“…Earlier studies have shown PS to be a potent carcinogen (Druckrey et al 1968, Ulland et al 1971) with equally well documented radiomimetic and mutagenic attributes (Kaul and Singh 1971, Singh and Kaul 1973, Zutshi and Kaul 1975, Osterman Golkar and Wachtmeister 1976, Singh and Kaul 1978band Singh 1979 of PS. Treatments with 2, 4, 6 and 8mM of PS caused significant amount of seed lethality, seedling growth injury and spike sterility ( Fig.…”