Efficiency of photosynthesis in continuous and pulsed light emitting diode irradiation

  title={Efficiency of photosynthesis in continuous and pulsed light emitting diode irradiation},
  author={Daniel J. Tennessen and Raymond J. Bula and Thomas D Sharkey},
  journal={Photosynthesis Research},
The light utilization efficiency and relative photon requirement of photosynthesis in pulsed and continuous light from light emitting diodes (LEDs) has been measured. First, we chacterized the photon requirement of photosynthesis from light of LEDs that differ in spectral quality. A photon requirement of 10.3±0.4 was measured using light from a 658 nm peak wavelength (22 nm half band width) LED over the range of 0–50 μmol photons m−2 s−1 in 2 kPa O2 in leaves of tomato (Lycopersicon esculentum… CONTINUE READING


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