The effects of ultraviolet-B radiation on higher plants

Introduction 2 Light sources for the study of UV-B effects 3 The solar spectrum 3 Artificial visible light/UV-B sources 4 Sunlight with supplemental UV-B 5 Full spectrum simulated solar radiation 6 Biologically effective UV-B 7 Detrimental effects of UV-B on plants 8 Photochemical processes relevant to UV-B effects 9 Sensitivity of the photosynthetic apparatus to UV-B 10 Damage to the plasma membrane, proteins, and DNA 13 Changes in plant morphology 14 Photoinduced toxicity of xenobiotics 14 Acclimation of plants to UV-B 15 Measures of protection 15 Alteration of leaf transmittance properties 16 Leaf morphology 16 Changes in leaf shape 16 Epidermal flavonoids 17 DNA repair 19 Free radical and active oxygen detoxification 19 UV-B photomorphogenic photoreceptors 20 Summary 22 Acknowledgments 23 References 23