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Maryland mammoth tobacco is a short day plant. Its critical duration of darkness is 10 hours. Under which of the following conditions will it not flower?
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A short day plant is the one that flowers on photoperiods shorter than the critical day length. As the critical duration of darkness in the Maryland mammoth tobacco is 10 hours i.e., it requires a minimum period of darkness of 10 hours to flower. Thus under the conditions shown in option (a), the plant will not flower.
So the correct option is 'A'
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| Question Text | Maryland mammoth tobacco is a short day plant. Its critical duration of darkness is 10 hours. Under which of the following conditions will it not flower? |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
