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Photoperiodism

The response (e.g., flowering, germination) of organisms to the relative length of daily periods of light and darkness.

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photoperiodism
Weather; Meteorology

Response of an organism to the relative duration of dark and light periods. In plants, photoperiodism may affect flower or seed development, vegetative growth, formation of bulbs ...

photoperiod
Weather; Meteorology

Day length or duration of daily exposure to light and dark periods, either natural or artificially manipulated.

photoperiodism
Biotechnology; Genetic engineering

The response of an organism to changes in day length.

photoperiod
Biotechnology; Genetic engineering

The length of day or period of daily illumination provided or required by plants for reaching the reproductive stage.

photoperiodism
Biology; General

The ability of certain plants to sense the relative amounts of light and dark in a 24-hour period; controls the onset of flowering in many plants.

photoperiodism
Agriculture; Rice science

The response (e.g., flowering, germination) of organisms to the relative length of daily periods of light and darkness.

watershed
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A marked deterioration in the hydrological behavior of a river system which reduces the potential of land and water by causing a water flow of inferior quality, quantity and ...

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Agriculture; Rice science

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