000 00520 a2200205 4500
245 1 _aStudies on sub specific differentiaation in Oryza sativa.
300 _a116p.
650 _aOryza sativa
650 _aMutaztion
650 _aHigh yielding varieties
650 _aVariants
650 _aYield
650 _aDamage
650 _aSterility
502 _cIARI, Division of Genetics, New Delhi
_bPh.D.
_d1970
502 _gSwaminathan, M.S.
100 1 _aSingh, C.B.
_d
942 _2udc
_cT
901 _aT2052
999 _c141203
_d141203