%0 Journal Article %T Evaluaci¨®n de ¨¢cido ac¨¦tico como fumigante de mosquita blanca Bemisia tabaci (Gennadious) en laboratorio y campo %A Samaniego Gaxiola %A Jos¨¦ Alfredo %A Amaya Carrillo %A Jos¨¦ Emmanuel %A Puente Manr¨ªquez %A Jos¨¦ Luis %J Revista mexicana de ciencias agr¨ªcolas %D 2012 %I Instituto Nacional de Investigaciones Forestales, Agr¨ªcolas y Pecuarias %X the aim of this work was to assess the capacity of acetic acid (aa) like fumigant against bemisia tabaci (silverleaf whitefly) which is a pest of national importance. in laboratory, the bug was fumigated with three doses-time regimes: (both media), low dose-long time and high dose-short time. in field, squash leaves of four varieties were fumigated with 8, 16 and 32 ¦Ìg ml-1 of aa during of 20, 40 and 60 min; additionally, it was assessed damage in foils (phytotoxicity) after fumigation. in laboratory, fumigation time > 15 min and 8¦Ìgml-1 of aa killed 100% of whitefly, while its survival was reduced 40% when fumigated eight hours with 2 ¦Ìml-1 of aa; but control incubation (whitefly without fumigation) during ¡Ý 16 h also reduced its survival; meanwhile, with 8 and 16 ¦Ìgml-1 of aa the pest survival was reduced since five minutes (~20-80%). in field, the whitefly survived ~ 40% in leaves of four varieties afterfumigating with aa(8-32 ¦Ìg ml1)during20min, but pest practically did not survive when increasing fumigation time to 60 min. the leaves showed severe damage (phytotoxicity) > to 50% except in dose of 8¦Ìg ml-1 at 20 min with damage of - 20%. alternative to use of aa like fumigant are discussed. %K biofumigants volatile fatty acids %K vegetal protection.. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S2007-09342012000300001&lng=en&nrm=iso&tlng=en