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प्रश्न
What is short day plant? Give any two examples.
उत्तर
1. Critical photoperiod is the length of photoperiod above or below which flowering occurs. Short Day Plants usually flower during winter and late summer when day length is shorter than the critical photoperiod.
2. These are called long night plants because they require long uninterrupted dark period/ night for flowering.
3. If the dark period is interrupted even by a flash of light, SDP will not flower.
4. Some of the short-day plants are Dahlia, Tobacco, Chrysanthemum, Soybean (Glycine max), Cocklebur (Xanthium), cotton, etc.
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संबंधित प्रश्न
Which of the following is not a photosynthetic pigment?
What do you understand by photoperiodism and vernalisation? Describe their significance
Long Answer Question:
Describe the types of plants on the basis of photoperiod required, with the help of suitable examples.
Describe the mechanism of photoperiodic induction of flowering.
In short-day plants (SDP), flowering is induced by ______.
The site of perception of light in plants during photoperiodism is ______
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 ______.
What are long-day plants (LDP)? Give two examples.
