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Question
The plant which requires an exposure to light for a period greater than critical day length is
The plant which requires an exposure to light for a period greater than critical day length is
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Solution
The correct option is A Long day plants
The effect of photoperiods or daily duration of light hours (and dark periods) on the growth and development of plants, especially flowering, is called photoperiodism. Photoperiodism was first studied by Gamer and Allard (1920) in 'Maryland mammoth' a variety of Tobacco.Long Day Plants (LDPs) flower when they receive long photoperiods or light hours which are above a critical length, e.g., henbane (Hyoscyamus Nget), wheat oat sugar beet, spinach (Spinacia oleracea), radish, barley, larkspur, lettuce.So the correct answer is 'long day plants'.
The effect of photoperiods or daily duration of light hours (and dark periods) on the growth and development of plants, especially flowering, is called photoperiodism. Photoperiodism was first studied by Gamer and Allard (1920) in 'Maryland mammoth' a variety of Tobacco.
Long Day Plants (LDPs) flower when they receive long photoperiods or light hours which are above a critical length, e.g., henbane (Hyoscyamus Nget), wheat oat sugar beet, spinach (Spinacia oleracea), radish, barley, larkspur, lettuce.
So the correct answer is 'long day plants'.
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