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Do flowers grow taller in the different types of light?
I dont mean like different colors of light, like red or blue or yellow. i mean like using different types, like a u.v. lamp, fluorescent lamp, or heat lamp.
also when doing this experiment at home, would it be considerably dangerous using a blacklight blue lightbulb? or would a uv-c germicidal or ozone bulbs be safer?
Yes, different light sources (types) could potentially affect how well a plant would grow. The different sources would create light in different wavelengths, and not always in those used by a plant for photosynthesis. So the "quality" of the light would affect plant growth. But maybe not in the way you'd expect, either. When plants are grown in a high-quality of light, their growth would be more compact. In dimmer, or lower quality light, the growth can actually be longer, but more "spindly", with weak stems. So in doing this experiment at home, you'd have to figure out exactly how you're going to evaluate the plant growth, because "taller" doesn't necessarily equate to "better lighting".
The blacklight bulbs sold in stores aren't true UV bulbs, they're just in the deep blue range. A true UV (such as the germicidal UVC) would be more dangerous to use, because exposure to the eyes or skin can cause mutations of cells - that's how they are used to kill bacteria. So the blacklight would be safer. If you're looking for other options, look into UVB bulbs sold for reptiles. These should be a good light source for plants. You could also use the compact fluorescent, incandescents, in "cool white" bulbs, and "daylight" or "natural sunlight" bulbs.
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