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derris root

NOUN
  1. woody vine having bright green leaves and racemes of rose-tinted white flowers; the swollen roots contain rotenone

How To Use derris root In A Sentence

  • The insecticidal properties of Derris roots were first discovered in 1848 and the plant was first used against the nutmeg caterpillar.
  • He directed his students to study fish poisons a decade or more before derris root went into mass production in the tropics as a source of rotenone, the most important biodegradable insecticide. One River
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