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The pineapple which under natural conditions is difficult to blossom has been made to produce fruits throughout the year by application of
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- IAA, IBA
- NAA, 2, 4-D
- Phenyl acetic acid
- Cytokinin
Correct Option: B
Plants which are difficult to flower can be made to do so by spraying them with 2, 4, –D (2, 4 – dichlorophenoxy acetic acid) and NAA (napthalene acetic acid) which are synthetic auxins, e.g., litchi, pineapple.
