TY - BOOK AU - Tiwana, Sukhvinder Singh TI - Quantitative and genetic studies on the populations developed by irradiation of hybrid material of rice ( Oryza sativa L U1 - T 633.183 T54Q PY - 1979/// CY - Ludhiana PB - P.A.U KW - RICE - GENETICS KW - GENETIC VARIATION KW - HYBRIDISATION KW - IRRADIATION KW - RICE N2 - The present investigation was carried out in two crosses of rice kin order to estimate the extent of genetic variation released by hybridization and combination of hybridization and differential doses of gamma irradiation in M2F3 and M3F4 generations. The ER -