| № | Varieties | 3rd day | 4th day | 7th day | 14th day |
| 1 | Nevskiy | − | +− | +++ | ++++ |
| 2 | Picasso | + | ++ | ++++ | ++++ |
| 3 | Sante | − | − | ++ | +++ |
| 4 | Control | − | − | − | − |