Media Growing Techniques and Different Soil Types to Increase Agronomic Characteristics and Content of Flavonoid Compounds on Dayak’s Onion (Eleutherine palmifolia Merr.)

Abstract

Utilization of biodiversity in the form of medicinal plants is an alternative to maintain health. Dayak onions as efficacious medicinal plants, have the potential to be developed. The optimal benefits of Dayak onions can be obtained if the raw materials used are of high quality. Environmental factors greatly affect the quality and quantity of tubers, including cultivation techniques and soil types. This research aims to study various cultivation techniques and soil types to improve the agronomical characteristics and flavonoid content of Dayak Onion. The study used a factorial randomized block design,3 repetitions. Factor I was the type of soil (T1=peat soil; T2=sandy soil). Factor II was the type of cultivation technique B0=without fertilization; B1=organic fertilization (chicken manure 20 t.ha-1); B2=inorganic fertilization (200 kg.ha-1urea,150 kg.ha-1 SP-36,200 kg.ha-1 KCl); B3=combination of organic+inorganic fertilization. The results showed that the interaction treatment of various cultivation techniques and soil types had a significant effect on plant height, number of leaves, number of saplings. The combination of organic+inorganic fertilizers (chicken manure 20 t.ha-1 and 200 kg.ha-1 urea+150 kg.ha-1 SP-36+200 kg.ha-1 KCl) planted on peat soil types gives the best results on tuber wet weight 48.27 g/clump, dry tubers 16.73 g (12 wap) The average content of flavonoids planted on peat soil was higher 64.75 compared to sandy soil 52.33.