Question
One set of the plants was grown at 12 hours light and 12 hours dark period cycles and it flowered. Another set of plants were treated with dark phase interrupted by flash of light and it did not flower. Under which one of the following categories will you place the second set of plants?
One set of the plants was grown at 12 hours light and 12 hours dark period cycles and it flowered. Another set of plants were treated with dark phase interrupted by flash of light and it did not flower. Under which one of the following categories will you place the second set of plants?
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Solution
The correct option is D Short day
Short day plants are actually long night plants. The short day plants will not flower when the duration of light period is above the critical photoperiod. When night phase was interrupted by flash of light, it did not produce flower. So, the set of plants would be short day plants.
Short day plants are actually long night plants. The short day plants will not flower when the duration of light period is above the critical photoperiod. When night phase was interrupted by flash of light, it did not produce flower. So, the set of plants would be short day plants.
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