Abstract
Pine tar oil, produced by the destructive distillation of pine wood, is now being used in the refined form as in insecticide and fungicide. This oil is used alone or in combination with nicotine for the control of aphids, thrips and similar types of insects. Pine tar oil has greater fungicidal value than petroleum oil and also may act as a carrier for copper resinate, which it dissolves readily. The combination of pine tar oil and copper resinate may be added to petroleum oil and the blend emulsified in the usual way.
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