5 x 10(12) a 1 x 10(13) conidias/ha). In June 2007, the spittlebug Aeneolamia varia (Hemiptera: Cercopidae) was found in sugar cane crops located in the rural zone of the municipality of Yotoco, Cauca Valley, Colombia. This insect is considered an important pest of pastures and a potential pest of sugar cane crops. Due to this situation, we planned to evaluate, under field conditions, in a sugar cane field, different strains of Metarhizium anisopliae (CCMa0906, CCMa1008, CoMa01 and CeMa9236), selected in previous studies. A first experiment was conducted in a cane field to select the strain with greatest efficacy at the dose of 1.0 x 10(13) conidia/ha on nymphs of A. varia. Then, in two other field experiments, the selected strain (CeMa9236) was evaluated when applied at different dosages (1 x 10(12), 5 x 10(12), 1 x 10(13), 5 x 10(13) conidia/ha). It was found that mortality increased with dosage. At 5 x 10(13) conidia/ha, the greatest mortality was found in the two experiments (66% and 72%), however, for purposes of control in commercial sugar cane plots infested with A. varia, lower dosages (5 x 10(12) to 1 x 10(13) conidia/ha) should be tested.
%K Salivazo de la ca a de az迆car
%K Hongos entomopat車genos
%K Control microbial
%K Sugar cane spittlebug
%K Entomopathogenic fungi
%K Microbial control
%U http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-04882012000200002