EFECTO DE TAGETES SPP. SOBRE DOS ÁFIDOS PLAGAS DE LACTUCA SATIVA (L.).

The efficiency of Tagetes' intercropping and natural extract on Lactuca sativa aphids population dynamic was evaluated. A complete randomized design DCA was used working with the plant as the sampling unit. They were considered three treatments: control (T), Tagetes' intercropping (CI) and crop powdered with Tagetes' natural extract (CP). Data analysis was performed through an ANOVA and Tukey's test, corresponding to essays repeated in time. Control aphids population dynamic was bigger than crop powdered with Tagetes' natural extract, it was the smallest. Intercropping has a middle population. [ABSTRACT FROM AUTHOR]