Photoperiodism was first studied by

  • A
    Garner and Allard
  • B
    Darwin
  • C
    $FW$ Went
  • D
    Cousins

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$A$ short-day plant was exposed to alternating red-far red light treatments. What would happen if the last treatment was of far-red light?

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$A$ long-day plant will show flowering when the critical photoperiod duration is as follows:
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