Clove oil Oct 26, 2020 17:26:27 GMT -5 poncirusguy likes this Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by lebmung on Oct 26, 2020 17:26:27 GMT -5 Clove oil at 4% was effective killing root rot fungi such as Fusarium oxysporum in tomatoes.Perhaps this can be applied to citrus as well. Anyone tried?