Ontario Hop Growers' Association The OHGA is a not-for-profit association of hop growers, families and enthusiasts who are interested in supporting the growth of the hop industry in Ontario.
Rootshield, biological fungicide products (wettable powder), have been approved for use in Canada for the suppression of root rot caused by Fusarium, Rhizoctonia and Pythium on Hops.
For more details, download by clicking above, or visit the Ontario Minor Use site for the current list of approved products.