The expert recommended storing unripe persimmons with apples. Ethylene released from the fruit helps the fruit to ripen faster. Candidate of Chemical Sciences Yuri Mitnik shared this advice on the radio station "Moscow Speaks". To prevent persimmons from setting, you can try to speed up their ripening. Persimmons ripen like any top fruit. A peak fruit is one that has the ability to ripen after harvest. This ripening occurs mainly under the influence of a natural hormone - ethylene. Ethylene is released from the fruit itself. It is better to put the persimmon in a paper bag and put an ordinary apple inside. The apple is the ethylene release champion among fruits.