Foliar trace

(Bot.) a particular fibrovascular bundle passing down into the stem from a leaf.

See also: Foliar

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
There were no significant differences in the foliar trace element (Fe, Mn, Cu, Zn and B) contents between different treatments (data not shown).