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Feb 9, 2024 · In plants, flowering and growth are often regulated by photoperiod, and the photoperiodic flowering pathway is well understood. By contrast, much less is known about how photoperiod regulates growth, including the measurement system and genes that are required.
The length of the light period over 24 h, also named photoperiod, regulates many aspects of plant growth. For example, trees stop growing when days shorten in autumn foreseeing the arrival of cold winter. There are more examples of developmental traits regulated by changes in photoperiod, some discussed in this review.
The sun rises earlier in the late spring compared to the early spring (photoperiod increases in late spring). As time passes and the plant detects the changing photoperiod (technically, plants measure the length of the night rather than daylength; see above), the circadian clock would adjust such that its flowers opened earlier.
Jan 24, 2022 · Short-day-grown plants flower when the photoperiod is shorter than the CDL, while long-day plants flower only, when the photoperiod is longer than the CDL. Day-neutral plants do not respond to the photoperiod (Jackson, 2009). Besides the CDL, the plant developmental phase determines the ability to sense and subsequently respond to photoperiods.
Photoperiodism is the physiological reaction of organisms to the length of light or a dark period. It occurs in plants and animals. Plant photoperiodism can also be defined as the developmental responses of plants to the relative lengths of light and dark periods. They are classified under three groups according to the photoperiods: short-day ...
photoperiodism, the functional or behavioral response of an organism to changes of duration in daily, seasonal, or yearly cycles of light and darkness. Photoperiodic reactions can be reasonably predicted, but temperature, nutrition, and other environmental factors also modify an organism’s response. In animals, the regular activities of ...
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Nov 1, 2006 · Plants that have this self-amplification mechanism of FT transcription could explain observations from classical grafting experiments (e.g. a Perilla crispa leaf that had been treated once with floral inductive photoperiod could continuously induce flowering in multiple grafts; in Xanthium, non-induced leaves from a stock induced to flower by grafting floral-induced leaves could initiate ...
