| PHOTOVOLT | DIFFERENCE | USDA | ||||
| Clone | Stem | Bud | average | STEM - BUD | COLOR | |
| 1 | Ranger Russet | 45.8 | 48.0 | 46.9 | 4.1 | 0 |
| 2 | Russet Burbank | 44.8 | 40.5 | 42.7 | 4.4 | 0 |
| 3 | Russet Norkotah | 45.5 | 42.4 | 44.0 | 3.6 | 0 |
| 4 | Shepody | 48.5 | 39.5 | 44.0 | 9.1 | 0 |
| 5 | A9045-7 | 36.3 | 35.2 | 35.8 | 4.3 | 0 |
| 6 | A90586-11 | 47.0 | 46.2 | 46.6 | 3.1 | 0 |
| 7 | A9304-3 | 51.1 | 50.8 | 50.9 | 3.9 | 0 |
| 8 | A9305-10 | 44.3 | 45.7 | 45.0 | 3.9 | 0 |
| 9 | AC89536-5 | 41.8 | 39.8 | 40.8 | 3.2 | 0 |
| 10 | AC92009-4Ru | 50.5 | 49.2 | 49.8 | 2.9 | 0 |
| 11 | ATX9202-1Ru | 51.7 | 40.2 | 46.0 | 11.5 | 0 |
| 12 | ATX92230-1Ru | 48.9 | 48.5 | 48.7 | 3.5 | 0 |
| 13 | CO92077-2Ru | 39.2 | 40.1 | 39.6 | 2.5 | 0 |
| 14 | NDC5372-1Ru | 44.0 | 41.4 | 42.7 | 3.9 | 0 |
| 15 | Stampede Russet | 47.4 | 41.1 | 44.3 | 6.3 | 0 |
| 16 | TC1675-1Ru | 45.1 | 43.7 | 44.4 | 6.9 | 0 |
| LSD 0.05 | 3.2 | 2.9 | ||||
| Average | 45.7 | 43.3 | 44.5 | 4.8 | 0 | |
| * Average of 12 individual tuber absolute differences | ||||||
| Planting date: | March 21 | |||||
| Harvest date: | July 10 | |||||
| Fried on: | July 12 | |||||