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Annuals and Perennials

Value based q...

Question

Value based questions.
Short day plants are called long night plants.

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Solution

Short day plants are also called long night plants because these plants require short days but long nights to be able to flower properly. The nights must be long and uninterrupted for them to flower. Such a dependency on the length of the day is called photoperiodism.

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Q. The statement has often been made that the long-day and short-day flowering plants should be more correctly called short-night and long-night flowering plants: Why?

Q. In short day plants, the dark period is critical and so it must be continuous for a certain period. These plants are also called as long night plants. In long day plants, the light period is critical, so it must be continuous for certain duration. These plants are also called as short night plants.

Q. Value based questions.
If a short-day plant is grown under conditions of long nights and short days and the dark period is interrupted in the middle by a brief exposure to red light, will the plant flower?

Q. Write any two important difference between short day plants and long day plants.

Q. Very short answer type.
Why are day neutral plants called intermediate plants?

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