Perkembangan Pembungaan Lengkeng (Dimocarpus longan Lour) ‘Diamond river’

Abstract

Diamond river’ is an introduction plant that cultivated in Indonesian. Development of Longan flower divided into eight stadiums during 28 days. First and second stadium is the induction phase that lasts for 8 days characterized by change in color of leaves become older by using Munsell color charts for plant tissues with scale in interval 7.5 GY (4/4) to GY 7.5 (3\2). Third stadium is the phase of flower initiation occurred by day eight. Initiation stage appearance was showed by merristem axilar, which will form part of primordial flower. Fourth to seventh stadium are differentiation phase that occurred on day 12 to day 24. Differentiation phase showed the development in suitable with the typical angiosperms are sepals, stamens, petals and pistils. Eighth stadium is the phase of anthesis occurred on day 28. In the phase of anthesis, flowers have undergone a process of pollination and fertilization.