Vegetative Propagation of Bucida molineti (Spiny Bucida) via Stem Cutting

Charlene Joy, Cleveland (2022) Vegetative Propagation of Bucida molineti (Spiny Bucida) via Stem Cutting. [Final Year Project Report] (Unpublished)

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Abstract

Bucida molineti belongs to Combretaceae family is an ornamental plant that is well-known for its majestic and architectural structure. It is commonly known as spiny bucida, spiny black olive and dwarf geometry tree which illustrate its unique characteristics. The aesthetic beauty of its canopy with wide-spreading branches provides more shade while the presence of small leaves that are easy to maintain makes the plant a perfect candidate for landscaping. Currently, B. molineti becoming popular as it is incorporated into building design and landscaping in Malaysia. It is considered as a small perennial and slow growing plant that usually propagated by seed and stem cutting. Yet, there is lack of study and very limited knowledge reported on propagation of B. molineti. Hence, this study was proposed to investigate the effects of various growing media and the application of commercial hormone on the vegetative propagation of B. molineti via stem cutting besides identifying the best growing medium for the growth and development of B. molineti. In this study, five different types of growing media (100% sand, 100% cocopeat,100% peat soil, 1:1 sand: cocopeat and 1:1 sand: peat soil) were used. The hardwood stem cuttings within the range of 15-20 cm length were selected and planted in the growing media. Analysis on the results clarified the application of commercial hormone affected the vegetative propagation of B. molineti via stem cutting as the increment and reduction in mean number of bud production, mean number of leave production and mean number of primary shoot production was observed in this present study. Nonetheless, practically all of the growing media produced similar responses for cuttings with no hormone treatment in weeks 3 and 6. The Various growing media applied in this study also promoted the reduction and increment the mean number of leave production, mean number of bud production, percentage of survival rate and percentage of callus production. In this study, 100% peat soil was considered as the best growing media as it shown 100% survival rate with the highest percentage of leave production, percentage of primary shoot production, percentage of layer produced per cutting and percentage of callus production in week 6. The findings of this study is crucial for early growth and development of B. molineti in the nursery. Nonetheless, further study should be done to investigate the effects of other factors in vegetative propagation of B. molineti especially in the root production

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