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  4. It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

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Q. It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

Plant Growth and Development

Solution:

Auxin and ethylene can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield.
Auxin induces flowering in plants and ethylene helps to synchronise flower and fruit growth in plant. Hence, this combination can be applied.