Simple salts: effective, safe and cheap disease control?

An evaluation of the potential of simple salts as fungicides including evidence based on initial trial work at Harper Adams.

Year of Publication2009

Salts such as sodium and potassium bicarbonate have been shown to reduce the incidence of plant diseases such as mildew and may overcome some of the limitations of conventional fungicides. They are, however, less effective and more inconsistent in action than conventional fungicides and may be most effective in combination with them to reduce cost and the risk of resistance development. A review of literature found that 34 salts reduced the severity of 49 fungal diseases in 35 plant species. Further research at Harper Adams will investigate the optimum arrangements for the integration of such treatments with conventional fungicides.

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