PLANTS
PLANT REPRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What can be used to promote off-season flowering in long-day plants?
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Close blinds at the end of the night to delay the start of the light period
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Interrupt the day with a period of darkness.
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Extend the cycle of light and dark to more than 24 hours.
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Turn on the lights during the night for a brief period.
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Explanation:
Detailed explanation-1: -What can be used to promote off-season flowering in long-day plants? Interrupt the day with a period of darkness. Extend the cycle of light and dark to more than 24 hours. Turn on the lights during the night for a brief period.
Detailed explanation-2: -One of the components of florigen is the hormone gibberellin that induces the action of florigen and thereby induces flowering in long day plants. The process is normally dependent on exposure to low temperature or long days.
Detailed explanation-3: -The response of a plant to the changing relative length of the day and night is called phototropism.
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