Root barriers serve as a preventive strategy, directing roots away from utility lines and reducing the risk of system failures. Strategic placement of root barriers ensures that tree health is ...

They grow special root nodules that house friendly ... and water can enter the plant's vascular system. Nodules, however, form outside this barrier—so at some point, they need to sneak nutrients ...

Scientists from the Max Planck Institute for Plant Breeding Research, the University of Cologne, and the University of Copenhagen have uncovered a hidden talent of the Casparian strip—a root structure ...