The genetic and phenotypic variability of interspecific hybrid bermudagrasses (Cynodon dactylon (L.) Pers. × C. transvaalensis Burtt-Davy) used on golf course putting greens

摘要: Some interspecific hybrid bermudagrass cultivars used on golf course putting greens are genetically unstable, which has caused phenotypically different off-type grasses to occur in production nurseries and surfaces. Management practices reduce the occurrence of green surfaces effect they can have quality performance need be researched until stable developed. Golf subtropical tropical climates typically planted with an (Cynodon dactylon (L.) Pers. × C. transvaalensis Burtt-Davy), because superior these cultivars. 'Tifgreen' was one first hybrids developed for use lieu common bermudagrass. However, began appearing established Tifgreen stands soon after commercial release. Off-type those morphology when compared surrounding, desirable cultivar. Off-types potential decrease surface uniformity, negatively affects quality. several unique off-types from been selected as cultivars, being 'Tifdwarf'; then 'Floradwarf', 'MS-Supreme', 'Pee Dee-102', 'TL-2', identified later. The 'Champion Dwarf', 'P-18', 'RJT', 'Emerald Dwarf' were subsequently Tifdwarf. naturally occurring that within family widely differing phenotypes; however, reported similar, supporting hypothesis their is a result somatic mutations. Genetic instability currently available likely lead continued presence greens. Additional research needed understand nature genetic Tifgreen-derived how manage its consequences develop new but also strategies eradication pedigree nursery end-site