Plant Growth and Development

Question

Fruit ripening is promoted by the hormone that also

  • promotes thinning of fruits in cherry and walnut

  • induce parthenocarpy in tomato

  • promote flowering in lemma

  • induce dormancy

Answer

A.

promotes thinning of fruits in cherry and walnut

Ethylene is the hormone that promotes fruit ripening. It also promoted thinning of fruits in cherry, cotton and walnut. It is a gaseous hormones, i.e. a gas that forms through the breakdown of methionine, which is in all cells. It is produced at a faster rate in rapidly growing and dividing cells, especially in darkness.

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