Indonesia Conference Directory

Herbicides was efficient but caused pollution of water sources, soil damage, and leave toxic residues in agricultural products. Environmentally friendly weed eradication can be done by using bioherbisida, such as Siam (C. odorata) leaf alelopathy. The research was conducted at Laboratory of Indonesian Legumes and Tuber Crops Research Institute (ILETRI) Malang in April 2017 using a complete randomized factorial design repeated three times. The first factors was: C. odorata extract concentration that consisted of: concentration 0% (w/v), concentration of 10% (w/v), concentration of 20% (w/v), concentration 30% (w/v). The second factor was the type of commodity that consisted of: soybeans, mungbeans and paddy. Making simplicia begins with the impregnation of fresh C. odorata leaves at 65 ˚C for 24 hours and then blended. 60, 40, 20 g of the simplicia soaked with 95% ethanol for four hours then each weight added aquades 200 ml and filtered with filter paper. Seeds was tested (arranged) on with CD paper which was wetted firstly with each extract C. odorata leaves concentrations and set aside. During the germination was doing, paper moisture was maintained by adding 10 ml of the extract C. odorata leaves of each concentration level. The observed variables were radical length (root), plumula length, and number of leaves at 4, 7 and 10 dap. The results showed that the leaves extract of C. odorata with concentration of 20% (w/v) and 30% (w/v) had potential as bioherbisida which could control weed growth.