Word: ddt
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...vegetables: A 3% DDT dust against cabbage caterpillars, applied no later than 30 days before the cabbage is to be eaten, seems to be safe...
...fruit trees: Don't use. Because DDT is a cumulative poison and apparently injures some plants, it is unsafe to use on most fruits and vegetables until further tests have been made...
...grain bins and warehouses: Spray walls and woodwork with 5% DDT in kerosene. Don't get it on the grain; treat bins when empty...
...shade trees: A .1% DDT emulsion destroys tent caterpillars, cankerworms, gypsy moths, elm leaf beetles, boxwood leaf miner and some other pests. Warning: it increases the population of red mites, by killing their parasites...
...Department of Agriculture added a reassuring word: the danger of handling DDT has been greatly exaggerated. It is less toxic than other insecticides (arsenate of lead, nicotine), in two years has not injured any of the thousands of workers who have handled it constantly...