‘BRS 421’ and ‘BRS 423’ are high-oleic runner type peanut cultivars, adapted to the main peanut-producing areas in Brazil and partially resistant to spotted wilt. ‘BRS 421’ has a medium cycle and large seed size, while BRS ‘423’ has a short cycle and regular runner seed size.
Keywords:
Arachis hypogaea L.; seed quality; spotted wilt; high yielding.
| Descriptor | BRS 421 | BRS 423 |
|---|---|---|
| Growth habit | Decumbent | Decumbent |
| Main stem | Not apparent | Not apparent |
| Lateral branches | Upward curved tips | Upward curved tips |
| Canopy | Medium | Medium |
| Flowering | Alternate | Alternate |
| Days to maturity | 135-140 | 125-130 |
| Pod (constriction) | Moderate | Moderate |
| Pod (reticulation) | Prominent | Slight |
| Pod (number of seeds) | Two | Two |
| Pod (beak) | Prominent | Slight |
| Seed (color) | Pale tan | Pale tan |
| Seed (shape) | Long | Regular |
| 100-seed weight | Very high (90 g) | High (77 g) |
| Oil content | Low (45%) | Regular (48%) |
| Oleic acid content | High (> 70%) | High (>70%) |
| Dormancy | Present | Present |
| Cultivar | Rank | GV (kg ha-1) |
|---|---|---|
| BRS 423 | 1 | 5084 |
| BRS 425 | 2 | 4987 |
| BRS 421 | 3 | 4813 |
| IAC 503 | 4 | 4692 |
| OL 3 | 5 | 4520 |
| IAC 505 | 6 | 4451 |
| IAC Runner 886 | 7 | 4435 |
| Granoleico | 8 | 4271 |
| Overall mean | - | 4638 |
| CV | - | 17.7 |
| Accuracy | - | 0.83 |
| Cultivar | Good disease management | Intermediate disease management | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015-16 | 2016-17 | 2017-18 | 2015-16 | 2016-17 | 2017-18 | ||||||
| SAG1 | CRI2 | JAB8 | FRU4 | PRI5 | LEM6 | PAL7 | HID3 | SAG1 | *HER9 | *TUP10 | |
| BRS 421 | 6523.7 | 6367.1 | 7076.7 | 6728.8 | 7968.9 | 7351.3 | 6142.4 | 4969.7 | 5085.5 | 5153.8 | 4807.9 |
| BRS 423 | 7004.3 | 6646.2 | 6857.2 | 6838.4 | 8112.2 | 7645.0 | 6271.0 | 4717.2 | 5348.6 | 5205.9 | 5238.4 |
| IAC 503 | - | 5979.8 | 7028.4 | - | - | - | - | 4646.7 | 4575.5 | 5108.1 | 4711.2 |
| IAC OL 3 | - | 5568.8 | 7153.4 | - | 8058.6 | 7440.8 | 6004.7 | - | 4492.0 | - | 4666.4 |
| IAC 505 | 6205.6 | - | 6550.6 | - | - | - | - | - | - | - | |
| IAC Runner 886 | 6296.0 | - | - | - | - | - | 4589.4 | - | - | - | |
| GRANOLEICO | - | 5432.3 | 6930.3 | 6352.4 | - | - | - | - | 4415.1 | 4840.3 | 4754.2 |
| Mean average | 5972.8 | 5379.4 | 6564.8 | 6269.1 | 7755.7 | 7077.0 | 5791.5 | 4259.2 | 4362.2 | 4766.0 | 4585.6 |
| CV | 19.6 | 15.7 | 11.6 | 8.6 | 10.4 | 16.0 | 11.7 | 27.2 | 17.21 | 12.7 | 15.6 |
| Fatty acids | BRS 421 (%) | BRS 423 (%) |
|---|---|---|
| Palmitic acid (C16:0) | 6.07 | 6.30 |
| Margaric acid (C17:0) | 0.13 | 0.12 |
| Heptadecanoic acid (C17:1 cis-10) | 0.13 | 0.09 |
| Stearic acid (C18:0) | 2.66 | 2.34 |
| Oleic acid (C18:1 cis-9) | 80.79 | 80.77 |
| Linoleic acid (C18:2 cis-9-12) | 2.45 | 2.66 |
| Arachidic acid (C20:0) | 1.24 | 1.25 |
| Eicosenoic acid (C20:1 cis-9) | 1.88 | 1.78 |
| Behenic acid (C22:0) | 2.65 | 2.82 |
| Erucic acid (C22:1 cis-9) | 0.17 | 0.15 |
| Lignoceric acid (C24:0) | 1.58 | 1.46 |
| Total fatty acids | 45 | 48 |
