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Rodent tuber (Typhonium flagelliforme (Lodd) Blume) is one of the medicinal plants used for anticancer treatment, but the information on the cultivation of the plant is limited. The objectives of this research was to study the effect of light intensity and concentration level of paclobutrazol on growth and yield of rodent tuber. This research was conducted at Puspiptek Serpong, Tangerang Selatan, Indonesia. This experiment arranged in a split plot design with three replications. The main plot is light intensity (35, 55, and 100%). The sub plot is concentration level of paclobutrazol (0, 50, 100, and 150 ppm). Paclobutrazol applied as soil drench at one month after planting. In each application 500 ml solution was used. Variables observed consisted of plant height, number of leaves, leaf length, leaf width, leaf and tuber fresh weight; and leaf and tuber dry weight. Data were analyzed using analysis of variance and Duncan Multiple Range test at 5%. The result showed that interaction between light intensity and paclobutrazol affected the whole observed variable. Dry weight of tuber under 35% light intensity was lower than those in other light intensity for all treatments of paclobutrazol. Full sunlight intensity showed better dry weight in all treatments of paclobutrazol. However the dry weight decreasing significantly at 150 ppm paclobutrazol, but still higher than those in 35% light intensity. Therefore, rodent tuber is better cultivated under full sunlight and 55% light intensity with 100 ppm paclobutrazol. INTRODUCTION Cancer has become one of the deadliest disease in the world. Rodent tuber (Typhonium flagelliforme (Lodd) Blume) is one of traditional medicine used to combat cancer. Some research showed that rodent tuber extract has cytotoxic effect to cervix cancer cell (HeLa cells) (Da’i et al. 2007) and breast cancer cell (Putra et al. 2011). Rodent tuber is also used for cough and asthma (Zhong et al. 2001). Every part of the rodent tuber, such as leaves, stem, tuber or root contains anticancer metabolites (Choo et al. 2011). Bioactive compounds in rodent tuber are flavonoid (Yunahara et al. 2012), alkaloid (Nobakht et al. 2010), sterol (Lai et al. 2010), saponin (Syahid 2008), cerebroside and glycoside (Huang et al. 2004). Author

jurnal jamu indonesia

Growth and Yield Response of Rodent Tuber (Typhonium flagelliforme (Lodd.) Blume) under Different Light Intensities and Concentrations of Paclobutrazol