Cultivar IPR 106 resulted from a spontaneous hybridization between “Icatu IAC 925” and an unknow dwarf plant. It is a dwarf cultivar with high rusticity, late ripening cycle, large grains, excellent cup quality and resistance to some populations of the nematodes Meloidogyne paranaensis and M. incognita found in the state of Paraná.
Keywords:
breeding; Coffea arabica; Icatu 925; root-knot nematode
| Cultivar1 | Locations and spacings2 | ||||||
|---|---|---|---|---|---|---|---|
| Mandaguari3 (2.50 x 0.5 m) | Mandaguari3 (3.00 x 0.5 m) | Londrina4 (2.50 x 0.5 m) | Londrina4 (3.00 x 0.5 m) | Itaguajé5 (3.00 x 0.5 m) | Overall mean | (%)6 | |
| IPR 106 | 46.06 a | 52.16 a | 55.08 a | 55.46 a | 52.17 a | 52.19 | 102.5 |
| IAPAR 59 | 39.81 a | 52.48 a | 59.62 a | 41.46 a | 50.22 a | 48.72 | 95.7 |
| Catuaí V81 | 42.26 a | 45.55 a | 60.23 a | 57.10 a | 49.45 a | 50.92 | 100.0 |
| Overall mean | 42.71 | 50.06 | 58.31 | 51.34 | 50.61 | 50.61 | |
| CV (%) | 10.21 | 9.43 | 9.23 | 12.50 | 13.19 | ||
| Cultivar | Variables1, 2 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Y06 | Y07 | Y08 | Y09 | Y10 | MY | V06 | V07 | V08 | V09 | V10 | MV | |
| IPR 100 | 34.1 a | 25.9 a | 76.9 a | 61.3 a | 15.3 a | 42.7 a | 9.4 a | 8.3 a | 8.4 a | 7.9 a | 7.6 a | 8.3 a |
| IPR 106 | 21.3 ab | 12.8 abc | 64.2 ab | 58.7 a | 5.2 ab | 32.4 a | 7.7 ab | 8.0 a | 7.4 ab | 6.9 a | 6.2 a | 7.2 ab |
| IPR 103 | 22.9 ab | 13.5 ab | 36.7 bc | 0.0 b | 0.7 b | 14.8 b | 8.4 ab | 6.2 ab | 5.8 bc | 4.4 b | 2.9 b | 5.6 bc |
| IAPAR 59 | 11.3 b | 10.4 bc | 23.3 c | 3.3 b | 0.0 b | 9.7 b | 6.9 b | 4.3 b | 4.3 cd | 3.3 bc | 2.5 b | 4.2 c |
| Catuaí V. 81 | 27.1 ab | 3.9 c | 32.5 bc | 0.0 b | 0.0 b | 12.7 b | 7.1 b | 5.4 b | 3.8 d | 2.6 c | 1.5 b | 4.0 c |
| Overall mean | 23.4 | 13.3 | 46.7 | 24.7 | 4.2 | 22.5 | 7.9 | 6.4 | 5.9 | 5.0 | 4.1 | 5.9 |
| CV% | 26.1 | 31.0 | 34.6 | 20.6 | 68.4 | 22.1 | 7.8 | 11.2 | 10.3 | 10.2 | 19.9 | 8.8 |
| Cultivar | Plant height1 (m) | Canopy diameter1 (m) | % of dead plants1 |
|---|---|---|---|
| IPR 100 | 1.96 a | 1.84 a | 1.79 b |
| IPR 106 | 2.09 a | 1.87 a | 5.36 b |
| IPR 103 | 1.07 b | 0.96 b | 26.79 ab |
| IAPAR 59 | 1.11 b | 0.82 b | 35.71 ab |
| Catuaí V. 81 | 1.02 b | 0.55 b | 44.66 a |
| Overall mean | 1.45 | 1.21 | 22.86 |
| CV (%) | 12.24 | 10.43 | 78.12 |
