Show Seek Larger Supply of N New v e Insecticide Malay l States Urged to Grow Bearing Rotenone Bearing Plants Prepared PrepuceS by br the United State Department of Agriculture Finding rotenone a new insecticide superIor to materials now generally used for Insect control the United States Department nt of Agriculture Is urging the Malay states to grow ro- ro ro bearing plants on a n commer commer- commercial commercial cial scale for the American trade This new Insecticide Is found In quantities up to 7 per cent In the roots of the South American cube plant pronounced up to G 5 per cent in roots and to n a lesser extent In three other plants The cube now grows In n a part ot of South America Arnera where the time climate is similar to that of time the Malay alay states and surrounding countries It IL t C 0 Insecticide specialist of the Department of ot Agriculture ad advances ad- ad advances vances ances the theory that Derris Den plants containIng greater quantities of ro- ro rotenone rotenone ro might be derived by careful selection se- se selection se selection lection and breeding Ho lIo points out that cube roots are not yet available commercially Tests by the Department of ot Agri- Agri Agriculture Agri Agriculture culture Indicate that rotenone Is high hIgh- hIghly highly ly poisonous to both sucking and chewIng Insects In tests conducted privately rotenone was fed to dogs cats sheep and chickens in quantities quantities ties up to 1 grain per pound of ot body bodyweight bodyweight bodyweight weight an and no Injury was noticeable |