How Does Colored Light Affect the Growth & Development of Flowering Plants?
Plants require light to grow and develop and for photosynthesis to occur. But not every part of the light spectrum is the same to plants, which react differently to different colors of the light. Red and blue light have the most effect on plant growth. Does this Spark an idea?
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Green Light
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Most plants reflect green light, which is the reason we see them as green. Plants absorb very little green, so it has minimal effect on them.
Blue Light
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Blue light affects the amount of water a plant retains. It encourages leafy growth and is especially valuable for starting seedlings.
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Red Light
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Red induces seed germination, budding and flowering by triggering the release of hormones. Plants require a combination of red with blue light to grow after germination.
Fluorescent Light
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Regular fluorescent lights which contain a lot of blue light can help plants develop indoors. Fluorescent grow lights, which attempt to reproduce natural sunlight, cost more without being more effective.
Incandescent Lights
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Incandescent bulbs, high in red light, produce too much heat relative to light and have less value in encouraging plant growth indoors.
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