山形県庄内地方におけるカキの在来品種の分布と利用に関する調査

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キーワード：カキ，在来品種，分布，利用，山形県庄内地方　We gathered informations on the distribution and utilization of local varieties of persimmon in the Shonai district of yamagata prefecture by reviewing related literature and conducting a verbal survey over the district. From 34 reports written in and after the Edo period, we obtained information on the origins and methods for utilizing 30 varieties of persimmon in that district. We used persimmons for production of dried fruit, confectionaries, and kaki-shibu (fermented persimmon tannins) as well as other products at that time. From verbal survey to 287people, the informations on 62 varieties (40 astringent, 17 nonastringent, and 5 astringency-unknown persimmons) were obtained. Oniy 35 (24 astringent and 11 nonastringent persimmons) of those varieties seemed to be currently exisant. Persimmon trees of local varieties have often beenplanted in house gardens in Japan. So the decrease in the number of varieties and trees may be due to rebuilding the houses, conversion from local varieties to one economically leading (Hiratanenashi), and changes in dietary preferences for fruit. That decrease progressed rapidly over the lest 20-30 years. There was little information on utilization for purposes other then cating fruit. In contrast, there were many methods of removing astringency, i.e., dipping fruit into hot water, promoting postharvest ripening of the frest, treating with ethanol, and sun-drying after peeling. we slso obtained the information that some local varieties such as Denkuro were previously sold as a commodity in the district.　Key words: persimmon, local valiety, distribution, utilization, Shonai district of yamagata Prefecture
山形大学の論文
2003-02-15

山形県庄内地方におけるカキの在来品種の分布と利用に関する調査

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