na INLIS000000000005625 Ind 0010-1118005625 Monographs on Theoretical and Applied Genetics; 22 VIRMANI, S.S. S.S. Virmani; ed. by R. Frankel ... [et al.] Manila, Philippines IRRI 1994 x, 189 p.: ill,; 24 cm.-- x, 189 p.: ill,; 24 cm.-- Bibliography : p.163-186 633.18-152 ORYZA SATIVA HYBRIDS HETEROSIS PLANT BREEDING 046/95-mfn7400