000 00572 am a2200193 a 4500
245 1 _aInvestigations on etiology and control of seed-discolouration disease of rice(oryza sativa l)
300 _a250 p+49 fig+1 app
650 _aSoil sciences
650 _aFood grains
650 _aGrain crops
650 _aPlant pathology
650 _aPlant diseases
650 _aVarieties
650 _aOryza sativa
502 _cPunjab Agricultural University, Ludhiana
_bPh.D (Plant Pathology)
_d1979
100 1 _aVerma, MotiLal
_d
942 _2udc
_cT
901 _aRF2198
999 _c147473
_d147473