00328    a2200121   4500082001500000245002500015260005600040300002000096440002700116650001200143650002400155650002700179  a575.5bPLA  aThe plant bthe leaf  aRomebFood And Agriculture Organizationc1967g1967  a[ii],30p.c21cm  aBetter farming series   aBiology  aPopulation genetics  aGenetics and evolution