1. Embrapa Soja, Soil Biotechnology Laboratory, Londrina, Paraná, Brazil
2. Department of Microbiology, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
3. CNPq, SHIS QI 1 Conjunto B, Blocos A, B, C e D, Lago Sul, Brasília, Federal District, Brazil
4. International Institute of Tropical Agriculture (IITA), Nampula, Mozambique