Coffee being a non alcoholic beverage, it is well known for its stimulating effect on the brain. This prompted the coffee growing countries to adopt the plant improvement programme through conventional and advanced breeding techniques. Accordingly, in India too similar breeding work was undertaken that resulted several hybrids of various cross combinations established at Coffee Research Sub Station, Chettalli, Kodagu District, Karnataka. Out of these, fifteen F1 hybrids and an interspecific hybrid population developed from tetraploid x diploid cross (Cauvery x (CxR)) were used for evaluation...