Journal of Experimental Botany, Vol. 55, No. 408 (December 2004), pp. 2483-2493 (11 pages) Expression of plant metallothionein genes has been reported in a variety of senescing tissues, such as leaves ...

Observations were made on the reduction zones in stem tissues of vascular plants. Apical meristems of terminal and lateral buds of deciduous trees were reducing zones for tetrazolium. Lateral ...