1. 1) Nakashima, T., Ueno, T., Fukami, H., Taga, T., Masuda, H., Osaki, K., Otani, H., Kohmoto, K., and Nishimura, S., Isolation and structures of AK-toxin I and II, host-specific phytotoxic metabolites produced by Alternaria alternata Japanese pear pathotype. Agric. Biol. Chem., 49, 807-815 (1985).
2. 2) Kohmoto, K. and Otani, H., Host recognition by toxigenic plant pathogens. Experimentia, 47, 755-764 (1991).
3. 3) Walton, J. D., Host-selective toxins: Agents of compatibility. Plant Cell, 8, 1723-1733 (1996).
4. 4) Otani, H., Nishimura, S., and Kohmoto, K., Nature of specific susceptibility to Alternaria kikuchiana in Nijisseiki cultivar among Japanese pears (1). J. Fac. Agric., Tottori Univ., 7, 5-12 (1972).
5. 5) Otani, H., Nishimura, S., and Kohmoto, K., Nature of specific susceptibility to Alternaria kikuchiana in Nijisseiki cultivar among Japanese pears (II): Effect of host-specific toxin on permeability of pear leaves (supplementary report). J. Fac. Agric., Tottori Univ., 8, 14-20 (1973).