Which phytohormoes is synthesised in ripened fruits?

Fruit vendor use carbide for ripening of fruits. But it is a dangerous practice. What hormone, is used for ripening of fruits under natural conditions?

Which plant hormone causes fruit ripening?

Which hormone is present is high amount in a ripen fruit?

Name the phytohormone that promotes ripening of fruits ?

Which hormone is responsible for fruit ripening:

Which hormone is responsble for fruit ripening:

Which plant hormone is released from an injured or over tip fruit which brings ripening of other fruits ?