6Hiratsuka S, Zhang S-L,and Nakagawa E et al. Selective inhibition of the growth of incompatible pollen tubes by S-protein in Japanese pear. Sex Plant Reprod, 2001;13: 209
7Ishimizu T, Sato Y, and Saito T et al. Identification and partial amino acid sequences of seven S-RNases associated with self-incompatibility of Japanese pear, Pyrus pyrifolia Nakai. J Biochem. 1996;120: 326
9Hiratsuka S, Kubo T, Okada Y. Estimation of self-incompatibility genotype in Japanese pear cultivars stylar protein analysis. J Japan Soc Hort Sci,1998;67:491
10de Nettancourt D. Incompatibility in angiosperms. New York, Springer-Verlag, Berlag, Heidelberg, 1977:1～29
