Table of Contents
What is the rate of photosynthesis in blue light?
The higher rate of photosynthesis at 238 μmol m−1 s−1 in plants grown at blue LEDs indicated that lettuce plants displayed pronounced acclimation of photosystems for CO2 fixation than plants grown under red and green LEDs.
Is photosynthesis faster in red or green light?
Application of this method to sunflower leaves clearly showed that, in moderate to strong white light, green light drove photosynthesis more effectively than red light.
Why is the rate of photosynthesis faster for blue and red light as compared to green?
Hypothesis: The lights higher on the light spectrum, like blue, would have the fastest rate of photosynthesis because the energy is the highest. The green light would have the slowest rate because the chlorophyll inside of the leaves reflects green light, so it would not be absorbed as much as the other colors.
Does blue and red light increase rate of photosynthesis?
When red and blue light intensity was increased, photosynthesis rate, stoma limit value and transpiration rate of the two ecotypes of Leymus chinensis were all increased. But when light intensity reaches light saturation, photosynthesis rate does not increases but decreases.
Why are blue and red best for photosynthesis?
The wavelength of blue light is 475 nanometers while the wavelength of red is 650 nanometers. BLUE light carries a higher energy signature then RED light does and that higher energy with a shorter wavelength should provide the plants with a better environment for growth.
Why is red the best color for photosynthesis?
Red light is more effective in photosynthesis because both the photosystems (PS I and PS II) absorb light of wavelengths in the red region (680 and 700 nm, respectively). Since maximum absorption by chlorophyll occurs in red light, it is the most effective wavelength for photosynthesis.
How does red light affect the rate of photosynthesis?
The primary reasons why LED fixtures emit a lot of red are 1) red LEDs are among the most efficient at converting electricity into photosynthetic photons, 2) chlorophyll strongly absorbs red light, thus it is effective at photosynthesis, and 3) red LEDs are relatively inexpensive.