Phyter

Phyter is the most effective tool approved for use in organic agriculture.  Available in either a seed treatment formulation, to aide in germination, emergence, vigour, and stand, offering protection against damping off, fusarium, pythium, ascochyta, aphanomyces  and other root and soil pathogens.
Or
As a foliar preventative, to suppress incidence of sclerotinia, Phomopsis, fusarium head blight, septoria, and other pathogens.
 
It is compatible with many products, and can be mixed with nutrition, herbicides and insecticides, and can be used in conventional farming operations.
 
It is a bio-stimulant, beneficial fungus, which will aid your crops even in the absence of disease pressure.