Table 1
Temporary changes in the values of the spectral brightness coefficient at a wavelength of 800 nm in comparison with the data on the diseases development and the degree of winter wheat plants infestation in the crops of test plots
| Diseases pathogens/SBC values | Kuren variety | Bonus variety | Aksinya variety | Variety Krasnodarskaya 99 | ||||||||||
| 1*** | 2 | 3 | 1 | 2 | 3 | 1 | 2 | 3 | 1 | 2 | 3 | |||
| 26-29.04.2019; Phase Z 40-47 «flag-leaf» | ||||||||||||||
| B. graminis | R,%* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| N, pcs** | 150 | 80 | 310 | 263 | 69 | 355 | 216 | 65 | 298 | 329 | 86 | 220 | ||
| P. triticina | R,%* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| N,pcs** | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | ||
| P. striiformis | R,%* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| N,pcs** | 2 | 7 | 6 | 4 | 3 | 9 | 3 | 3 | 2 | 1 | 6 | 4 | ||
| S. tritici | R,%* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| N,pcs** | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| P. triticirepentis | R,%* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| N,pcs** | 2 | 1 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 2 | 3 | 4 | ||
| SBC values | 0,48 | 0,48 | 0,47 | 0,46 | 0,47 | 0,47 | 0,48 | 0,48 | 0,48 | 0,46 | 0,46 | 0,46 | ||
| 1-2.04.2019; Phase Z 40-47 «flag-leaf» | ||||||||||||||
| B. graminis | R,%* | 0,1 | 0 | 0,1 | 0,1 | 0 | 0,1 | 0,1 | 0,1 | 0,1 | 1 | 0 | 0,1 | |
| N,pcs** | 110 | 30 | 62 | 67 | 32 | 56 | 110 | 36 | 164 | 193 | 47 | 122 | ||
| P. triticina | R,%* | 0 | 0 | 0 | 0 | 0 | 0 | 0,1 | 0 | 0,1 | 0,1 | 0,1 | 0,1 | |
| N,pcs** | 2 | 2 | 5 | 4 | 2 | 3 | 1 | 1 | 3 | 4 | 9 | 5 | ||
| P. striiformis | R,%* | 0,1 | 0 | 0,1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| N,pcs** | 23 | 1 | 4 | 3 | 1 | 2 | 33 | 17 | 7 | 7 | 16 | 1 | ||
| S. tritici | R,%* | 0,1 | 0 | 0,1 | 0,1 | 0 | 0,1 | 0,1 | 0 | 0 | 0,1 | 0 | 0,1 | |
| N,pcs** | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| P. triticirepentis | R,%* | 0,1 | 0 | 0,1 | 0,1 | 0 | 0,1 | 0,1 | 0 | 0,1 | 0,1 | 0 | 0,1 | |
| N,pcs** | 1 | 1 | 2 | 1 | 1 | 4 | 4 | 1 | 11 | 1 | 1 | 2 | ||
| SBC values | 0,49 | 0,51 | 0,48 | 0,48 | 0,53 | 0,53 | 0,49 | 0,54 | 0,49 | 0,49 | 0,52 | 0,51 | ||
| 10.05.2019; Phase Z 61 «beginning of flowering» | ||||||||||||||
| B. graminis | R,%* | 5 | 3 | 3 | 3 | 3 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | |
| N,pcs** | 200 | 66 | 300 | 47 | 100 | 323 | 115 | 66 | 236 | 153 | 35 | 180 | ||
| P. triticina | R,%* | 0 | 0 | 0 | 1 | 0 | 0,1 | 1 | 0 | 0,1 | 5 | 1 | 5 | |
| N,pcs** | 2 | 2 | 10 | 10 | 1 | 10 | 2 | 1 | 1 | 33 | 23 | 54 | ||
| P. striiformis | R,%* | 10 | 0 | 1 | 10 | 5 | 10 | 10 | 0,1 | 1 | 5 | 1 | 5 | |
| N,pcs** | 2 | 1 | 10 | 16 | 11 | 18 | 14 | 2 | 12 | 2 | 1 | 13 | ||
| S. tritici | R,%* | 3 | 3 | 3 | 1 | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | |
| N,pcs** | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| P. triticirepentis | R,%* | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| N,pcs** | 4 | 0 | 3 | 1 | 0 | 3 | 13 | 10 | 11 | 6 | 6 | 7 | ||
| SBC values | 0,49 | 0,36 | 0,45 | 0,36 | 0,41 | 0,41 | 0,42 | 0,44 | 0,44 | 0,47 | 0,47 | 0,48 | ||
* – The average rate of the disease development %;
** – Number of pathogen spores, pcs;
***- 1 – infected bakcground, 2 – control (fungicide treatment), 3 – natural background
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