"Foolish Seedling" disease of rice led to the discovery of:

IAA

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ABA

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2, 4-D

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Solution

The correct option is B
GA

The effect of gibberellins had been known in Japan since early 1800 where certain rice plants were found to suffer from the bakanae (foolish seedling) disease. Such rice plants were thin, pale green, spindle-shaped, longer by 50% than the healthy plants, and were sterile.

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"Foolish Seedling" disease of rice led to the discovery of:

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