![]() ![]() ![]() The best color spectrum also depends on the type of plant you are trying to grow. Another benefit of far red light is that plants exposed to this wavelength tend to produce larger leaves than those not exposed to light in this spectrum.īest Color Spectrum Depends on Your GoalsĪs plants mature and go through their growth cycle from seedling, to adult, and then flowering and fruiting they use different color spectrums so the ideal LED light is different for each stage of growth. In addition, exposure to IR light reduces the time a plant needs to flower. Far Red Light (720 – 740 nm) also passes through dense upper canopies to support the growth of leaves located lower on the plants.Green Light (500 – 600 nm) penetrates through thick top canopies to support the leaves in the lower canopy.Light in the blue range also affects the chlorophyll content present in the plant as well as leaf thickness. Blue Light (400 -520 nm) needs to be carefully mixed with light in other spectra since overexposure to light in this wavelength may stunt the growth of certain plant species. ![]() This wavelength also regulates flowering, dormancy periods, and seed germination. Red Light (630 -660 nm) is essential for the growth of stems, as well as the expansion of leaves.NASA has done extensive work on the light used by plants and they have determined the following. It is true that blue and red are important and represent most of the light used by plants, but other colors, including green and yellow are also used for photosynthesis. ![]()
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