Resumen

CURIS, M. C et al. Franjas marginales de Brassica campestris L. (nabo) en cultivo de repollo. Efecto sobre pulgones y sus parasitoides: Título abreviado: Franjas marginales de Brassica campestris L. .... FAVE. Secc. Cienc. agrar. [online]. 2014, vol.13, n.1, pp.17-28. ISSN 1666-7719.

The dynamics of population of pests and natural enemies are affected by plant diversity in agroecosystems; being an alternative the use strips traps to control in several crops. The aim of this work was to determine the effect of marginal strips of Brassica campestris on the aphid population and their parasitoids in a cabbage (Brassica oleracea var. capitata) crop. The study was conducted in Santa Fe area, in a commercial crop, beginning on February 2012.  At the northern edge, the strip trap was made with plants of rape oil. Four treatments were made: 1) marginal strip, without use of agrochemicals, 2) marginal strip, with agrochemicals, 3) no marginal strip without agrochemicals and 4) no marginal strip, with agrochemical. Weekly was monitored the presence of aphids and parasitoids, in three plant per treatment, finding significant differences in the populations present in the crop and marginal strip.

Palabras clave : Aphididae, biodiversity; Control biológico; Brevicoryne brassicae; Mizus persicae; Diaeretiella rapae.

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