SciELO - Scientific Electronic Library Online

vol.20 número3In vitro and in vivo studies demonstrate non-mutagenicity of the herbicide metolachlorExtraction of genomic DNA from Melipona quadrifasciata (Hymenoptera: Apidae, Meliponinae) índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Brazilian Journal of Genetics

versión impresa ISSN 0100-8455
versión On-line ISSN 1678-4502


CELIS, Verónica E. Rubín de et al. Chromosome studies in southern Brazilian wheat pest aphids Sitobion avenae, Schizaphis graminum, and Methopolophium dirhodum (Homoptera: Aphididae). Braz. J. Genet. [online]. 1997, vol.20, n.3, pp.-. ISSN 0100-8455.

We examined the chromosome set of the aphid species Sitobion avenae, Schizaphis graminum and Methopolophium dirhodum by means of conventional staining and C, NOR, AluI and HaeIII banding methods. These species are considered important pests to several plants of economic interest in Brazil. No variation was observed in the number of chromosomes of S. avenae, whereas there was intraspecific variation in the other two species. Interspecific differences in the response to the banding treatments were observed. Whereas these techniques allowed the identification of several S. graminum chromosome pairs, only the AluI treatment was capable of inducing differential staining in the M. dirhodum chromosomes and no clear patterns emerged when the S. avenae preparations were treated

        · resumen en Portugués     · texto en Inglés


Creative Commons License Todo el contenido de esta revista, excepto dónde está identificado, está bajo una Licencia Creative Commons