| Trade name | Active Ingredient | Phytophthora |
|---|---|---|
| Allegiance | Metalaxyl | E |
| Apron XL | Mefenoxam | E |
| Captan | Captan | N |
| Thiram | Thiram | N |
a Efficacy based
on labeled rates of active ingredient for each material.
b Efficacy rating scale: E = Excellent,G = Good, F = Fair, P = Poor
and N = No activity.