Table 3.
Yield performance of 19 late-season sweet orange selections grafted onto Rangpur lime rootstock from 2016 to 2021. Guairaçá, state of Paraná, Brazil.
| Sweet orange selection | Yield (kg per tree) | Cumulative yield (kg) | Alternate bearing index | Yield efficiency (kg.m−3)1 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | ||||
| Whit’s Late Valencia | 47.1 b2 | 120.3 a | 125.3 a | 128.7 a | 158.0 b | 103.8 c | 683.1 a | 0.20 b | 3.48 a |
| Cutter Valencia | 64.1 a | 89.8 b | 118.4 a | 123.7 a | 115.3 c | 98.0 c | 609.3 b | 0.10 c | 3.30 a |
| Berry Valencia | 49.5 b | 58.2 c | 73.4 b | 67.6 b | 145.5 b | 86.5 d | 480.3 c | 0.22 b | 2.45 b |
| Frost Valencia | 40.4 b | 59.6 c | 106.8 a | 84.5 b | 104.8 c | 102.5 c | 498.7 c | 0.20 b | 2.08 b |
| Valencia Mutação | 31.0 b | 115.1 a | 116.5 a | 118.1 a | 143.3 b | 74.5 e | 598.4 b | 0.23 b | 2.78 b |
| Valencia IAC | 43.0 b | 93.5 b | 104.5 a | 101.3 b | 132.7 c | 120.0 b | 594.9 b | 0.15 c | 3.70 a |
| Olinda Valencia | –3 | 46.4 c | 96.0 a | 74.3 b | 180.8 a | 72.5 e | 475.9 c | 0.34 a | 1.94 b |
| Chafeei Late Valencia | 46.9 b | 80.0 b | 100.6 a | 72.2 b | 125.5 c | 99.0 c | 524.2 c | 0.20 b | 2.38 b |
| Campbell 479 Valencia | 57.2 a | 90.6 b | 89.6 a | 97.2 b | 147.5 b | 117.8 b | 599.9 b | 0.14 c | 3.55 a |
| Campbell 294 Valencia | 54.4 a | 89.9 b | 91.5 a | 94.8 b | 143.0 b | 57.0 e | 530.4 c | 0.22 b | 2.98 a |
| Valencia Late 161 | 28.3 b | 52.9 c | 66.2 b | 80.2 b | 101.0 c | 64.0 e | 392.6 c | 0.22 b | 2.42 b |
| Valencia Late Fla. | 54.0 a | 84.1 b | 55.1 b | 111.8 a | 100.5 c | 101.5 c | 507.0 c | 0.17 c | 2.86 a |
| Valencia #121 | 45.7 b | 41.5 c | 83.1 b | 80.8 b | 152.0 b | 144.0 a | 547.2 c | 0.20 b | 2.33 b |
| Charmute de Brotas | 71.3 a | 74.1 c | 106.0 a | 104.5 a | 146.0 b | 87.1 d | 588.7 b | 0.14 c | 3.00 a |
| Natal África do Sul | 59.7 a | 114.0 a | 81.2 b | 141.2 a | 161.0 b | 89.0 d | 646.1 a | 0.22 b | 3.38 a |
| Natal IAC | 58.5 a | 83.4 b | 75.1 b | 79.2 b | 109.8 c | 65.8 e | 471.8 c | 0.14 c | 3.15 a |
| Natal Murcha | 34.5 b | 78.7 b | 66.3 b | 101.8 a | 124.3 c | 98.3 c | 503.8 c | 0.19 b | 3.46 a |
| Folha Murcha IAC | 54.1 a | 71.9 c | 61.7 b | 94.9 b | 112.2 c | 72.2 e | 466.9 c | 0.15 c | 3.15 a |
| IPR Folha Murcha | 45.0 b | 66.8 c | 78.4 b | 81.0 b | 126.5 c | 79.8 d | 477.5 c | 0.21 b | 3.23 a |
| CV (%) | 19.90 | 16.72 | 21.52 | 24.03 | 12.66 | 13.20 | 7.80 | 24.17 | 11.35 |
| F value | 4.03*** | 8.51*** | 3.40*** | 2.38* | 5.67*** | 9.88*** | 9.18*** | 3.77*** | 7.45*** |
1
Yield efficiency was based on the average yield from 2017 through 2021 and the canopy volume assessed in 2019.
2
Means followed by the same letter in the column belong to the same group according to the Scott-Knott’s test. Significance level: *p ≤ 0.05; ***p ≤ 0.001.
3
No data for the respective year.