类群 Cluster | 材料代号 Code of germplasm | 个数 Number | 频率(%) Frequency | 判别模型 Discrimination mode | 类平均Mean of cluster | Pn [μmolCO2/(m2·s)] | WUE (μmolCO2/mmolH2O) | A1 | 43,50,51,55,60,70,81,86,89,90,91,101 | 12 | 11.88 | Y=5.13Pn+27.43WUE-178.00 | 44.48±3.18a | 4.65±0.23d | A2 | 2,23,25,32,40,72,95 | 7 | 6.93 | Y=4.93Pn+32.82WUE-196.69 | 42.64±1.94a | 5.58±0.28c | B1 | 1,21,28,31,35,44,49,54,56,59,62,64,67,68,83,87,96,99 | 18 | 17.82 | Y=4.22Pn+27.89WUE-143.35 | 36.55±2.14b | 4.74±0.41d | B2
| 4,16,19,22,26,30,33,38,41,42,46,47,48,61,63,65,71,73,74, 76,82,88,94 | 23
| 22.77
| Y=3.50Pn+29.43WUE-126.66
| 30.20±2.47c
| 5.02±0.43d
| C | 3,5,11,20,27,36,37,39,52,53,69,77,78,79,85,97,98,100 | 18 | 17.82 | Y=2.77Pn+23.03WUE-78.25 | 23.89±3.24d | 3.93±0.52e | D | 14,24,34,45,66 | 5 | 4.95 | Y=1.70Pn+21.69WUE-52.57 | 14.56±2.78e | 3.71±0.52e | E | 57 | 1 | 0.99 | Y=1.65Pn+11.46WUE-22.93 | 14.26e | 1.95f | F | 6,7,8,10,12,15,29,75,92,93 | 10 | 9.90 | Y=4.38Pn+40.47WUE-222.45 | 37.77±3.77b | 6.90±0.45b | G | 9,18,58,80 | 4 | 3.96 | Y=2.77Pn+37.32WUE-151.95 | 23.76±4.70d | 6.38±0.32b | H | 13,17,84 | 3 | 2.97 | Y=2.64Pn+45.82WUE-209.44 | 22.52±4.71d | 7.84±0.09a |
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