Silveira, R.D. Faroni, L.R.A. Guedes, R.N.C. Queiroz, M.E.L.R. Pimentel, M.A.G. Biological activity and persistence of pirimiphos-methyl applied to maize grain at different temperatures Subjects--Topical Terms: SITOPHYLUS ZEAMAISTRIBOLIUM CASTANEUMCONTROLE QUÍMICORESÍDUO