Studies on gibberellin-induced stem formation in rosette plants (Sachs et al., 1959) have shown that a zone of intensive meristematic activity, arising below the existing apical meristem, is almost ...

The growth responses and anatomy of the root-hypocotyl axis of Zinnia elegans to eight concentrations of Alar were determined. Concentrations over 500 ppm Alar resulted in a browning and constriction ...