ABSTRACT Profenofos (Selecron 72 % E.C.), and metalaxyl (Ridomil Gold Plus (42.5 % W.P.) were sprayed on field – grown onion plants at the recommended rates of 0.54 and 0.17 Kg. a.i./ Fed., respectively. Commercial products from (Ridomil Gold Plus) contained mixtures of metalaxyl as the active ingredient with low rates of residual protective fungicides, such as copper. Samples were ... إقراء المزيد