00490    a2200145   4500020001500000082001700015100001600032245004500048260004500093300002200138650005700160650003300217650006200250650003200312  a8176636002  a631.523bSIN  aSingh, B.D.  aPlant breeding bprinciples and methods   aLudhianabKalyani Publishersc1993g1993  axivii,896p.c23cm  aSpecific techniques; apparatus, equipment, materials  aDevelopment of new varieties  aProductions of propagational organisms  and new varieties  aCultivation and harvesting