%0 Journal Article %T (Lepidoptera: Gelechiidae) mediante su feromona para la interrupci¨®n del apareamiento %A BOSA O %A FELIPE %A OSORIO M. %A PABLO %A COTES P %A ALBA MARINA %A BENGTSSON %A MARIE %A WITZGALL %A PETER %A FUKUMOTO %A TAKEHIKO %J Revista Colombiana de Entomolog¨ªa %D 2008 %I Sociedad Colombiana de Entomolog¨ªa %X abstract : the aim of this study was to evaluate the control of tecia solanivora (lepidoptera: gelechiidae) through mating disruption for its possible feasibility in potato crops. in a wind tunnel, an unbalanced blend of the pheromone consisting of e3-12ac, z3-12ac and 12ac in the proportion 100:50:100, respectively (70 mg per dispenser), produced a total inhibition of male attraction to the pheromone released by females, as compared to females releasing the pheromone (69% attraction). in the field, this blend at 10 hg/trap significantly inhibited capture with two males/trap, whereas control traps containing e3-12ac y z3-12ac (100:1 respectively) captured 50 males/trap. in 3 ha treated with the unbalanced blend in dispensers placed at the base of potato plants at a density of 1,227 dispensers/ha (equivalent to 86 g of pheromone/ ha), male attraction was significantly reduced to monitoring traps by 94%, by 89% to traps with females, and mating of confined pairs was reduced by 67%, in comparison with a control area (1 ha untreated). these results indicate the potential of this technique for reducing populations of the pest. %K papa %K semioqu¨ªmicos %K t¨²nel de viento. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0120-04882008000100009&lng=en&nrm=iso&tlng=en