|
1997 Sunflower Grower Survey of Pest Problems and Pesticide Use |
Table 60. Percent Sclerotinia head rot in 1997.
| Percent Sclerotinia Head Rot | Kansas | Minnesota | North Dakota | South Dakota |
-- % respondents -- |
||||
| <10 | 63.6 | 65.6 | 80.9 | 72.7 |
| 11-20 | 0 | 18.8 | 8.8 | 22.7 |
| 21-30 | 18.2 | 9.4 | 5.9 | 0 |
| 31-40 | 9.1 | 0 | 4.4 | 0 |
| 41-50 | 0 | 6.3 | 0 | 4.5 |
| 51-60 | 0 | 0 | 0 | 0 |
| 61-70 | 0 | 0 | 0 | 0 |
| 71-80 | 0 | 0 | 0 | 0 |
| 81-90 | 9.1 | 0 | 0 | 0 |