obsolete growth or development of symbiont on or near host rhizosphere (obsolete GO:0075014)
OBSOLETE. The increase in size or mass of symbiont, or the progression of the symbiont from an initial condition to a later condition, occurring on or near its host rhizosphere. The host rhizosphere is defined as total below-ground surfaces of a plant as a habitat for its symbiont. The host is defined as the larger of the organisms involved in a symbiotic interaction.
growth or development of symbiont on or near host rhizosphere
exact