derris


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Related to derris: Derris elliptica

derris

[′der·əs]
(botany)
Any of certain tropical shrubs in the genus Derris in the legume family (Leguminosae), having long climbing branches.
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Derris points out that "with this revised etymology, the princess's presence is again asserted into the traditional biography insisting that the Bodhisatta's lifetime as the princess cannot be forgotten.
Preliminary assays indicated that Antonia ovata and Derris amazonica displayed significant insecticide effect against L.
054532 Fabaceae (Faboideae) Lonchocarpus crucisrubierae 054533 Pittier Fabaceae (Faboideae) Derris hedyosma (Miq.
Overall 5 isolates of Streptomyces were isolated from Heritiera forres (ST 81), Derris heterophyla (ST 28), Sonneratia apitala(ST 55), Exoecocaria aggallocha (ST 67) and Caesalpinia crista (ST 69).
gariepinus exposed to sub-lethal concentrations of Derris root powder under laboratory conditions .
DERRIS disappears - under the new EU pesticides ruling, Derris (Rotenone), whether in its liquid or dust formulation, will disappear from the shelves of garden centres and other outlets from October 10.
Rotenone, also called derris, is perhaps the most notorious.
Daffyd gets a haircut, Vicky Pollard ends up in court and Derris Waterman delivers a special birthday message.
Rotenone is a botanical insecticide derived from the root of various plants of the Derris or Lonchocarpus species from Southeast Asia, Central and South America.
Insecticides based on natural materials include pyrethrum (Py Garden Insect Killer, Doff All In One Bug Spray, Gem Stop Bugs, Westland Bug Killer, Nature's Answer Natural Pest Control), rotenone (Bio Liquid Derris Plus), fatty acids (Bayer Organic Pest Control, Doff Greenfly and Blackfly Killer, Fito Get Off Insect), plant and fish oils (Vitax Organic 2 in 1 Pest and Disease Control), plant extracts (Growing Success Fruit & Veg Bug Killer, Growing Success Shrub and Flower Bug Killer) and mineral lattice (SB Plant Invigorator).
Once the peas are through the soil it can pay dividends to blow on to the emerging leaves some Gamma BHC or Derris dust to deter the leaf weevils which can seriously reduce the vigour of the plants.
White-flowered derris, a rare climbing fern with a stem 15 to 20 centimeters in diameter is found in an area called Lai Chi Wo, about 45 minutes' boat ride away from Sha Tin in the New Territories.