Current Status of Onfarm Seed Saving of ʻKaida kabuʼ, a Local Turnip Variety in Nagano Prefecture, Japan

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  • 長野県在来カブ品種‘開田蕪’における自家採種の現況

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Abstract

A field survey was conducted at Kaida Kogen, Kiso-machi, Kiso-gun, Nagano Prefecture, Japan to investigate the on-farm seed saving farmers and their seed saving field of the local turnip variety ‘Kaida kabu’. The results showed that 42 farmers produdce seeds, and the average number of seed plants in their fields was 20.7. Of the total, 92.5％ had less than 16 plants, 70.0％ had less than 10 plants, and 7.5％ had more than 100 plants. The location of the seed fields revealed the existence of genetic exchange between neighboring seed saving fields, and interviews revealed the existence of genetic exchange between seed saving farmers. Another different turnip strain, ‘Pink kabu’, was recognized and maintained among a small number of farmers. Its morphological characteristics were sought to be elucidated. Although many farmers still produce seeds of ‘Kaida kabu’, the number of farmers is expected to decrease near future due to the aging of the seed saving farmers. To maintain and conserve genetic diversity, it is considered effective to raise awareness of seed-saving practices, such as refraining from cultivating different turnip varieties in the region.

Journal

  • 信州大学農学部AFC報告

    信州大学農学部AFC報告 22 31-36, 2024-03-31

    信州大学農学部附属アルプス圏フィールド科学教育研究センター

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