単為結果性ナス品種 'あのみのり' の育成経過とその特性

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書誌事項

タイトル別名
  • Development of the Parthenocarpic Eggplant Cultivar 'Anominori'
  • タンイ ケッカセイ ナス ヒンシュ アノミノリ ノ イクセイ ケイカ ト ソノ トクセイ

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説明

'Anominori', a parthenocarpic eggplant cultivar was developed at the National Institute of Vegetable and Tea Science, and was registered as 'Nasu Nourin Kou 4' in 2006. 'Anominori' is the F_1 hybrid between two parthenocarpic inbred lines, 'AE-P08' and 'AE-PO1'. 'AE-P08' was selected from the cross between an F_3 plant derived from the cross between 'Nakate Shinkuro' and 'Talina', the commercial parthenocarpic F_1 hybrid released by Sluis and Groot Co. Ltd. that has been widely cultivated in Italy, and an F_4 plant derived from the cross between 'Talina' and 'Nasu Chuukanbohon Nou 1'. 'AE-PO1' was selected from the cross between 'Talina' and 'Nasu Chuukanbohon Nou 1'. Set and growth of eggplant fruit are often improved by using pollinator insects or by treating flowers with phytohormones to trigger the development of the ovary into a fruit. These techniques are costly and/or labor-intensive. Parthenocarpic varieties are the most cost-effective solution to improve fruit set and growth under sub-optimal environmental conditions. 'Anominori' can produce enough yield for commercial use without treating with plant growth regulators. The plant characteristics of 'Anominori' are the following : high plant height, long inter-node, thick stem and large leaves. The immature fruit of 'Anominori' is long egg-shaped, dark purple, glossy and dense. 'Anominori' is suitable for open field culture or semi-forcing culture in the Kanto areas and northward. Moreover, it can be force cultured in the southern part of Japan. However, further study is required to control night temperature because the total yield of 'Anominori' not treated with plant growth regulators was often less than that of some commercial cultivars, 'Senryo Nigou' or 'Chikuyo' treated with plant growth regulators.

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