Drought is the single greatest threat to world agriculture (FAO, 2008) and this is predicted to be increasingly exacerbated by the effects of global climate change. At present 11.6% (14.2 Mha) of South...
Farrant, Jill M., and Eric Ruelland. 2015. Plant Signalling Mechanisms in Response to the Environment. Environmental and Experimental Botany 114: 1–3. doi:10.1016/j.envexpbot.2015.02.006.