BRS A501 CL is the first upland rice cultivar with tolerance to the broad-spectrum herbicide Kifix®. It has a medium-length cycle, high stability of whole grain yield at processing, good disease tolerance and a high grain yield.
Key words:
Oryza sativa L.; grain yield; breeding; herbicide Kifix
| Descriptor | Phenotypic expression |
|---|---|
| Leaf color | green |
| Angle of the flag leaf | upright |
| Pubescence of leaf blade | absent |
| Leaf: auricle color | light green |
| Leaf: ligule color | colorless to green |
| Stem length | long (96 cm) |
| Panicle length | short (18 cm) |
| Presence of awns | short |
| Spikelets: stigma color | light crimson |
| Spikelets: glume color | straw/golden |
| Spikelets: apicule color (maturity) | black |
| Milled grain (length) | long (8 mm) |
| 1000-grain weight | 27.1 - 28.5 g |
| Cultivars | YLD1 (kg ha-1) | FLO (days) | PH (cm) | LI2 (1-9) |
|---|---|---|---|---|
| BRS A501 CL | 4017 a | 77 a | 107 a | 2.4 |
| AN Cambará | 3965 a | 76 a | 105 a | 1.6 |
| BRS Esmeralda | 3979 a | 76 a | 106 a | 1.7 |
| Mean | 4013 | 75 | 105 | |
| CV% | 16.94 | 4.49 | 6.12 |
| Cultivars | LB1 (1-9) | NB1 (1-9) | LS1 (1-9) | BS1 (1-9) | GS1 (1-9) | LBS1 (1-9) |
|---|---|---|---|---|---|---|
| BRS A501 CL | 2.2 | 2.7 | 3.3 | 3.1 | 2.3 | 5.0 |
| AN Cambará | 2.1 | 3.2 | 2.9 | 2.9 | 2.2 | 8.0 |
| BRS Esmeralda | 1.8 | 2.3 | 2.5 | 2.7 | 1.9 | 6.0 |
| Cultivars | WG (%) | BG (%) | TG (%) | ChG (%) | L (mm) | W (mm) | L/W | AC1 | GT2 |
|---|---|---|---|---|---|---|---|---|---|
| BRS A501 CL | 67 | 6 | 73 | 1.50 | 6.50 | 1.90 | 3.40 | 18.2 | 3.5 |
| AN Cambará | 61 | 10 | 71 | 1.30 | 6.20 | 1.80 | 3.40 | 17.5 | 3.6 |
| BRS Esmeralda | 55 | 15 | 70 | 1.90 | 6.50 | 1.80 | 3.50 | 17.7 | 3.4 |
