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Nicotiana tobacum, a short day plant , w...

Nicotiana tobacum, a short day plant , when exposed toi more than critical period of light fails to flower .Explain.

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Short day plants are those plants that flower only when the photoperiod (exposoure to duration of light ) is below critical period . Tobacco , being a short day plant is unable to show flowering when exposed to light above than the critical period
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Nicotiana tabacum, a short plant, when exposed to more than the critical period of light fails to flower. Explain.

In short day plants flowering

Knowledge Check

  • Long day plants fail to flower by

    A
    short dark period
    B
    long light period
    C
    long continuous dark period
    D
    short day during early period of growth

  • Plants requiring exposure to light for less than the critical photoperiod for flowering are

    A
    LDP
    B
    DN
    C
    IDP
    D
    SDP

  • If a short day Plant (SDP) is exposed to Far red light in their dark period then, Flowering is :-

    A
    Induced
    B
    Inhibited
    C
    First inhibited then induced
    D
    First induced then inhibited

    • Similar Questions

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    In short day plants, flowering is inhibited by

    In short-day plants, flowering is induced by

    Flowering in some short day plants is promoted by

    Which plant will require light period more than critical length?

    Assertion : Soyabean and sugarbeet flower when they are exposed to a photoperiod shorter than critical period. Reason : Most of winter flowering plants are LDP.

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