Estimation of genes in blast resistance in elite indica-type rice (Oryza sativa L.) varieties-bred at the International Rice Research Institute - Ebron, Leodegario A.; Fukuta, Yoshimichi; Imbe, Tokio; Kato, Hiroshi; Yanoria, Mary Jeanie T.; Tsunematsu, Hiroshi; Khush, Gurdev S.; Yokoo, Masao (Japanese Society of Breeding, 2004)