Sitawati, Euis Elih Nurlaelih, dan Miskah Daraini
Lisianthus (Eustoma grandiflorum Raf.) is an ornamental plant with a remarkable bloom, long stems, and an extended vase life that is mainly cultivated for sale as cut flowers. Nowadays in Indonesia, production of lisianthus is feasible but in small scale. Plant spacing is one of the factor that could affect the growth of lisianthus. In the one stalk of lisianthus could produce 2-3 flowers. Particular treatment can increase the number of flowers per branch by Pinching frequence. This research aimed to study the interaction between plant spacing and pinching frequence, to know suitable plant spacing for Lisianthus, and the effect of pinching frequency (Single pinching and Double pinching). This research was conducted at Sidomulyo village, Batu from February 2017 until May 2017, with an altitude of approximately 800 m asl and daily mean temperature 15-25 °C. The experiment was using Factorial Randomized Block Design (FRBD) with 2 factors and 3 replications. The results of this research showed that plant spacing with pinching treatment had a significant effect to increase the growth of lisianthus better than without pinching. Plant spacing 10 cm x 10 cm (J1) is the best spacing treatment to be applied, due to it could provide high quality of lisianthus flowers that met to grade A. The best pinching frequency was double pinching (P2) because it had the optimum flowering. © 2017 author (s).
Department of Agronomy, Faculty of Agriculture, Brawijaya University, Jl Veteran, Malang, 65145, Indonesia
