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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References in periodicals archive ?
Rotenone is a nonpolar compound which required a medium polarity solvent to be extracted from Derris roots.
Derris ("When" and "My Sister's"), Gombrich (70), Skilling ("Gotama's" 950 and "Quatre" 132f); and on the whole collection or other parts of it Sheravanichkul, Skilling ("Jataka"), Unebe ("Not" and "Toward"), and Unebe et al.
The product rotenone is derived from the natural toxic properties from the roots of several different derris plant species that are located in tropical regions (Ling 2002).
Pyrethrum and derris are short-lived, mild natural insecticides that poison insects.
ArbF Bauhinia longipedicellata Ducke ArbF X Bauhinia sp.1 ArbF Bauhinia sp.2 ArbF Cenostigma tocantinum Ducke AF X Derris utilis (A.C.Smith) Ducke HP Dialium guianense (Aubl.) Sandwith AF X Dioclea malacocarpa Ducke LF Dioclea sclerocarpa Ducke LF Enterolobium schomburgkii (Benth.) Benth.
So if you use insecticides in your garden and this applies as much to the more natural products like derris and pyrethrum as it does to the modern purely synthetic materials, there are certain precautions to observe.
The botanical insecticides Compostonat[R] (essencial oils of Neem, Karanja and Castor beans; Natural Rural Ltda.), Rotenat-CE[R] (Derris sp.; Natural Rural Ltda.) and Neempro (Azadirachta indica A.
For example, the biodegradable and photolabile rotenone in the form of derris resin (Cheng et al.