Psophocarpus tetragonolobus(L.) DC., a potential backyard crop, has immense agricultural possibilities. An
outstanding feature of this plant is that, it contains significant amount of protein in all the parts of the plant, i.e.
seeds, pods, leaves and roots, all of which are edible. One of the major problems in achieving rapid propagation of
this wonder crop is the very low rate of germination of the stored seeds. There are many controversial reports
regarding the germinability of the seeds of winged bean on storage. It was observed that there is a loss in
germination potential of Psophocarpus tetragonolobus and the present study was conducted to assess the loss of
viability and find out methods of increasing germination of the stored seeds. The germination was found to be
decreasing from the first month of storage and completely ceased after six months of storage. The germination of
four month stored seeds normally was 15%, but upon various treatments it could be increased. Since the poor
germination is attributed to the very hard seed coat, various chemical treatments at different temperature regimes
were given to overcome the problem. Seeds stored for more than six months could not be germinated even after
scarification. Maximum seed germination of 100% was observed when the seeds were treated in 0.5% KNO3 at
500C and 90% H2SO4 at 600C.