00737    a2200169   4500003000500000005001700005010001600022020001700038040000900055082001500064100002000079245005400099260004200153300003400195505031800229650002000547Nust20230104135056.0  a   78040726  a0582446309 :  cNust00a631.53,SIM1 aSimmonds, N. W.10aPrinciples of crop improvement /cN. W. Simmonds.  aLondon ;aNew York :bLongman,c1979.  axiv, 408 p. :bill. ;c23 cm.  aThe Evolution of Crops (Page-1), Basic Features (Page-27), Objectives of Plant Breeding (Page-40), Genetic Aspects (Page-66), Breeding Plants (Page-123), Trials and Multiplication (Page-205), Discrete Resistance (Page-242), Special Tech (Page-279), New Crops and Genetic (Page-315), The Social Context (Page-337). 0aPlant breeding.