Drought tolerance in crops: physiology to genomics / Lakshmi Praba Manavalan and Henry T. Nguyen -- Reactive oxygen species and oxidative stress in plants / Vadim Demidchik -- Salinity stress: physiological constraints and adaptive mechanisms / Sergey Shabala and Rana Munns -- Chilling stress / Eric Ruelland and Sylvie Collin -- Heat stress / Anthony E. Hall -- Frost tolerance in plants / Lawrence V. Gusta and Michael Wisniewski -- Flooding tolerance in plants / Chiara Pucciariello and Pierdomenico Perata -- Plant adaptations to aluminium toxicity / Peter R. Ryan and Emmanuel Delhaize -- Soil pH extremes / Andre Leauchli and Stephen R. Grattan -- Heavy metal toxicity in plants / Philip J. White -- Desiccation tolerance / Jill M. Farrant, Keren Cooper, and Hanlie Nell -- UV-B radiation: from stressor to regulatory signal / Marcel A.K. Jansen -- Biotic stress signalling: calcium mediated pathogen defence programs / Yi Ma and Gerald A. Berkowitz.