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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 587087S-12-1Trifolium cherleri L. Kentucky, United StatesS91995DEVELOPEDGenetic materialTetraploid of T. cherleri produced by treatment of seedlings with a 0.5% aqueous colchicine solution. Plants classified as to ploidy by examination of seeds, pollen size, and shape and chromosome number.1491849PI 587087
1PI 587088S-46-4NTrifolium diffusum Ehrh. Kentucky, United StatesS91995DEVELOPEDGenetic materialTetraploid of T. diffusum produced by treatment of seedlings with a 0.5% aqueous colchicine solution. Plants classified as to ploidy by examination of seeds and pollen size compared with diploids, and by shape and root-tip chromosome number.1491850PI 587088
2PI 58708939-S-19-1(4x)Trifolium hybridum L. Kentucky, United StatesNLGRPNot Available1995DEVELOPEDGenetic materialTetraploid of T. hybridum produced by treating seedlings with a 0.5% aqueous solution of colchicine. Plants classified as to ploidy by examination of seeds, and pollen shape and size, and chromosome number.1491851PI 587089
3PI 58709079-S-29-5(4x)Trifolium pallidum Waldst. & Kit. Kentucky, United StatesNLGRPNot Available1995DEVELOPEDGenetic materialTetraploid of T. pallidum (cross pollinated) generated by treating cross pollinated flowers with nitrous oxide. Plants classified as to ploidy by examination of seed, pollen size, shape and chromosome number.1491853PI 587090