Impact® is effective against most pathogens belonging to the asco- and basidiomycetes classes of fungi.
Apples
- Podosphora leucotricha
- Venturia inaequalis
Bananas
- Mycosphaerella fijiensis
- Mycosphaerella musicola
Cereals
- Erysiphe graminis
- Helminthosporium spp.
- Puccinia spp.
- Rhynchosporium secalis
- Septoria spp.
Chicory
- Erysiphe cichoracearum
- Puccinia cichorii.
Coffee
- Hemileia vasatrix
Corn
- Sphacelotheca reiliana
Flax
- Colletotrichum lini
Grapevine
- Guignardia bidwelli
- Uncinula necator
Peas and beans
- Aschochyta pisi
- Uromyces pisi
- Colletotrichum pisi
Peanuts
- Mycosphaerella arachidis
- Mycosphaerella berkeleyi
- Puccinia arachidis
Oilseed rape
- Alternaria spp.
- Cylindrosporium concentricum
- Phoma lingam
Potatoes
- Alternaria solani
Soybeans
- Cercospora kikuchii
- Cercospora sojiana
- Michrosphaerea diffusa
- Septoria glycines
- Phakopsora pachyrhizi
Sugar beet
- Cercospora beticola
- Erysiphe betae
- Ramularia beticolae
- Uromyces betae
Sunflowers
- Diporthe heliinthi
- Erysiphe spp.
- Cercospora spp.
