Word: thiuram
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Dates: during 1943-1943
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Chemists have even found a potent new defense against the Japanese beetle. This is a helpful chemical called tetramethyl-thiuram disulphide, which, dusted on a favorite beetle plant or on the beetle itself, permanently kills the beetle's appetite, even for undusted plants. The investigators do not yet know the reason why, but they have noticed that the chemical partly paralyzes a beetle's forelegs and mouth...