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![]() The higher the intensity (strength) of the light, the greater the quantity of photons emitted this is why keeping artificial light close to plant canopies indoors is so vital. When the sun is shining or there’s a light on, photons of light are pouring down like raindrops. These particles of light are called photons. The result of the lost chlorophyll molecules are the bright reds, oranges and yellows of the fall season.Īs stated, light also has the characteristics of a particle. The same phenomenon happens every fall when the leaves of deciduous trees begin to break down chlorophyll the trees then pull the energy-rich breakdown products out of the leaves before they drop for winter. Due to the lack of chlorophyll, green light isn’t reflected by leaves and yellow becomes the dominant reflected wavelength. This occurs because the unhealthy leaves don’t contain enough chlorophyll molecules. However, leaves can begin to turn yellow if plants are not healthy. The majority of the reflected light is green, so the reflected yellow light is not noticeable. Cannabis leaves absorb most forms of visible light except green and yellow. The primary wavelength of light reflected by cannabis is green, due in large part to pigments such as chlorophyll a and b in the leaves what we don’t see as reflected light is mostly absorbed by the leaves. The light that is reflected off an object hits our eyes, causing us to see that color. Light is also produced in wavelengths that are out of the visible range of our eyes, such as ultraviolet (UV) light, and this light also factors into plant processes, especially at the end of the flowering period.Īnything that has color or pigments, such as plant leaves, reflects or absorbs light. Blue light resides at the opposite end and has a shorter wavelength of 650 to 675 nm. ![]() The color red, for example, resides at one end of the visible spectrum and is the result of light with a wavelength of 620 to 750 nm. As that distance or frequency changes, so does the color of the light. The distance between the peaks of the wave is measured in nanometers (nm). Figure 1 shows the wavelengths of red and blue light. Light has the characteristics of both a wave and a particle. In this article, we will examine how this occurs and which components of light play the biggest parts. wavelength-both play an extremely significant role in photosynthesis and cannabis growth. ![]() In order to optimize the photosynthetic activity of cannabis plants, one must uderstand how the plant captures and uses light energy to create plant tissues and compounds, such as glucose (for food) and cannabinoids like THC (for us). We all know how important light is to the production of cannabis.
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