Which Synchronising Fruit Set in Pineapple?

Ethylene is used to initiate flowering and for synchorinising fruit set in pineapples.

Which one of the following is used to initiate flowering and synchronising fruit set in pineapple?

Ethylene is used to initiate flowering and for synchronising fruit-set in pineapples.

What hormone initiates pineapple flowering?

Ethylene, a gaseous plant hormone, is solely responsible for the initiation of reproductive development in pineapple.