Fase Perkembangan Bunga dan Kandungan Gula Endogen pada Pembungaan Hoya diversifolia Blume.

Abstract

Hoya diversifolia Blume (Asclepiadaceae) is one of Indonesian’s native plants that has potential to be developed
as ornamental plant. The short flowering period in one year, however, is a big problem in developing Hoya as an
ornamental plant. The objective of this research was to determine the flower developmental phases and to study the
correlation of endogenous sugar content with floral induction of H. diversifolia Bl. Morphological and anatomical
observations showed that floral development of H. diversifolia Bl. consisted of 6 phases i.e. induction, early initiation,
late initiation, differentiation, flower maturity, and anthesis. Total sugars and sucrose content were not significantly
different between inductive and non-inductive buds, while the amount of reducing sugar were significantly higher in the
inductive buds (7.40 mg g-1 fresh weight) compared to non-inductive buds (4.14 mg g-1 fresh weight).

Key words: Asclepiadaceae, flowering plant, Indonesian native ornamental plant