Allopathic effects are seen as positive and negative effects under the influence of its allochemical is caused by the chemical interaction of one plant with another. Aqueous extract of Chloris barbata leaf has an allopathic impact on seed germination in cowpea (Vigna unguculata L.) and Indian bean (Lablab purpureus L.). Seed germination tests were carried out in different concentrations (20%, 40%, 60%, 100%) of leaf aqueous extracts of Chloris barbata, result showed that there was no significant germination in cowpea in control and treatments. However, it was observed that Chloris barbata triggered the germination at 100% aqueous extract which was followed by 60%. Due to allelopathic effects in Indian bean germination ang growth were promoted in high concentration extract.
Key words: Allelopathic, Seed germination, Chloris barbata, Cowpea, Indian bean