DWIVEDI, N. K.; SIKDAR, A. K.; JOLLY, M. S.; SUSHEELAMMA, B. N.; SURYANARAYANA, N. INDUCTION OF TETRAPLOIDY IN COLCHICINE·INDUCED MUTANT OF MULBERRY. I. MORPHOLOGICAL AND CYTOLOGICAL STUDIES IN CULTIVAR KANVA-2. IJGPB 1988, 48, 305-311.