Winged bean (Psophocarpus tetragonolobus)

The common varieties in use are Revathy, PT-62, PT-16, PT-49 and PT-2. Seeds at the rate of 15 to 20 kg/ha are planted at a spacing of 125 x 50 cm during August-September and are trailed over pandal, trellis or stakes. FYM is applied at the rate of 20 t/ha. N, P2O5 and K2O recommendation for the crop is 50:100:50 kg/ha. The crop is comparatively free from pests and diseases. Average yield is 10-15 t/ha.