The long-held notion that the sporophyte shoot is homologous with the seta of mosses has been questioned, but no alternative evolutionary model has hitherto been proposed. Ligrone et al. explore the origin of the...
Growth regulators and germination of recalcitrant seeds There is relatively little information avialable regarding the role of plant growth regulators in the germination of recalcitrant seeds. Pieruzzi et al. determine...