Soil Contamination Inconsistently Affects Performance of Diphenylamine as a Superficial Scald Inhibitor

Three types of soil were mixed with water containing DPA (2000 mg.liter −1 ) and benomyl (300 mg.liter −1 ) at 1% to 5% (w/v). Rome' apples (Malus domestica Borkh.) were dipped in the mixtures over 8 days. The efficiency of DPA as a scald inhibitor was not consistently affected by soil type, soil concentration, or age of mixture (...)