| Treatment | CuSO4 (ppm) | Sol. Carb. | % | Sol. Pro. | % | |
| cv. Assiut 84 | 0 | 10.74 | 100 | 59.70 | 100 | |
| CuSO4 | 100 | 12.10* | 112.66 | 55.97 | 93.75 | |
| 200 | 15.33** | 142.78 | 53.73* | 90.00 | ||
| 350 | 13.71** | 127.72 | 47.39** | 79.37 | ||
| CuSO4 + IAA | 0 | 9.83 | 91.57 | 139.42** | 233.54 | |
| 100 | 10.74 | 100 | 184.04** | 308.27 | ||
| 200 | 11.64 | 108.44 | 166.35** | 278.63 | ||
| 350 | 14.68** | 136.75 | 162.89** | 272.83 | ||
| L. S. D. 0.05% |
| 0.84 |
| 0.39 |
| |
| cv. Assiut 125 | 0 | 6.68 | 100 | 46.27 | 100 | |
| CuSO4 | 100 | 7.12 | 106.53 | 41.42** | 89.52 | |
| 200 | 7.89** | 118.15 | 40.30** | 87.10 | ||
| 350 | 5.11** | 76.51 | 39.54** | 85.45 | ||
| CuSO4 + IAA | 0 | 11.26** | 168.51 | 139.42** | 301.33 | |
| 100 | 13.39** | 200.48 | 113.08** | 244.39 | ||
| 200 | 15.85** | 237.27 | 118.85** | 256.86 | ||
| 350 | 9.51** | 142.36 | 93.65** | 202.41 | ||
| L. S. D. 0.05% | L. S. D. 0.05% | 0.83 |
| 0.28 |
| |