The early-maturing irrigated rice cultivar BRS A702 CL was developed by Embrapa in partnership with BASF for the Clearfield Production System of irrigated rice in the tropical region of Brazil. In the states of Tocantins and Roraima, BRS A702 CL produces a mean yield of 7,650 kg ha-1.
Keywords:
Oryza sativa L; grain yield; genetic improvement; clearfield production system
| Cultivar | YLD1 (kg ha-1) | FLO (days) | HGT (cm) | LOD2 (1-9) |
| BRS A702 CL | 7,650 ab | 80 | 90 ab | 1 |
| BRS Alvorada | 7,698 a | 96 a | 99 a | 1 |
| BRS Formoso | 7,293 b | 96 b | 91 b | 1 |
| Mean | 7,042 | 80 | 93 | |
| CV (%) | 9.33 | 1.48 | 3.81 |
| Cultivars | WhG% | BG% | TG% | Ch% | L (mm) | W (mm) | L/W | Grain type | ST1 |
| BRS A702 CL | 60.64 | 11.97 | 72.62 | 1.97 | 6.68 | 2.12 | 3.16 | long fine | Lo |
| BRS Alvorada | 66.00 | 6.95 | 72.69 | 2.42 | 6.68 | 2.15 | 3.10 | long fine | St |
| BRS Formoso | 60.28 | 12.53 | 72.82 | 2.21 | 6.66 | 2.06 | 3.23 | long fine | SLo |
| Descriptor | Phenotypic expression |
|---|---|
| Leaf color | Green |
| Flag leaf angle | Right |
| Pubescence of leaf blade | Medium |
| Leaf: auricle color | Light green |
| Leaf: ligule color | Colorless to green |
| Stem length | Medium (72 cm) |
| Panicle length | Medium (22 cm) |
| Presence of awn | Absent or very short |
| Spikelets: glume color | Straw/Golden |
| Spikelets: bud color | White |
| Dehulled grain length | Long (6.68 mm) |
| 1000-grain weight | 27.1 to 28.5 |
