1. Department of Genetics and Biochemistry, INGEB, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
2. Mutagenesis and Cytogenetics Laboratory, University Center of Patos de Minas, Patos de Minas, Minas Gerais, Brazil
3. Institute of Geography, Department of Geography, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil