Enhanced Inflorescence Development in Bougainvillea “San Diego Red” by Removal of Young Leaves and Cytokinin Treatments | Zendy

Anthony T. Y. Tse | Zendy; A. Ramina | Zendy; Wesley P. Hackett | Zendy; Roy M. Sachs | Zendy

Open Access

Enhanced Inflorescence Development in Bougainvillea “San Diego Red” by Removal of Young Leaves and Cytokinin Treatments

Author(s) -

Anthony T. Y. Tse,

A. Ramina,

Wesley P. Hackett,

Roy M. Sachs

Publication year - 1974

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.54.3.404

Subject(s) - inflorescence , cytokinin , biology , botany , shoot , horticulture , auxin , biochemistry , gene

Removal of young leaves and application of the cytokinin, N-benzyla-alpha-(tetrahydro-2H-pyran-2yl)-adenine promote inflorescence development in Bougainvillea "San Diego Red". Defoliation greatly increased the amount of assimilate accumulated at the shoot tip 1 to 2 days after treatment. Cytokinin applications further increased the amount accumulated and this increase was apparent 4 days before morphological changes could be detected at the inflorescence axes. Short days promoted inflorescence development and also increased assimilate accumulation at the reproductive axes; thus, it is suggested that the role of short day induction in bougainvillea may be that of redirecting the flow of assimilates, perhaps by its influence on cytokinin synthesis and distribution.

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