Pollen Viability Studies in Psophocarpus tetragonolobus (L.) DC

Psophocarpus tetragonolobus(L.) Dc. (Winged bean) has immense agricultural possibilities as a potential backyard crop. An outstanding feature of this plant is that, it contains significant amount of protein in all the parts of th e plant. Pollen viability studies was conducted using Cotton blue staining and Fluorochromatic Reaction test. The studies showed that maximum viability of the pollen was before the flower opened and lasted for one day. There was good pollen tube growth in the stylar canal and it penetrated the embryo sac successfully.