Acta Phytopathologica et Entomoligica 30. (1995)

1-2. szám

Contents Salt stress in Plantago. The role of membranes, channels and pumps H. B. A. Prins................................................................................................................................. 5 Role of PPi and H*-PPiase in maintaining vacuolar proton gradient in metabolic inhibitor-treated cells A. Vianello, M. Zancani, E. Pelrussa, P. Dell'Anioné and F. Maori............................................ 15 Effect of salinity in the early stages of tomato fruit growth C. Vespasiani, C. Arias and E. Taleisnik....................................................................................... 21 Adaptive responses of plants under stress conditions L. Erdei, Anikó Pestenácz, Katalin Barabás and Zs. Szegletes..................................................... 27 Role of antioxidant systems and juvenility in tolerance of plants to diseases and abiotic stresses B. Barna, A. L. Ádám, G. Gullner and Z. Király............................................................................ 39 Ultraviolet-B radiation induced damage to the function and structure of photosystem II I. Vass, Cornelia Spetea, Éva Hideg, R. Barbato and V. Petrouleas............................................ 47 EPR spectroscopy detection of active oxygen and free radicals in thylakoids exposed to photo­inhibition Éva Hideg, Cornelia Spetea and J. Vass........................................................................................ 51 Wheat as an ozone sensitive crop G. Soja and Anna-Maria Soja........................................................................................................ 59 Photoinhibition in CO,-depleted green algae, Chlamydobotrys stellata and Chlamydomonas reinhardtii S. Demeter, T. Janda and L. Kovács.............................................................................................. 71 Lipoxygenase activity of plasmalemma and its relation to plant cell senescence and stress response F. Maori, E. Braidot, E. Petrussa and A. Vianello......................................................................... 81 The role of lipid desaturation in protection mechanism against temperature stresses Z. Gombos, Éva Hideg, О. Zsíros, Hajime Wada and Norio Murata........................................... 89 Effects of nitrite and nitrate on potassium uptake of rice and wheat seedlings at different pH values F. Zsoldos, A. Vashegyi, A. Pécsváradi, E. Haunold and P. Herger............................................ 93 Effect of nitrite and nitrate nutrition on ethylene production by wheat seedlings Irma Tari and L. Szén..................................................................................................................... 99 The influence of enriched root-zone CO, concentrations on growth, nitrogen metabolism and root HCO; incorporation in salinity stressed Lycopersicon esculentum M. D. Cramer and S. H. Lips......................................................................................................... 105 MAGVA» TyCrOMÁMYOS AKADÉMIA Könyvtár;. 315900

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