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Plant Growth and Development question

2010 · Q12
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Plant Growth and Development question

2010 · Q12

NEETBiologyPlant Growth and DevelopmentMCQ+4 / −1
Photoperiodism was first characterised in
  1. A
    tobacco
  2. B
    potato
  3. C
    tomato
  4. D
    cotton.
View written solutionFree

Correct answer: 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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