...a seedless fruit produced by parthenocarpy. Generally, fruit development proceeds in tandem with the development of the seeds, but the phenomenon in which only the fruit develops without the seeds is called parthenocarpy, and results in a seedless fruit. From 【Fruit】... There is a close relationship between fruit formation and seed formation. If seeds do not form, the ovary will not grow large and will fall off. However, it is known that fruit, or seedless fruit, can form even if seeds do not form, in bananas, satsuma mandarins, persimmons, and other plants, and this phenomenon is called parthenocarpy. There are various causes of seedless fruit, including no pollination, pollination but no fertilization, and pollination and fertilization but underdeveloped ovules. *Some of the terminology explanations that mention "parthenocarpy" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…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。… 【実】より… 実ができることと種子が形成されることとは密接な関係があり,種子ができないと子房が大きくならなかったり,落ちてしまう。しかし種子ができなくても実つまり種なし果実ができることは,バナナ,ウンシュウミカン,カキなどで知られ,この現象を単為結果parthenocarpyという。種なし果実の成因はさまざまで,受粉しない場合,受粉はするが受精しない場合,受粉も受精もするが胚珠が発育不良となる場合がある。… ※「parthenocarpy」について言及している用語解説の一部を掲載しています。 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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