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Thigmotropism - Short-day plants flower during early spring...

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Thigmotropism is plant response to contact with a solid object. Tendrils of vines warp around objects, allowing the vine to grow upward. Nastic movements, such as nyctinasty , result from several types of stimuli, including light and touch. Legumes turn their leaves in response to day/night conditions. Mimosa , also known as the sensitive plant, has its leaves close up when touched. Photoperiodism is the plant response to the relative amounts of light and dark in a 24 hour period, and controls the flowering of many plants.
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Unformatted text preview: Short-day plants flower during early spring or fall, when the nights are relatively longer and the days are relatively shorter. Long-day plants flower mostly in summer, when the nights are relatively shorter and the days are relatively longer. Day-neutral plants flower without respect for the day length. Phytochrome is a plant pigment in the leaves of plants that detects the day length and generates a response....
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