00401naa a2200145 a 450000100080000000500110000800800410001910000210006024500620008126000060014365300240014965300100017365300160018377300560019910487382006-09-29               bl ---       0--  u    #d1 aFRIEND, D. J. C.  aPhotoperiodic responses of Brassica Campestris cv. ceres.  c0  aBrassica camprestri  aColza  aFotoperiodo  tPhysiologia Plantarumgv.21, n.5, p.990-1002, 1968.