| Aphids |
150 per row ft. |
150 per row ft or25 per head |
25 per head |
| Cereal leaf beetle |
25 eggs and/or larvae per100 tillers with 50-60% in the larval stage( for areas with high potential) OR0.5 per leaf( flag leaf and next 2 stem leaves) and 10% defoliation (wheat and barley)2 per flag leaf (oats) |
25 eggs and/or larvae per100 tillers with 50-60% in the larval stage( for areas with high potential) OR0.5 per leaf( flag leaf and next 2 stem leaves) and 10% defoliation (wheat and barley)2 per flag leaf (oats) |
25 eggs and/or larvae per 100 tillers with 50-60% in the larval stage( for areas with high potential) OR0.5 per leaf( flag leaf and next 2 stem leaves) and 10% defoliation (wheat and barley)2 per flag leaf (oats) |
| Grass sawfly * |
0.4 per row ft. (late April) |
0.4 per row ft. |
0.4 per row ft. (early June) |
| True armyworm * |
|
Barley - 1 per row ft.Wheat - 2 per row ft. |
Barley - 1 per row ft.Wheat - 2 per row ft. |
| Powdery Mildew (wheat) |
For Feeke's scale 6 (1st node visible) through 10 (boot) 5-10% leaf area infected on flag leaf and/or leaf below |
|
| Leaf Rust |
For Feeke's scale 6 (1st node visible) through 10 (boot) 1-3% leaf area infected on flag leaf and/or leaf below |
|
