Table 1 Effects of different crop load treatments on leaf area, SPAD, the total N content of leaves at the fruit maturity stage in 2014 and 2015.
Treatment | 2014 | 2015 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Leaf area (cm2) | SPAD (arbitrary units) | Pn (μmol·m2·s−1) | Total N content of leaves (g) | Root- shoot ratio | Leaf area (cm2) | SPAD (arbitrary units) | Pn (μmol·m2·s−1) | Total N content of leaves (g) | Root- shoot ratio | |
High-crop load (6.0 fruits cm−2 TCA) | 27.51 ± 0.5260 c | 48.36 ± 0.9341 c | 10.23 ± 0.5033c | 13.47 ± 0.2219 c | 0.31 ± 0.0275 c | 28.01 ± 0.3213 c | 47.89 ± 0.4821c | 9.78 ± 0.2926 c | 13.28 ± 1.1077 c | 0.34 ± 0.0156 c |
Medium-crop load (4.0 fruits cm−2 TCA) | 29.97 ± 0.4474 b | 52.37 ± 1.115 b | 11.83 ± 0.5508 b | 16.76 ± 1.0372 b | 0.35 ± 0.0164 b | 31.34 ± 0.9209 b | 53.70 ± 1.0782 b | 12.30 ± 0.3603 b | 19.18 ± 1.3471 b | 0.38 ± 0.0392 b |
Low-crop load (2.0 fruits cm−2 TCA) | 32.84 ± 0.7759 a | 55.70 ± 0.4795 a | 13.50 ± 0.2646 a | 24.23 ± 1.4333 a | 0.39 ± 0.0275 a | 34.92 ± 0.7427 a | 56.33 ± 2.0324 a | 14.06 ± 0.2517 a | 25.27 ± 0.6875 a | 0.43 ± 0.0269 a |
