The fruit of Western Pear (Pyrus communis L.) can produce a great deal endogenous ethylene only after harvested and start the ripening of the fruit.

西洋梨果实只有在采收后才能大量产生内源乙烯，启动果实的完全成熟，因而后熟是西洋梨生产过程中的一个关键环节。

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Fruit flavor, much of it associated with the skin, increases during ripening, but not after harvest.

蓝莓的果香大部份来自蓝莓的外皮，采收以后果香不会再增加。

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Complete ripening for the sugar, tannins and skins was only achieved 125 days after flowering - a vegetative cycle longer than usual in a year with 13 lunar cycles.

今年在葡萄树开花后，经过125天的等待，葡萄中的糖份、丹宁和葡萄皮才达到理想的成熟度。因为这年有13个满月，因此植物生长周期比正常情况来的长。

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The American apple industry plunged into utter disarray in 1989 after a 60 Minutes segment alleged cancer risks from Alar, a chemical used to synchronize the ripening of fruit on apple trees.

FORBES: Fear-Mongering, Junk Science And NRDC