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Derris plants are found throughout the tropical regions of Asia and East Africa and are widely used in cattle and sheep dips for the control of ticks and other ectoparasites.
Derris elliptica roots were collected in the state of Johor; Kota Johor Lama, Malaysia.
Wood (6) lists some important photochemical products such as pyrethrum, derris, quassia, nicotine, hellebore, anabasine, azadirachtin, d-limonene, camphor and terpenes that have been used as insecticides.
They can be controlled using Derris Dust, but please remember that in most instances they are more of a nuisance than a pest.
Spraying with an insecticide such as derris usually works, but prune any badly-affected branches.
CONTACT: Abby Dixon Derris & Company abyy@derris.
The exhaustive extraction of Derris elliptica occurred approximately between 800 mins to 840 mins with the amount of 895 mg rotenone/50 g dried roots.
longipalpis, such as dried leaf extracts of Antonia ovata (Loganiaceae) and Derris amazonica (Papillionaceae) killing 80 and 100% of female sandflies, respectively (56).
If there is any sign of these mites, spray with an insecticide containing bifenthrin or derris.
If there are maggots in the fallen fruit, rake derris dust insecticide into the soil.
Contact: Abby Dixon, Derris & Company, abby@derris.
For instance, rotenone from a plant belonging to the Derris elliptica family known locally as 'tuba kapur' has been proven as potent as many conventional synthetic pesticides.
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