1. Plant Physiology Laboratory, LMGV, Agricultural Science and Technology CenterState University of North Fluminense Campos dos Goytacazes RJ Brazil
2. Centro de Citricultura Sylvio Moreira, Instituto Agronômico, Rodovia Anhanguera São Paulo Brazil
3. Cajamar Experimental Station Las Palmerillas El Ejido Almería Spain
4. Department of AgronomyUniversity of Almería Almería Spain