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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 651015FC220Beta vulgaris L. subsp. vulgaris Colorado, United StatesW62007DEVELOPEDPRE 09/10/2007Breeding materialFC220 sugarbeet germplasm is multigerm (M) in a fertile cytoplasm, segregating for genetic male sterility (a1a1), self-compatibility (Sf) and hypocotyl color (R). It has good resistance to root-rotting strains (AG-2-2) of Rhizoctonia solani K hn and is segregating for the Rz1 gene, which confers resistance to some strains of Beet necrotic yellow vein virus (BNYVV), the causal agent of rhizomania. This germplasms has moderate resistance to Aphanomyces cochlioides Drechsl., which causes aphanomyces root rot (aphanomyces black root). FCC220 does not show resistance to Beet curly top virus (BCTV), but shows resistance to the sugarbeet root aphid (Pemphigus sp.). It has moderate susceptibility to cercospora leaf spot, caused by Cercospora beticola Sacc. This germplasm has good field performance for percentage sucrose. It is a population from which to select disease-resistant, multigerm pollinator parents.1737676PI 651015
1PI 651016FC221Beta vulgaris L. subsp. vulgaris Colorado, United StatesW62007DEVELOPEDPRE 09/10/2007Breeding materialFC221 sugarbeet germplasm is multigerm (M) in a fertile cytoplasm, segregating for genetic-male-sterility (a1a1), self-compatibility (Sf) and hypocotyl color (R). It has good resistance to root-rotting strains (AG-2-2) of Rhizoctonia solani K hn and is segregating for the Rz1 gene, which confers resistance to some strains of Beet necrotic yellow vein virus (BNYVV), the causal agent of rhizomania. This germplasms has moderate resistance to Aphanomyces cochlioides Drechsl., which causes aphanomyces root rot (aphanomyces black root). FCC221 shows moderate resistance to Beet curly top virus (BCTV), but does not show resistance to the sugarbeet root aphid (Pemphigus sp.). It has moderate susceptibility to cercospora leaf spot, caused by Cercospora beticola Sacc. This germplasm has good field performance for sugar yield. It is a population from which to select disease-resistant, multigerm pollinator parents.1737677PI 651016