Field location1 | Variety | Generation | Growth period (DAT)2 | Flowering period (DAT)2 | Culm length (cm)3 | Panicle length (cm)3 | Panicle number3 | Spikelet number3 | Fertility (%)3 | Hundred-grain weight (g)3 | Grain yield4 |
---|---|---|---|---|---|---|---|---|---|---|---|
Field A (2018) | CSA | – | 146 | 64 | 90.67 ± 0.67 | 27.50 ± 0.50 | 9.67 ± 0.33 | 145.78 ± 6.41 | 89.03 ± 0.93 | 2.56 ± 0.03 | 25.49 ± 2.03 |
CSA-Pi9 | BC2F5 | 146 | 64 | 81.00 ± 1.73* | 27.17 ± 0.60 | 11.00 ± 1.53 | 187.22 ± 9.02** | 90.15 ± 1.34*** | 1.99 ± 0.01*** | 36.40 ± 0.53* | |
Field A (2019) | CSA | – | 135 | 91 | 75.45 ± 0.57 | 25.02 ± 0.50 | 9.72 ± 0.47 | 141.56 ± 3.35 | 95.40 ± 0.76 | 2.66 ± 0.01 | 30.75 ± 1.22 |
CSA-Pi9 | BC2F7 | 135 | 76 | 66.83 ± 1.20*** | 25.40 ± 0.37 | 8.50 ± 0.47 | 182.67 ± 2.71*** | 93.64 ± 0.55 | 2.58 ± 0.01** | 27.95 ± 1.43 | |
Field B | CSA | – | 128 | 92 | 73.40 ± 1.21 | 23.67 ± 1.20 | 15.33 ± 0.33 | 129.13 ± 3.11 | 65.95 ± 1.80 | 2.34 ± 0.02 | 32.63 ± 3.70 |
CSA-Pi9 | BC2F7 | 128 | 77 | 69.57 ± 1.07** | 22.83 ± 0.48 | 14.67 ± 0.88 | 122.75 ± 5.39 | 93.29 ± 1.73*** | 2.19 ± 0.03* | 32.00 ± 3.43 | |
Field C | CSA | – | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. |
CSA-Pi9 | BC2F7 | 141 | 91 | n.d. | n.d. | n.d. | n.d. | n.d. | 1.86 ± 0.04 | 18.56 |