...On the other hand, low temperatures, poor light, and extreme dryness during this period are considered to be inhibitors of ripening, leading to a decrease in the percentage of ripened grains and ultimately to a decrease in yield. The ripening of rice and wheat is described as being divided into four stages according to the time that passes after heading: milky ripe, yellow ripe, fully ripe, and withered (also called overripe). In the milky ripe stage, the husk and kernel surface are green because they still retain chlorophyll, and the endosperm remains a milky white liquid. ... *Some of the terminology that refers to "overripeness" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…一方,この時期の低温寡照や極端な乾燥は登熟を阻害し,登熟歩合ひいては収量の低下を招くものとして警戒されている。 イネ,ムギの登熟は,出穂後の時間的経過にしたがって乳熟,黄熟(おうじゆく),完熟および枯熟(過熟ともいう)の4段階に区分して記載されている。乳熟期のもみ殻および穀粒表面は,なお葉緑素を保持しているため緑色を呈し,胚乳は乳白色の液状にとどまっている。… ※「過熟」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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