caa a22 4500 463159659 CHVBK 20180406164743.0 cr unu---uuuuu 170326e20070301xx s 000 0 eng 10.1007/s10535-007-0038-4 doi (NATIONALLICENCE)springer-10.1007/s10535-007-0038-4 Influence of UV-B radiation on young triticale plants with different wax cover [Elektronische Daten] [E. Skórska, W. Szwarc] Ultraviolet-B radiation (biologically effective dose 2.6 kJ m−2 d−1) had negative influence on morphology and physiology of the young triticale plants. Plants exposed to UV-B were of lower height than control plants, their leaves were narrow, and the rate of net photosynthesis was decreased. The line RAH 336, which wax cover is lesser than that of traditional cultivar Magnat, was more susceptible to UV-B radiation, considering primary photosynthesis reactions, recorded by chlorophyll a fluorescence. An activation of protective mechanisms was observed: plants responded to UV-B by an increase of the content of UV-B absorbing compounds, and changes of antioxidant enzyme activities. Institute of Experimental Botany, ASCR, 2007 antioxidant enzymes nationallicence catalase nationallicence chlorophyll fluorescence nationallicence net photosynthetic rate nationallicence peroxidase nationallicence Triticosecale nationallicence Chl : chlorophyll nationallicence E : transpiration rate nationallicence F0, Fm, Fv : initial, maximum, and variable fluorescence (Fv = Fm − F0) nationallicence PAR : photosynthetically active radiation (400-700 nm) nationallicence PN : net photosynthesis rate nationallicence PPFD : photosynthetic photon flux density nationallicence PS 2 : photosystem 2 nationallicence Rfd : vitality index nationallicence UV-B : ultraviolet B radiation in the range of 280-320 nm nationallicence UV-BBE : biologically effective dose of UV-B radiation nationallicence ΦPS2 : quantum yield of PS 2 nationallicence Skórska E. Department of Physics, Agricultural University of Szczecin, Papieża Pawła VI 3, PL-71459, Szczecin, Poland aut Szwarc W. Department of Physics, Agricultural University of Szczecin, Papieża Pawła VI 3, PL-71459, Szczecin, Poland aut Biologia Plantarum Springer Netherlands 51/1(2007-03-01), 189-192 0006-3134 51:1<189 2007 51 10535 https://doi.org/10.1007/s10535-007-0038-4 text/html Onlinezugriff via DOI 1 brief-communication jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10535-007-0038-4 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Skórska E. Department of Physics, Agricultural University of Szczecin, Papieża Pawła VI 3, PL-71459, Szczecin, Poland aut NATIONALLICENCE 700 1- Szwarc W. Department of Physics, Agricultural University of Szczecin, Papieża Pawła VI 3, PL-71459, Szczecin, Poland aut NATIONALLICENCE 773 0- Biologia Plantarum Springer Netherlands 51/1(2007-03-01), 189-192 0006-3134 51:1<189 2007 51 10535 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer