Sitawati, A.N. Ni’mah
The quality of pot chrysanthemums is determined by plant height and flower diameter. To improve the quality of chrysanthemum pot, the application of daminozide and disbudding (removing the bud of new flowers) was used. Daminozide applications with inaccurate concentrations and incorrect timing of disbudding could make the chrysanthemums were not meet the quality standards. The right daminozide doses concentration level and proper time of disbudding will increase the quality chrysanthemum pot. This research aimed to study the interaction between daminozide concentration and disbudding applications on the quality chrysanthemum pot. The research was conducted from January until April 2017 and located in Tutur Village, Sub-district Pasuruan, and East Java on altitude 900 meter above sea level (m.a.s.l.). Temperature in daily average was 24oC. This research was using factorial randomized block design. The first factor is daminozide concentration and the second factor is disbudding periods. Chrysanthemum seeds were using Time Jewel variety. Observation parameters consist of plant height, time of initiation, colouring, and harvest, flower diameter, and vase life. The results of research showed that daminozide concentration and disbudding periods were not significantly affect on parameter initiation, coloring, harvest, and flower diameter, but significantly affect on vase life. The daminozide concentration 8000 ppm and disbudding 7 days after initiation has freshness of 7 days longer than without disbudding. Daminozide concentration 8000 ppm was having faster initiation time than plants untreated with daminozide application. Disbudding 7 days after initiation performed coloring and harvest age 1 week faster, with flower diameter 5 cm higher than control. © 2017 author (s).
Department of Agronomy, Faculty of Agriculture, Brawijaya University Jl, Veteran, Malang, 65145, Indonesia
