IAC 125 RN was derived from a cross between the coffee cultivar Villa Sarchí and the Hibrido de Timor CIFC 832/2. The coffee trees are short and resistant to races 1 and 2 of the nematode Meloidogyne exigua and to all races of coffee rust, Hemileia vastatrix, present in Brazil. Brazil.
Key words:
Coffea arabica; Hemileia vastatrix; Meloidogyne exigua; plant resistance
| Cultivar | IG2 | Classification | NERS3 | NE (g root-1) 4 | FR | Classification |
|---|---|---|---|---|---|---|
| Catuaí Vermelho IAC 144 | 4.6 | Susceptible | 5,550 | 2,649.5 | 1.12 | Susceptible |
| IAC 125 RN | 0.5 | Resistant | 100 | 51.5 | 0.02 | Resistant |
| Cultivar | IG2 | Classification | NERS3 | NE g root-1 4 | FR | Classification |
|---|---|---|---|---|---|---|
| Catuaí Vermelho IAC 144 | 4.1 | Susceptible | 1,047 | 2,585.3 | 2.10 | Susceptible |
| IAC 125 RN | 0.0 | Resistant | 25 | 16.4 | 0.01 | Resistant |
| Location | Harvests | Cultivar | |
|---|---|---|---|
| IAC 125 RN | Catuaí Vermelho IAC 144 | ||
| Patrocínio, MG | 5 | 66.0 | 40.0 |
| Patos de Minas, MG | 3 | 60.0 | 40.0 |
| Location | Harvests | Cultivar | |
|---|---|---|---|
| IAC 125 RN | Catuaí Vermelho IAC 144 | ||
| Mococa, SP | 3 | 59.4 | 36.4 |
| Campinas, SP | 3 | 35.5 | 31.0 |
| Patos de Minas, MG | 3 | 40.0 | 35.0 |
| Campinas, SP | 6 | 33.1 | 34.7 |
| Characteristics | Descriptions1 |
|---|---|
| Size (tree height) | Short (=IAPAR 59) |
| Canopy radius | Short (=IAPAR 59) |
| Canopy architecture | Cylindrical (=Catuaí) |
| Internode length | Short (=IAPAR 59) |
| Intensity plagiotropic branching | From medium (=Mundo Novo) to high (=Catuaí) |
| Young leaf color | Green (=Catuaí) |
| Leaf length | Between short and long |
| Leaf width | Between narrow and large |
| Leaf shape | Oval |
| Undulation of the leaf margin | Medium wavy (=Mundo Novo) |
| Color of ripe fruits | Red |
| Fruit shape | Oblong (=Mundo Novo) |
| Fruit size | Between medium (=Mundo Novo) and large (=Acaiá) |
| Bean length | Between medium (=Mundo Novo) and long (=Acaiá) |
| Bean width | Between medium (=Mundo Novo) and large (=Catuaí) |
| Maturation cycle | Early |
| Rust resistance2 | High resistance |
| Nematode resistance | Meloidogyne exiua races 1 and 2 |
| Reaction to Brown Eye Spot3 | Susceptible |
| Cup quality | Similar or superior to Catuaí |
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