Table 4.
Description of genomic in situ hybridization results
| Accession | Genomic DNA probes | |||
|---|---|---|---|---|
| gDNA_Ubriz | gDNA_Udec | gDNA_Uruz | gDNA_Umax | |
| U. ruziziensis CIAT 6419 | No signal | Signals in pericentromeric position of 18 chromosomes; same position of signals as gDNA_Uruz probe | Signals in pericentromeric position of 18 chromosomes; same position of signals as gDNA_Udec probe | No signal |
| U. decumbens PI 210724 | Four 45S rDNA signals | Strong signals in pericentromeric position of 18 chromosomes, and weak signals in pericentromeric position of remaining 18 chromosomes; same position of signals as gDNA_Uruz probe | Strong signals in pericentromeric position of 18 chromosomes, and weak signals in pericentromeric position of remaining 18 chromosomes; same position of signals as gDNA_Udec probe | Four 45S rDNA signals |
| U. decumbens CIAT 664 | Four 45S rDNA signals | Strong signals in pericentromeric position of 18 chromosomes, and weak signals in pericentromeric position of remaining 18 chromosomes; same position of signals as gDNA_Uruz probe | Strong signals in pericentromeric position of 18 chromosomes, and weak signals in pericentromeric position of remaining 18 chromosomes; same position of signals as gDNA_Udec probe | Four 45S rDNA signals |
| U. decumbens CIAT 6370 | Four 45S rDNA signals | Strong signals in pericentromeric position of 18 chromosomes, and weak signals in pericentromeric position of remaining 18 chromosomes; same position of signals as gDNA_Uruz probe | Strong signals in pericentromeric position of 18 chromosomes, and weak signals in pericentromeric position of remaining 18 chromosomes; same position of signals as gDNA_Udec probe | Four 45S rDNA signals |
| U. brizantha PI 292187 | Four 45S rDNA signals | Nine chromosomes painted; 27 chromosomes show pericentromeric signals; same position of signals as gDNA_Uruz probe | Nine chromosomes painted; 27 chromosomes show pericentromeric signals; same position of signals as gDNA_Udec probe | Four 45S rDNA signals |
| U. brizantha PI 226049 | Six 45S rDNA signals | Eighteen strong, 18 weaker and 18 weak signals in pericentromeric position of chromosomes | Eighteen strong, 18 weaker and 18 weak signals in pericentromeric position of chromosomes | Six 45S rDNA signals |
| U. humidicola CIAT 26151 | Six 45S rDNA signals | Interspersed signals along chromosomes | Interspersed signals along chromosomes | Six 45S rDNA signals |
| U. humidicola CIAT 16867 | Six 45S rDNA signals | Interspersed signals along chromosomes | Interspersed signals along chromosomes | Six 45S rDNA signals |
| U. maxima CIAT 6171 | Four 45S rDNA signals | Four 45S rDNA signals | Four 45S rDNA signals | Thirty-two chromosomes show signals in telomeric–subtelomeric and pericentromeric position |
| U. maxima CIAT 16004 | Four 45S rDNA signals | Four 45S rDNA signals | Four 45S rDNA signals | Thirty-two chromosomes show signals in telomeric–subtelomeric and pericentromeric position |
| U. maxima PI 284156 | Four 45S rDNA signals | Four 45S rDNA signals | Four 45S rDNA signals | Thirty-two chromosomes show signals in telomeric-subtelomeric and pericentromeric position |
| Urochloa sp. PI 657653 | Four 45S rDNA signals, weak signals in centromeres | Four 45S rDNA signals | Four 45S rDNA signals | Signals along 16 chromosomes |
| Urochloa sp. PI 508571 | No signal | Signals in pericentromeric position of 18 chromosomes; same position of signals as gDNA_Uruz probe | Signals in pericentromeric position of 18 chromosomes; same position of signals as gDNA_Udec probe | No signal |
| Urochloa sp. PI 508570 | Signals along 18 chromosomes; some chromosomes show gDNA_Ubriz and gDNA_Umax signals | Four 45S rDNA signals | No signal | Signals along 27 chromosomes |