‘IAC Sempre Verde’ is a medium-seeded runner-type peanut highly resistant to late leaf spot and rust, the main diseases in peanut cultivation in Brazil. The newly released cultivar showed remarkable yield advantage over controls when diseases were not controlled and represents the first possibility for peanut cultivation under “Organic” management.
Keywords:
Arachis hypogaea; Arachis cardenasii; foliar diseases; yield; “organic” cultivation
| Genotype | Pindorama | Adamantina | Colina | |
|---|---|---|---|---|
| 2009/10 | 2010/11 | 2010/11 | 2010/11 | |
| IAC Sempre Verde | 164.5 A a | 180.4 A a | 324.9 B a | 324.5 B a |
| IAC 113 | 293.1 A b | 369.7 B b | 420.3 B b | 531.0 C b |
| IAC 147 | 317.3 A cb | 382.6 B b | 441.4 B cb | 531.0 C b |
| IAC 503 | 315.2 A cb | 382.6 B b | 466.2 C cb | 494.1 C b |
| IAC Caiapó | 301.3 A cb | 313.7 A b | 413.2 B b | 494.1 C b |
| Runner IAC 886 | 372.0 A c | 462.8 B c | 501.5 BC c | 531.0 C b |
| F (G x L) | 2.04* | |||
| Average | 293.9 | 348.6 | 427.9 | 484.3 |
| Coefficient of variation (%) | 7.7 | 6.4 | 6.4 | 11.9 |
| Genotype | Field | Detached leaves | ||
|---|---|---|---|---|
| Pindorama | Adamantina | Colina | ||
| 2009/10 | 2010/11 | 2010/11 | 2010/11 | |
| IAC Sempre Verde | 190.0 a | 81.5 A a | 65.3 A a | 118.0 A a |
| IAC 113 | 283.5 b | 144.3 A ab | 80.5 A ba | 243.4 B b |
| IAC 147 | 307.3 b | 169.0 B ab | 103.5 A ba | 295.0 C b |
| IAC 503 | 281.8 b | 189.5 B bc | 72.0 A a | 118.0 A a |
| IAC Caiapó | 305.8 b | 150.0 B ab | 68.5 A a | 59.0 A a |
| Runner IAC 886 | 430.3 c | 264.8 B c | 138.8 A b | 295.0 B b |
| F (GxL) | 7.2** | |||
| Average | 299.8 | 166.5 | 166.5 | 188.1 |
| Coefficient of variation (%) | 11.6 | 23.1 | 23.1 | 23.3 |
| Genotype | Yield (kg ha-1) | |||
|---|---|---|---|---|
| Pindorama | Adamantina | Pindorama | Average | |
| 2009/10 | 2010/11 | 2010/11 | kg ha-1 | |
| IAC Sempre Verde | 4666.8 | 3586.0 | 3263.8 | 3838.8 a |
| IAC 113 | 2169.5 | 2047.5 | 1347.3 | 1854.8 bc |
| IAC 147 | 2700.3 | 2672.3 | 1244.5 | 2205.7 b |
| IAC 503 | 1755.3 | 2633.5 | 1383.5 | 1924.1 bc |
| IAC Caiapó | 2617.0 | 3225.0 | 1713.8 | 2518.6 b |
| Runner IAC 886 | 1261.0 | 2036.0 | 741.5 | 1346.2 c |
| F (G x L) | 8.11 | |||
| Means | 2528.3 | 2700.0 | 1615.7 | 2281.3 |
| Coefficient of variation (%) | 22.7 | 18.0 | 28.6 | |
| Genotype | Pindorama 2019/2020 | Votuporanga 2019/2020 | ||
|---|---|---|---|---|
| No control | 45DAS+15D | No control | 45DAS+15D | |
| IAC Sempre Verde | 5.5 a | 2.8 a | 4.1 a | 2.0 a |
| IAC 503 | 7.5 b | 4.6 b | 7.2 b | 4.0 b |
| IAC OL 3 | 9.0 c | 7.4 c | 8.9 c | 5.5 c |
| IAC OL 5 | 8.6 bc | 5.4 b | 7.8 bc | 3.0 ab |
| Genotype | Pindorama 2019/2020 | Votuporanga 2019/2020 | ||
|---|---|---|---|---|
| No control | 45 DAS + 15D | No control | 45 DAS + 15D | |
| IAC Sempre Verde | 3296.4 a | 4366.0 a | 5386.4 a | 5646.7 b |
| IAC 503 | 1990.5 b | 4247.6 a | 3515.7 b | 5653.5 b |
| IAC OL 3 | 1180.0 b | 3831.4 a | 3509.5 b | 6946.4 a |
| IAC OL 5 | 1673.5 b | 3412.5 a | 4457.8 a | 6248.5 ab |
| Average | 2035.1 | 3964.4 | 4217.4 | 6123.8 |
| CV (%) | 18.1 | 16.9 | 8.8 | 9.5 |
