BRS 429 is a sweet cassava cultivar with yellow pulp and technological qualities (high root yield, early maturity, and favorable plant architecture) and sensory qualities (short cooking time, little fiber, and soft texture) that make it an excellent option for cultivation in the Distrito Federal, Paraná, and São Paulo, Brazil.
Keywords:
Manihot esculenta Crantz; plant breeding; culinary qualities; short cooking time
| Root yield (t ha-1) | Percentage of commercializable roots (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cultivar | MCR | DN | DN | ST | Mean | DN | DN | ST | Mean |
| (14/15) | (15/16) | (16/17) | (17/18) | (15/16) | (16/17) | (17/18) | |||
| BRS 429 | 19.0 A* | 24.8 A | 27.1 A | 28.8 A | 24.9 | 84.4 A | 93.0 A | 90.6 A | 89.3 |
| IAC 576-70 | - | 18.2 B | 20.4 B | 19.8 B | 19.5 | 72.8 B | 66.3 C | 90.6 A | 76.6 |
| IAPAR 19 | 12.5 B | 21.0 B | 19.7 B | 27.3 A | 20.1 | 70.6 B | 85.8 B | 90.6 A | 82.3 |
| BRS 399 | - | 26.2 A | 20.8 B | 26.9 A | 24.6 | 71.2 B | 88.2 B | 91.1 A | 83.5 |
| Mean - check cultivars | 12.5 | 21.8 | 20.3 | 24.7 | 19.8 | 71.5 | 80.1 | 90.8 | 80.8 |
| Superiority (%) | 52.0** | 13.8 | 33.5 | 16.6 | 25.7 | 18.0 | 16.1 | 0.0 | 10.5 |
| Root yield (t ha-1) | Percentage of commercializable roots (%) | ||||||
|---|---|---|---|---|---|---|---|
| Cultivar | BD | LM | Mean | BD | LM | Mean | |
| BRS 429 | 24.1 A* | 15.2 A | 19.7 | 82.0 A | 92.1 A | 87.1 | |
| IAC 576-70 | 10.5 B | 9.9 B | 10.2 | 73.6 B | 92.0 A | 82.8 | |
| IAPAR 19 | 16.5 B | 14.2 A | 15.4 | 72.9 B | 94.9 A | 84.1 | |
| Mean - check cultivars | 13.5 | 12.1 | 12.8 | 73.3 | 93.5 | 83.5 | |
| Superiority (%) | 78.5** | 25.6 | 53.9 | 11.9 | -1.5 | 4.3 | |
| Location | Geographic coordinates | Altitude (m) | Planting date (dd/mm/yyyy) | Harvest date (dd/mm/yyyy) | Cycle in months | |
|---|---|---|---|---|---|---|
| S | W | |||||
| 1. Planaltina, DF | 15º45.625’ | 47º35.254’ | 813 | 01/02/2018 | 01/11/2018 | 9 |
| 2. Paranoá, DF | 15º59.650’ | 47º34.992’ | 1034 | 15/08/2018 | 30/05/2019 | 10 |
| 3. Planaltina de Goiás, GO | 15º27.923’ | 47º38.603’ | 926 | 21/08/2018 | 26/06/2019 | 10 |
| 4. Planaltina, DF | 15º38.663’ | 47º40.951’ | 957 | 06/06/2019 | 15/05/2020 | 11 |
| 5. Paranoá, DF | 15º59.650’ | 47º34.992’ | 1034 | 23/06/2019 | 29/05/2020 | 11 |
| 6. Gama, DF | 15º59.796’ | 48º07.191’ | 954 | 28/06/2019 | 12/06/2020 | 12 |
| 7. Gama, DF | 15º59.927’ | 48º07.398’ | 928 | 28/06/2019 | 12/06/2020 | 12 |
| 8. Planaltina de Goiás, GO | 15º27.923’ | 47º38.603’ | 926 | 21/07/2019 | 22/06/2020 | 11 |
| 9. Planaltina, DF | 15º45.634’ | 47º35.251’ | 978 | 01/08/2019 | 16/06/2020 | 11 |
| 10. Paranoá, DF | 15º59.650’ | 47º34.992’ | 1034 | 07/06/2020 | 27/05/2021 | 12 |
| 11. Paranoá, DF | 15º58.347’ | 47º30.046’ | 913 | 01/06/2020 | 21/05/2021 | 12 |
| 12. Gama, DF | 15º59.796’ | 48º07.191’ | 954 | 26/06/2020 | 14/05/2021 | 11 |
| 13. Gama, DF | 16º00.049’ | 48º07.156’ | 925 | 01/08/2020 | 04/08/2021 | 12 |
| 14. Planaltina de Goiás, GO | 15º27.923’ | 47º38.603’ | 926 | 05/08/2020 | 06/05/2021 | 9 |
| 15. Planaltina, DF | 15º37.843’ | 47º31.310’ | 1010 | 27/08/2020 | 21/07/2021 | 11 |
| 16. Planaltina, DF | 15º40.643’ | 47º38.184’ | 968 | 10/09/2020 | 15/06/2021 | 9 |
| 17. Paranoá, DF | 15º27.923’ | 47º38.603’ | 926 | 01/10/2020 | 06/08/2021 | 10 |
| 18. Brazlândia, DF | 15º43.424’ | 48º11.183’ | 1065 | 23/10/2020 | 10/08/2021 | 10 |
| 19. São Sebastião, DF | 15º53.702’ | 47º43.183’ | 950 | 06/11/2020 | 13/10/2021 | 11 |
| 20. São Sebastião, DF | 15º54.595’ | 47º43.335’ | 955 | 10/11/2020 | 22/09/2021 | 11 |
| 21. Planaltina, DF | 15º40.184’ | 47º38.383’ | 963 | 30/11/2020 | 25/10/2021 | 11 |
| 22. Recanto das Emas, DF | 15º54.041’ | 48º04.817’ | 1156 | 05/12/2020 | 03/11/2021 | 11 |
| 23. Paranoá, DF | 15º44.669’ | 47º44.025’ | 1125 | 05/11/2020 | 04/11/2021 | 12 |
| Location | FBH (m) | PH (M) | RY (kg ha-1) | RS (%) | ||||
|---|---|---|---|---|---|---|---|---|
| BRS 429 | IAC 576-70 | BRS 429 | IAC 576-70 | BRS 429 | IAC 576-70 | BRS 429 | IAC 576-70 | |
| 1 | 1.50 | 0.80 | 2.80 | 2.50 | 31.67 | 25.33 | 25.31 | 25.01 |
| 2 | 1.75 | 0.80 | 3.20 | 2.80 | 46.15 | 38.30 | 30.61 | 30.01 |
| 3 | 1.05 | 0.75 | 2.70 | 1.80 | 41.20 | 28.84 | 29.49 | 28.54 |
| 4 | 1.80 | 0.95 | 2.80 | 2.30 | 36.25 | 29.36 | 30.53 | 30.01 |
| 5 | 1.80 | 0.95 | 3.30 | 2.80 | 71.84 | 56.75 | 33.73 | 32.98 |
| 6 | 1.05 | 0.75 | 2.00 | 1.80 | 45.00 | 32.40 | 30.95 | 30.54 |
| 7 | 1.90 | 1.00 | 3.10 | 2.85 | 49.60 | 32.74 | 29.10 | 29.00 |
| 8 | 0.90 | 0.70 | 1.90 | 1.80 | 105.63 | 52.94 | 30.23 | 29.01 |
| 9 | 1.50 | 0.80 | 3.00 | 2.85 | 36.52 | 32.14 | 28.13 | 27.65 |
| 10 | 1.50 | 0.70 | 2.50 | 2.20 | 61.08 | 40.98 | 29.93 | 29.04 |
| 11 | 1.25 | 0.65 | 2.60 | 2.35 | 76.43 | 43.50 | 33.25 | 32.58 |
| 12 | 1.30 | 0.45 | 2.50 | 1.60 | 42.48 | 25.91 | 30.18 | 30.53 |
| 13 | 2.15 | 0.90 | 3.30 | 2.80 | 54.17 | 47.67 | 28.65 | 28.04 |
| 14 | 1.25 | 0.55 | 2.25 | 2.00 | 47.27 | 33.29 | 30.65 | 29.85 |
| 15 | 1.80 | 1.00 | 3.10 | 3.00 | 71.54 | 50.00 | 29.34 | 29.10 |
| 16 | 1.05 | 0.75 | 2.30 | 2.20 | 54.00 | 32.92 | 31.78 | 30.89 |
| 17 | 2.00 | 1.00 | 3.90 | 2.95 | 35.33 | 22.97 | 28.34 | 28.24 |
| 18 | 1.25 | 0.70 | 2.90 | 2.70 | 56.98 | 39.57 | 31.09 | 30.58 |
| 19 | 1.68 | 0.65 | 1.10 | 0.95 | 45.08 | 37.87 | 32.50 | 31.58 |
| 20 | 1.56 | 0.55 | 1.20 | 1.00 | 38.49 | 29.64 | 30.25 | 29.57 |
| 21 | 1.55 | 0.75 | 2.00 | 2.30 | 33.63 | 28.24 | 27.01 | 22.65 |
| 22 | 1.00 | 0.70 | 2.00 | 1.80 | 48.13 | 37.92 | 27.43 | 24.38 |
| 23 | 0.45 | 0.30 | 1.50 | 1.20 | 28.44 | 20.46 | 26.14 | 25.87 |
| Mean | 1.40* | 0.74* | 2.47 | 2.18 | 51.15* | 36.11* | 29.97 | 29.12 |
