生长指标 | 处理时间/天 | 光照强度/勒克斯 | |||||
400 | 1500 | 2000 | 2500 | 3000 | 3500 | ||
叶片数/片 | 28 | 3.80 ± 0.20e | 4.27 ± 0.12d | 5.33 ± 0.12a | 5.26 ± 0.23ab | 5.00 ± 0.20b | 4.67 ± 0.12c |
56 | 2.33 ± 0.12e | 4.33 ± 0.20d | 6.33 ± 0.20a | 5.67 ± 0.12b | 5.33 ± 0.20c | 5.26 ± 0.23c | |
84 | - | 7.61 ± 0.52b | 14.60 ± 1.71a | 14.08 ± 0.64a | 13.07 ± 0.90a | 12.73 ± 0.84a | |
叶柄长/厘米 | 28 | 4.15 ± 0.05b | 4.25 ± 0.15b | 5.08 ± 0.21a | 5.00 ± 0.32a | 4.37 ± 0.23b | 4.20 ± 0.21b |
56 | 3.47 ± 0.03d | 4.70 ± 0.09c | 5.57 ± 0.03a | 5.51 ± 0.05a | 5.34 ± 0.10b | 5.24 ± 0.14b | |
84 | - | 4.97 ± 0.18c | 6.76 ± 0.13a | 6.71 ± 0.38a | 6.54 ± 0.06ab | 6.30 ± 0.16b | |
叶柄直径/毫米 | 28 | 2.09 ± 0.11c | 2.56 ± 0.12b | 2.88 ± 0.17a | 2.89 ± 0.14a | 2.66 ± 0.13b | 2.59 ± 0.12b |
56 | 2.04 ± 0.02d | 2.68 ± 0.13c | 3.20 ± 0.04a | 3.16 ± 0.02a | 3.04 ± 0.02b | 3.01 ± 0.05b | |
84 | - | 2.83 ± 0.03b | 3.44 ± 0.12a | 3.39 ± 0.17a | 3.36 ± 0.06a | 3.35 ± 0.10a | |
叶面积/厘米2 | 28 | 14.75 ± 0.15c | 18.56 ± 0.17b | 26.34 ± 0.22a | 25.05 ± 0.21a | 21.57 ± 0.09b | 20.08 ± 0.13b |
56 | 10.18 ± 0.20f | 21.11 ± 0.46e | 34.29 ± 0.70a | 31.77 ± 0.74b | 28.99 ± 0.36c | 26.24 ± 0.19d | |
84 | - | 27.13 ± 0.55c | 42.33 ± 0.28a | 38.45 ± 0.41ab | 37.99 ± 0.40b | 36.16 ± 0.19b |