1. Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE) Centro Nacional de Pesquisa em Energia e Materiais (CNPEM) Rua Giuseppe Máximo Scolfaro 10000, Polo II de Alta Tecnologia Campinas SP CEP 13083‐970 Brazil
2. Department of Forest, Rangeland and Fire Sciences University of Idaho Moscow ID 83843 USA
3. Department of Plant Biology University of Illinois Urbana‐Champaign Urbana IL 61801 USA
4. Institute for Sustainability, Energy and Environment University of Illinois Urbana‐Champaign Urbana IL 61801 USA