The cultivar IAC Catuaí SH3 was developed by the pedigree method, from the recombination of the coffee tree H 2077-2-5-46, of the Catuaí Vermelho germplasm, with accession IAC 1110-8, from the exotic cultivar BA10. Cultivar IAC Catuaí SH3 is high-yielding, resistant to coffee leaf rust and tolerant to drought.
Keywords:
Coffea arabica; cup quality; durable resistance; Hemileia vastatrix
| Location | Cultivar | Yield (bags ha-1 yr-1) | Relative yield (%) | Rust resistance1 |
|---|---|---|---|---|
| Points | ||||
| Mococa2 | IAC Catuaí SH3 | 39.1 | 135 | 0 |
| Catuaí Amarelo IAC 62 | 29 | 100 | 4 | |
| Franca3 | IAC Catuaí SH3 | 57 | 142 | 0 |
| Catuaí Vermelho IAC 99 | 40.3 | 100 | 4 |
| Cultivar | Vigor1 | Bean output2 | Ripening cycle | Bean type | ||
|---|---|---|---|---|---|---|
| Flat | Peaberry | Elephant | ||||
| Points | % | % | ||||
| IAC Catuaí SH3 | 9 | 48.2 | Medium to late | 90.0 | 6.5 | 3.5 |
| Catuaí Vermelho IAC 99 | 7 | 47.6 | Medium to late | 92.7 | 5.5 | 1.8 |
| Cultivar | Vigor1 | Turgescence index2 |
|---|---|---|
| Points | ||
| IAC Catuaí SH3 | 8.3 | 7.7 |
| IAC 125 RN3 | 7.0 | 5.0 |
| Obatã IAC 1669-203 | 8.0 | 5.3 |
| Traits | Descriptions1 |
|---|---|
| Size (tree height) | Short (=‘Catuaí’) |
| Canopy radius | Between medium (=‘Catuaí’) and large (=‘Acaiá’) |
| Canopy architecture | Cylindric (=‘Catuaí’) |
| Internode length | Between medium (=‘Catuaí’) and long (=‘Mundo Novo’) |
| Intensity plagiotropic branching | High (=‘Catuaí’) |
| Young leaf color | Green (=‘Catuaí’) |
| Leaf length | Between medium (=‘Mundo Novo’) and long (=‘Obatã’) |
| Leaf width | Between medium (=‘Mundo Novo’) and large (=‘Obatã’) |
| Leaf shape | Elliptical |
| Undulation of the leaf margin | Between slight and moderate (=‘Catuaí’) |
| Color of ripe fruits | Red murrey |
| Fruit shape | Oblong (=‘Mundo Novo’) |
| Fruit size | Between medium (=‘Mundo Novo’) and large (=‘Acaiá’) |
| Bean length | Short (=‘Catuaí’) |
| Bean width | Large (=‘Catuaí’) |
| Ripening cycle | Between late (=‘Catuaí’) and very late |
| Rust resistance2 | High resistance |
| Nematode resistance | Susceptible |
| Reaction to Brown Eye Spot3 | Susceptible |
| Cup quality | Similar to Catuaí |
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