
High irradiance induces photoprotective mechanisms and a positive effect on NH4+ stress in Pisum sativum L.
Keywords: A, antheraxanthin; Chl, chlorophyll; HI, high irradiance; LI, low irradiance; PPFD, photosynthetic photon flux density; ROS, reactive oxygen species; SLW, specific leaf weight; SOD, superoxide dismutase; S.E., standard error; V, violaxanthin; Z, zeaxanthi