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The effect of temperature and light (PAR) on the induction of Chla fluorescence in situ. 2. Diurnal changes in stinging nettle (Urtica dioica) and red currant (Ribes spp.)
(Institute of Botany and Botanical Garden Jevremovac, 2013)
The phenomenon of a midday decrease in quantum and all other efficiencies of photosynthesis has been acknowledged. Quantum efficiency of PSII in nettle is known to be lower at midday than in the morning or evening. On other ...