Long-Distance Signalling in Systemic Acquired Resistance.- Salicyl Acid-Induced Local and Long-Distance Signalling Models in Plants.- Long-Distance Signalling via Mobile RNAs.- Systemic Epigenetic Signalling in Plants.- Long-Distance Signals Produced by Water-Stressed Roots.- Oxygen Deficiency-Induced Root-to-Shoot Communication.- Systemic Signaling in the Maintenance of Phosphate Homeostasis.- Long-Distance Signalling of Iron Deficiency in Plants.-...