Affiliation: | Authors' addresses: Department of Chemistry, UNICASTELO Rua Carolina Fonseca, 584, CEP08230-030, São Paulo, Brazil;;Experimental Centrum of Biological Institute, CP.70, 13001/970, Campinas, São Paulo, Brazil;;Department of Phytopathology, ESALQ/USP, C.P. 09, 13418-900, Piracicaba, SP, Brazil (correspondence to E. E. Bach. E-mail: ) |