Table of Contents

Root nitrogen acquisition and assimilation.- Phosphate acquisition.- Root-based N2-fixing symbioses: Legumes, actinorhizal plants, Parasponia sp. and cycads.- Mycorrhizas: Gene to function.- Cluster roots: A curiosity in context.- The roots of carnivorous plants.- Roles of aquaporins in root responses to irrigation.- Mechanisms of plant resistance to metal and metalloid ions and potential biotechnological applications.- The physiology, genetics and molecular biology of plant aluminum resistance and toxicity.- Acclimation to soil flooding — sensing and signal-transduction.- Root defense responses to fungal pathogens: A molecular perspective.- Soil microorganisms: An important determinant of allelopathic activity.- Facilitative root interactions in intercrops.- Root-to-shoot signalling: Assessing the roles of ‘up’ in the up and down world of long-distance signalling in planta.