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प्रश्न
What are long-day plants (LDP)? Give two examples.
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उत्तर
- Plants that flower usually during summer are called long-day plants. They require a longer duration of light than the critical photoperiod, for flowering.
- They are called short-night plants as they require a short dark period.
- When the long dark period is interrupted by a brief flash of light, LD plants can flower e.g. pea, radish, sugar beat,
- Example: cabbage, spinach, wheat, poppy, etc.
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संबंधित प्रश्न
Which of the following is not a photosynthetic pigment?
Both a short day plant and a long day plant can flower simultaneously in a given place. Explain.
Describe the mechanism of photoperiodic induction of flowering.
The site of perception of light in plants during photoperiodism is ______
The photoperiod in plants is perceived at ______.
______ of a vegetative plants are the sites of photoperiodic perception.
Classify the following plants into Long-Day Plants (LDP), Short Day Plants (SDP) and Day Neutral Plants (DNP) Xanthium, Henbane (Hyoscyamus niger), Spinach, Rice, Strawberry, Bryophyllum, Sunflower, Tomato, Maize.
Nicotiana tabacum, a Short Day Plant, when exposed to more than critical period of light fails to flower. Explain.
Fill in the blanks:
Pigment involved in Photoperception in flowering plants is ______.
While studying flowering behaviour in ______ and ______ plant, Garner and Allard discovered photoperiodism.
