The sweet cassava cultivars BRS 396, BRS 397, BRS 398 and BRS 399, were selected through 27 participatory tests conducted at Distrito Federal, Brazil. Their agronomic performance and their high level of acceptance among producers qualify them as a new crop option for cultivation in the region.
Keywords:
Manihot esculenta Crantz; participatory plant breeding; sensory qualities
| Clones | Preference order | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1° | 2° | 3° | 4° | 5° | 6° | 7° | 8° | 9º | 10º | 11º | |
| BRS 399 | 11 | 10 | 0 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
| BRS 397 | 4 | 4 | 8 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | 0 |
| BRS 396 | 3 | 4 | 12 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| BRS 398 | 4 | 4 | 2 | 4 | 4 | 6 | 2 | 1 | 0 | 0 | 0 |
| IAC 576-70 | 1 | 2 | 4 | 4 | 6 | 6 | 2 | 2 | 0 | 0 | 0 |
| 215/08 | 4 | 1 | 0 | 3 | 3 | 6 | 5 | 1 | 2 | 2 | 0 |
| 450/08 | 0 | 1 | 0 | 1 | 1 | 2 | 11 | 1 | 5 | 2 | 3 |
| 26/08 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 1 | 4 | 11 |
| 90/08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 |
| 91/08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 4 | 1 |
| 94/08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 4 |
| 83/08 | 0 | 0 | 1 | 0 | 1 | 2 | 3 | 5 | 2 | 2 | 1 |
| 259/08 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 4 | 4 | 5 | 1 |
| 246/08 | 0 | 1 | 0 | 1 | 2 | 2 | 2 | 3 | 3 | 2 | 1 |
| Clones | Preference order | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1° | 2° | 3° | 4° | 5° | 6° | 7° | 8° | 9º | 10º | 11º | |
| BRS 399 | 40.74 | 77.78 | 77.78 | 88.89 | 96.30 | 96.30 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| BRS 397 | 14.81 | 29.63 | 59.26 | 77.78 | 92.59 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| BRS 396 | 11.11 | 25.93 | 70.37 | 92.59 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| BRS 398 | 14.81 | 29.63 | 37.04 | 51.85 | 66.67 | 88.89 | 96.30 | 100.00 | 100.00 | 100.00 | 100.00 |
| IAC 576-70 | 3.70 | 11.11 | 25.93 | 40.74 | 62.96 | 85.19 | 92.59 | 100.00 | 100.00 | 100.00 | 100.00 |
| 215/08 | 14.81 | 18.52 | 18.52 | 29.63 | 40.74 | 62.96 | 81.48 | 85.19 | 92.59 | 100.00 | 100.00 |
| 450/08 | 0.00 | 3.70 | 3.70 | 7.41 | 11.11 | 18.52 | 59.26 | 62.96 | 81.48 | 88.89 | 100.00 |
| 26/08 | 0.00 | 0.00 | 0.00 | 0.00 | 3.70 | 3.70 | 3.70 | 40.74 | 44.44 | 59.26 | 100.00 |
| 90/08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 50.00 | 100.00 |
| 91/08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 50.00 | 90.00 | 100.00 |
| 94/08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 50.00 | 60.00 | 100.00 |
| 83/08 | 0.00 | 0.00 | 5.88 | 5.88 | 11.76 | 23.53 | 41.18 | 70.59 | 82.35 | 94.12 | 100.00 |
| 259/08 | 0.00 | 0.00 | 0.00 | 0.00 | 5.88 | 11.76 | 17.65 | 41.18 | 64.71 | 94.12 | 100.00 |
| 246/08 | 0.00 | 5.88 | 5.88 | 11.76 | 23.53 | 35.29 | 47.06 | 64.71 | 82.35 | 94.12 | 100.00 |
| Clones | APR | AP | PPA | PR | TC | HCN |
|---|---|---|---|---|---|---|
| BRS 399 | 0.81 H1 | 2.16 H | 30280 H | 40988 H | 24.39 H | 25-40 |
| BRS 397 | 0.77 H | 2.10 H | 31342 H | 35660 H | 23.84 H | 25-40 |
| BRS 396 | 0.62 H | 1.93 | 24308 | 35420 H | 21.38 | 25-40 |
| BRS 398 | 0.70 | 1.77 | 20540 | 31373 | 23.42 H | 25-40 |
| 215/08 | 0.72 H | 1.84 | 19357 | 29779 | 24.48 H | 25-40 |
| 450/08 | 0.69 H | 1.96 | 32318 H | 24922 | 21.16 | 40-60 |
| 26/08 | 0.59 | 1.67 | 20018 | 17184 L | 18.69 | 25-40 |
| 90/08 | 0.51 | 1.42 L | 9312 L | 13178 L | 21.40 | 40-60 |
| 91/08 | 0.59 | 1.47 L | 10405 L | 17352 L | 20.63 | 25-40 |
| 94/08 | 0.50 | 1.47 L | 13974 L | 15486 L | 25.40 H | 25-40 |
| 83/08 | 0.65 | 1.79 | 19794 | 28573 | 20.44 | 25-40 |
| 259/08 | 1.05 H | 2.51 H | 35641 H | 26738 | 18.88 | 40-60 |
| 246/08 | 0.56 | 2.15 | 29019 | 32583 | 21.50 | 40-60 |
| IAC 576-70 (control variety) | 0.54 | 1.78 | 22167 | 30832 | 18.93 | 25-40 |
Thumbnail
