00305    a2200109   4500020001500000082001300015100001900028245004700047260003900094300002100133650004100154  a8185031711  a630bPUR  aPurohit, S. S.  aA laboratory manual of plant biotechnology  aBikanerbAgro Botanicac1999g1999  a[iv],210p.c25cm  aAgriculture and related technologies