1. Studies on root diseases of spinach and soil scientific research on their occurrence. I. Occurrence of root diseases in Sapporo City and root rot (common name: Kamairazu) by Aphanomyces cochlioides;Akashi;Bulletin of Hokkaido Prefectual Agrictural Experiment Station,1985
2. Soil environment in relation to the incidence of Aphanomyces root rot of spinach. I. Effect of nitrate nitrogen on disease outbreak;Akashi;Annals of the Phytopathological Society of Japan,1987
3. Native PAGE;Anonymous;Pharmacia LKB Biotechnology, Phast-System™ Separation Technique File 120,1986
4. Native PAGE in Homogeneous Media;Anonymous;Pharmacia LKB Biotechnology, PhastSystem™ Separation Technique File 121,1986
5. The use of isozymes in plant disease research;Burdon,1983