01577naa a2200265 a 450000100080000000500110000800800410001902200140006010000210007424500220009526000090011752008930012665000210101965000120104065000170105265000180106965000140108765000140110165000130111565000220112865300270115070000220117770000170119977300950121616531262005-11-16       2002    bl uuuu     u00u1 u    #d  a1518-78531 aFUKUDA, W. M. G.  aCassava breeding.  c2002  aThe main factors concerned with cassava breeding are described, such as origin and domestication,  botanic classificaiton and relationship with other species, reproduction mode and floral biology., factors that influence flowering, factors that affect hybridization and seed production, genetics and cytogenetics, quantitative trait heredity, selection criteria for yield, hybridization techniques, general and specific breeding objectives, breeding methods, diffusion of new varieties, current state of breeding, main results and impacts, the future of breeding and cultivars recommended in Brazil. The main results obtained at the national and international level in the areas of germplasm and cassava genetic improvement are presented. A list is included with the description of the cutivars for the Northern, Northeastern, Southeastern, Central-Western and Southern regions of Brazil.  abreeding methods  acassava  acytogenetics  adomestication  agermplasm  avarieties  aMandioca  aManihot Esculenta  aMelhoramento genético1 aSILVA, S. de O. e1 aIGLESIAS, C.  tCrop Breeding and Applied Biotechnology, Londrinagv. 2, n. 4, p. 617-638, december, 2002.