Seedless fruit (seedless fruit) - tanenashikajitsu

Japanese: 種なし果実(種無果実) - たねなしかじつ
Seedless fruit (seedless fruit) - tanenashikajitsu
A seedless fruit produced by parthenocarpy. Generally, fruit development proceeds in tandem with the development of the seeds, but the phenomenon in which fruit develops without the development of seeds is called parthenocarpy, and results in a seedless fruit. This indicates that although the stimulation of pollination is necessary for fruit development, the formation of seeds is not necessarily required, and examples of this can be seen in natural conditions in bananas, pineapples, satsuma mandarins, and persimmons. There are two methods for artificially producing seedless fruits: cross breeding and growth hormone treatment.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
単為結果parthenocarpyによって生じた種子のない果実。一般に果実の発育は,種子の発育と相伴って進行するものであるが,種子が発育しないのに果実のみが発育する現象を単為結果または単為結実といい,種なし果実が生ずる。果実の発育に受粉の刺激は必要であるが,必ずしも種子の形成は必要でないことを示すもので,自然状態ではバナナ,パイナップル,ウンシュウミカン,カキなどにその例がみられる。人為的に種なし果実を作りだす方法には,交雑育種によるものと生長ホルモン処理によるものとがある。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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