derris

NOUN
  1. any of various usually woody vines of the genus Derris of tropical Asia whose roots yield the insecticide rotenone; several are sources of native fish and arrow poisons
Linguix Browser extension
Fix your writing
on millions of websites
Get Started For Free Linguix pencil

How To Use derris In A Sentence

  • The insecticidal properties of Derris roots were first discovered in 1848 and the plant was first used against the nutmeg caterpillar.
  • Besides muderrises and kadis, one other group within the learned profession deserves brief mention, namely the muftis.
  • Second, spray the tree with derris, which is widely available, when roughly half the flower petals have fallen.
  • Besides muderrises and kadis, one other group within the learned profession deserves brief mention, namely the muftis.
  • 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
  • For rotenone is no post-war insect killer cooked up in a corporate lab, but a natural product, extracted from the derris plant, and a mainstay of organic farms and gardens.
  • Cropping systemIncreasing the woody contents in leaf litterExamples of indigenous agroforestry systems: Use of derris as botanical pesticide Chapter 15
  • By the mid 1800s, the heads of chrysanthemum flowers were used to obtain pyrethrum, and rotenone was extracted from the derris plant.
  • For example, rotenone, an insecticide derived from a tropical root called derris, is as poisonous to humans as organophosphate chemical pesticides. Organic Gardener's Composting
  • Jam laced with derris, camphor, citronella or pepper also makes an effective bait.
View all
This website uses cookies to make Linguix work for you. By using this site, you agree to our cookie policy