As BAP belongs to cytokinin group so it would have its
tendency towards the shoot development and thus its
influence on the shoot development of chrysanthemum
was not affected by the lower concentrations of IAA,
whereas the higher concentrations of IAA would had
affected its influence on the shoot development. Similar
results were also reported by Singh and Arora (1995)
stated that increased levels of BAP in the medium increased
the number of shoots but suppressed their growth.
An addition of IAA did not supplement the effect of BAP
on shoot morphogenesis.