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?

1. A. Cytokinin and Abscisic acid
2. B. Auxin and Ethylene
3. C. Gibberellin and Cytokinin
4. D. Gibberellin and Abscisic acid

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