BRS Catiana is an irrigated rice cultivar with a medium cycle and excellent grain quality, suited for cultivation in 17 Brazilian states. It has a high yield potential (15,535 kg ha-1) and a mean yield of 7,253 kg ha-1, wide adaptation and late senescence (stay green trait).
Keywords:
Oryza sativa; breeding; stay green; grain yield; wide adaptation
| Region | Cultivar | GY2 (kg ha-1) | HRY (%) | FLO (days) | PH (cm) | LR1 (1-9) |
|---|---|---|---|---|---|---|
| Tropical | BRS Catiana | 7253 a | 60.91 | 89 | 103 | 1.6 |
| BRS Tropical | 7113 ab | 57.28 | 87 | 108 | 1.8 | |
| BRS Jaçanã | 6771 b | 63.85 | 82 | 105 | 1.7 | |
| Subtropical (RS) | BRS Catiana | 9050 a | - | 104 | 94 | 2.0 |
| BR IRGA 409 | 8446 a | - | 100 | 93 | 2.1 |
| Regions | Cultivar | LB1 | PB1 | BS1 | LS1 | MG1 |
|---|---|---|---|---|---|---|
| Tropical | BRS Catiana | 1.4 | 2.2 | 2.5 | 1.8 | 1.6 |
| BRS Tropical | 1.6 | 2.3 | 2.7 | 1.9 | 1.6 | |
| BRS Jaçanã | 1.5 | 2.7 | 3.9 | 2.1 | 2.4 | |
| Subtropical (RS) | BRS Catiana | - | - | 2.1 | 1.1 | 2.8 |
| BR IRGA 409 | - | - | 1.6 | 1.3 | 2.3 |
