protection of plantbiodiversityfromculturalandwildlifeis a priorityactivity of t he Institute of PlantGeneticResources , Sadovo . Thisisthefirstscientificagriculturalcenter of Bulgaria, whereitbeganintroduction of newspeciesandvarietiesand todayin IPGR are collectedandstored atherichvariety of speciesand many extraordinary localandforeigngermplasm. Theaim of thepaperis to focusonthepreservation of existingplantwealth of usablegermplasmandestablishment of science-basedstrategyformanagementandconservation of biodiversity .Keywords: biodiversity, PGR, germplasm, in situ, in vitro, on farm