Photoperiodism was first characterised in :
Correct answer: A. Tobacco
- A. Tobacco
- B. Potato
- C. Tomato
- D. Cotton
Explanation
(a) : Photoperiodism is the response to duration and timings of light and dark period. It was first studied by W.W. Garner and H.A. Allard (1920) in tobacco. They observed that Maryland Mammoth variety of tobacco could be made to flower in Summer by reducing the light hours with artificial darkening.
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