Institution: | (1) Department of Biology, South China Agricultural University, 510642 Guangzhou, P.R. China;(2) Present address: International Rice Research Institute (IRRI), P.O. Box 933, 1099 Manila, Philippines;(3) International Rice Research Institute (IRRI), P.O. Box 933, 1099 Manila, Philippines;(4) Present address: Chugoku National Agricultural Experiment Station, Nishifukatsu 6-12-1, 721 Fukuyama, Japan |