The flax cultivar CISJU21, developed by the crop breeding program of the UNIJUÍ, was the result of selection for plants with early flowering, a shorter cycle, greater capsule diameter, optimized weight and higher number of grains per plant, with high yield stability and grain yield in the tested scenarios.
Keywords:
Linum usitatissimum L.; phenotypic plasticity; innovation; sustainability
| Cultivars | 2020 | 2021 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| PH | NSB | NGP | TGW | GY | PH | NSB | NGP | TGW | GY | ||
| CISJU 21 | 78.9a | 4.67a | 64.24a | 5.17a | 1267.48a | 70.50a | 2.88a | 82.47a | 1.92a | 962.15a | |
| CDC Sorrel (check) | 81.05a | 4.72a | 75.02a | 4.26b | 1054.73b | 70.27a | 2.66a | 80.33a | 1.53b | 745.66b | |
| G Var (check)* | 74.53b | 4.25a | 66.03a | 4.11b | 1052.21b | 68.19a | 3.00a | 85.85a | 1.54b | 756.18b | |
| Cultivation environments | |||||||||||
| Environments | 2020 | 2021 | 2022 | ||||||||
| PH | NSB | NGP | TGW | GY | PH | NSB | NGP | TGW | GY | NGP | |
| E1 | 93.31a | 5.26a | 86.25a | 4.50b | 788.46c | 88.66a | 2.77b | 90.30b | 1.71a | 887.78a | 108.49a |
| E2 | 87.31b | 5.43a | 94.50a | 5.09a | 1099.82b | 74.16b | 2.11b | 67.06b | 1.66a | 827.50b | 113.59a |
| E3 | 85.62b | 4.22b | 67.58b | 4.67a | 1239.95b | 69.66b | 2.44b | 84.35b | 1.69a | 748.25b | 123.55a |
| E4 | 77.53c | 4.63b | 68.42b | 4.37b | 1431.14a | 64.66c | 4.11a | 68.97b | 1.64a | 741.01b | 84.40b |
| E5 | 66.51d | 4.11b | 63.33b | 4.43b | 1321.38a | 61.44c | 3.33a | 75.15b | 1.62a | 788.32b | 85.20b |
| E6 | 58.68e | 3.63b | 30.51c | 4.02b | 868.09c | 59.33c | 2.33b | 111.48a | 1.64a | 935.11a | 102.65a |
| Environments | CULTIVARS | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CISJU 21 | CDC Sorrel (check) | G Var (check) | CISJU 21 | CDC Sorrel (check) | G Var (check) | CISJU 21 | CDC Sorrel (check) | G Var (check) | CISJU 21 | CDC Sorrel (check) | G Var (check) | |
| PH | NSB | TGW | GY | |||||||||
| E1 | 70.40bB | 81.33aA | 76.20aA | 4.75aA | 5.82aA | 4.00aA | 4.90aA | 3.18aB | 3.55aB | 945.52aA | 837.94aA | 792.38aA |
| E2 | 84.60aA | 82.06aA | 67.40aB | 5.35aA | 5.35aA | 4.15aA | 3.51aB | 2.97aB | 4.65aA | 1167.50aA | 954.67aB | 788.61aB |
| E3 | 74.06bA | 81.40aA | 75.20aA | 4.46aA | 4.53aA | 4.51aA | 3.70aA | 3.00aA | 3.41aA | 990.81aA | 1010.49aA | 1018.02aA |
| E4 | 76.20bA | 76.93aA | 70.73aA | 2.60bA | 3.33bA | 2.40aA | 3.93aA | 3.92aA | 2.79aA | 1314.69aA | 1202.84aA | 1011.05aB |
| E5 | 80.00aA | 80.76aA | 75.53aA | 2.73bA | 3.26aA | 3.70aA | 4.45aA | 4.12aA | 3.42aA | 1087.48aA | 1040.29aA | 1067.45aA |
| E6 | 70.60bA | 76.60aA | 70.58aA | 2.20bB | 3.00aB | 4.71aA | 4.50aA | 4.04aA | 3.44aA | 1109.43aA | 984.72aA | 1188.57aA |
| Season | CYCLE | |||||||||||
| E1 | E2 | E3 | E4 | E5 | E6 | |||||||
| 2020 | 173 bA | 168 bB | 157 bD | 138 aE | 134 cF | 163 aC | ||||||
| 2021 | 188 aA | 177 aB | 163 aC | 162 aC | 142 bD | 135 bE | ||||||
| 2022 | 173 bA | 158 cC | 143 cE | 162 bB | 147 aD | 132 bF | ||||||
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