Affiliation: | 1. Department of Cell Biology, State University of Maringá, 87020‐900, Maringá, PR, Brazil;2. Department of Agronomy, State University of Maringá, 87020‐900, Maringá, PR, Brazil;3. Corresponding author, E‐mail: mfpsmachado@uem.br;4. CNPMS‐EMBRAPA, Caixa Postal 151, 35701‐970 Sete Lagoas, MG, Brazil |