Table 1 Direct measurement, estimation by Methods 1 and 2, and the corresponding error percentages of leaf area, leaf length, leaf width, stem height and stem width for the whole plant
| Â | Leaf number | Direct measurement | Method 1 | Method 2 | |||
|---|---|---|---|---|---|---|---|
Estimation | Error percentage (%) | Estimation | Error percentage (%) | ||||
Leaf area (cm2) | 1 | 12.9 | 13.3 | 3.3 | 13.3 | 3.1 | |
2 | 14.9 | 15.5 | 4.0 | 15.4 | 3.8 | ||
3 | 19.1 | 19.9 | 4.4 | 20.6 | 8.2 | ||
4 | 19.0 | 19.5 | 2.6 | 20.7 | 8.9 | ||
5 | 9.2 | 9.5 | 3.9 | 10.4 | 13.3 | ||
6 | 10.0 | 10.4 | 4.2 | 10.7 | 7.6 | ||
Average | 14.2 | 14.7 | 3.7 | 15.2 | 7.5 | ||
Leaf length (mm) | 1 | 49.1 | 49.2 | 0.2 (0.1) | 49.4 | 0.6 (0.3) | |
2 | 52.4 | 52.1 | 0.6 (0.3) | 52.2 | 0.4 (0.2) | ||
3 | 58.2 | 57.1 | 1.9 (1.1) | 57.4 | 1.3 (0.8) | ||
4 | 55.2 | 54.0 | 2.2 (1.2) | 56.7 | 2.7 (1.5) | ||
5 | 42.9 | 42.6 | 0.7 (0.3) | 44.3 | 3.3 (1.4) | ||
6 | 42.9 | 43.8 | 2.1 (0.9) | 43.4 | 1.2 (0.5) | ||
Average | 50.1 | 49.8 | 1.3 (0.7) | 50.57 | 1.6 (0.8) | ||
Leaf width (mm) | 1 | 34.3 | 35.8 | 4.4 (1.5) | 35.7 | 4.1 (1.4) | |
2 | 33.8 | 34.7 | 2.7 (0.9) | 36.7 | 8.6 (2.9) | ||
3 | 42.6 | 40.5 | 4.9 (2.1) | 41.9 | 1.6 (0.7) | ||
4 | 44.2 | 43.7 | 1.1 (0.5) | 45.0 | 1.8 (0.8) | ||
5 | 28.9 | 29.2 | 1.0 (0.3) | 30.7 | 6.2 (1.8) | ||
6 | 30.0 | 31.3 | 4.3 (1.3) | 31.4 | 4.7 (1.4) | ||
Average | 35.6 | 35.9 | 3.1 (1.1) | 36.9 | 4.5 (1.5) | ||
Stem (mm) | Height | Part 1a | 18.0 | 17.5 | 2.8 (0.5) | NG | NG |
Part 2b | 16.0 | 16.3 | 1.9 (0.3) | 15.4 | 3.75 | ||
Part 3c | 18.0 | 17.5 | 2.8 (0.5) | NG | NG | ||
Average | 17.3 | 17.1 | 2.5 (0.4) | NG | NG | ||
Width | Part 1a | 3.9 | 3.8 | 2.6 (0.1) | NG | NG | |
Part 2b | 3.5 | 3.3 | 5.7 (0.2) | 3.3 | 5.71 | ||
Part 3c | 3.0 | 3.1 | 3.3 (0.1) | NG | NG | ||
Average | 3.5 | 3.4 | 3.9 (0.1) | NG | NG | ||