Farmer Participatory Breeding - The Foster Parent in the Breeding of Dioscorea spp. in Ghana.pdfVIP
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Farmer Participatory Breeding - The Foster Parent in the Breeding of Dioscorea spp. in Ghana.pdf
JournalofAgriculturalScienceandTechnologyB1(2011)205—215
Earliertitle:JournalofAgriculturalScienceandTechnology,ISSN 1939-1250
毒女l_IS H IN G
FarmerParticipatoryBreeding ·TheFosterParentinthe
BreedingofDioscoreaspp.inGhana
E.Otoo
CSIR—CropsResearchInstitute,P.0.Box3785,Kumasi,Ghana
Received:April25,2011/Published:June20,2011
Abstract:Yam (Dioscoreaspp.),hasbeenaptlydescribedasanorphancrop.Ithassufferedinstitutionalneglectfrom time
immemoria1.Untilthisstudytherewerenoformallyreleasedyam varietiesinGhana.Thefamr erparticipatorybreedingapproachwas
adaptedtofast-trackthedevelopmentandreleaseofthreenewyam varietiesinGhana.Thispaperusesthebreedingprocessasacase
stud)andconductsaSW OTanalysistoprovideguidelinesforbreedingofrcropsinLowExternalInputAgriculture.Itwasfasterthan
conventionalbreedinginvarietaldevelopment.ScientificqualityofFarmerParticipatory Breedingisasgoodasconventionalbreeding.
FarmerParticipatory Breeding isamustofrbreedingyam in Ghana.Ultimately,threegenotypes2000/001,KUP2000/00land
TDr89/02665wereacceptedandreleasedasnew varieties“CRIKukrupa’ “CRIPona’and “MankrongPona”respectivelyinMrach
2005.Dangerofomissionofsomeprom isinggenotypesinthecourseofvarietaldevelopmentanddangerofopiniongroupcabalizing
thegroupdiscussionswereidentifiedaspotentialthreatstotheapproach.Effectiveresearch-extension-farmerlinkagewasidentifiedas
extremelyvitaltotheSUCCESSoftheapproach.Farmerparticipatory breedingprocesswasalsosustainableandmoreefficientthan
conventionalbreedinginvarieta1selectioninyam breeding.
Keywords:Dioscorea,Famr erParticipatoryBreeding,Ghana,Yam (Dioscoreaspp.)
1.Intr0ducti0n Althoughthereareapproximately200,000 species
offloweringplants,onlysixspecies—wheat,rice,corn,
ItiSclearthatthehumanspeciesiscurrentlyaneater
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