Regulation of Floral Initiation and Development in an Orchid Hybrid Aranda Deborah

Publisher Website
Google Scholar
Abstract
The effects of growth regulators on floral initiation and development in a monopodial orchid hybrid. Aranda deborah, were studied. Auxin, gibberellic acid and abscisic acid did not stimulate any floral initiation. Auxin antagonists and growth retardants stimulated floral initiation but many of the initiated buds did not continue to develop to maturity. Cytokinin (6-benzylaminopurine) stimulated not only bud initiation but also floral development to maturity. A distinction was made between the process of floral initiation and floral development. It was suggested that both these processes were regulated by the correlative apical dominance effect.