EFEKTIVITAS HERBISIDA NABATI EKSTRAK DAUN KETAPANG (Terminalia catappa L.) TERHADAP GULMA Asystasia gangetica L.

Asystasia gangetica is considered one of the invasive weeds and often found in residential areas most important to plant. The aim study was evaluate effectiveness interaction between extract concentration leaf condition Terminalia catappa L. extracted from gangetica. conducted using a completely randomized design two factors. first factor leaves, which were fresh, newly fallen dried leaves. second concentrations, 50, 75 100%. parameters time germination, height plant, number length root weight grass. results experiment showed that there an state Leaf with all observed parameters. In general, growth retardation increased increasing concentration. Fungicidal potency shown by obtained fresh followed leaves least