Az Eszterházy Károly Tanárképző Főiskola Tudományos Közleményei. 2004. Sectio Biologiae. (Acta Academiae Paedagogicae Agriensis : Nova series ; Tom. 25)

Dulai, S., Csizi, K., Sass-Gyarmati, A., Orbán, S. and Molnár, I.: Combined effects of Thylakoid Energisation Level and Water Deficit on Thermal Stability of Photosystem II in a Dessication Tolerant Moss

134 Dulai, S. et al. 90% light 98% RWC light 100% RWC light 90% RWC dark 98% RWC dark 100% RWC dark 25 IH 48 °C S-H 47.1 °C TH 45.2 °C 41.8 °C 41.5 °C 41.2 °C 30 35 40 7(°C) 45 50 55 Fig. 2 Effects of decreasing of relative water content (R WC) on the critical temperature (T

c) values of the Fo vs. T (in darkness) and of the F

s vs. T (at 100 pmol m" s~' AL intensity) curves in green segments of Homalothecium lutescens. The results are means of data from five independent measurements on different segments from different plants. T(° C) Fig. 3 Effect of decrease of relative water content (RWC) on the temperature dependence of effective quantum yield of PS II (AF/F

m

') for green segments of Homalothecium lutescens at lOOjimol m~ s

! AL intensity (100% RWC, triangles; 98% RWC, squares; 90%RWC, circles). The results are means of data from five independent measurements on different segments from different plants.