Word: systox
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Dates: during 1953-1953
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Some good news for growers of citrus fruit, cotton and potatoes came from Dr. Robert Metcalf. a co-worker of March's at California's Riverside Experimental Station. He and fellow workers have developed two new double-barreled insecticides that attack pests from inside plants. Called Systox and OMPA, they are a by-product of German wartime efforts to produce a nerve gas. If sprayed only on a tree trunk, Systox and OMPA work their way inside so neatly that they protect leaves that grow after the spraying is done. They seem to leave little harmful residue...
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