Assertion: nodule's concentration | /r/CapableOf | occur near emerging root hair zone
Facets:
Source sentences:
text: Flavonoids are released in their greatest amounts near root tips (Hartwig et al. 1990; Graham 1991), and optimal concentrations occur near the emerging root hair zone, which is most favorable site for rhizobium infection (Zuanazzi et al. 1998).