000 00587 a2200229 4500
245 1 _aComparative pathogencity and histopathological studies on two population of heterodera avenae on wheat.
300 _a32p.
650 _aHeterodera
650 _aWheat
650 _aVarieties
650 _aRoots
650 _aShoots
650 _aCyst
650 _aPathogen
650 _aBiotypes
650 _aInoculation
502 _cIARI, Division of Nematology, New Delhi
_bM.Sc.
_d1991
502 _gKaushal, K.K.
100 1 _aSingh, K.
942 _2udc
_cT
901 _aT5351
999 _c142836
_d142836