Show pyrethrum flowers form basis of insecticides uncle siro sim li Is preparing to roll rot his own insect in other wo us Is tie department of agriculture Is 1 con ducting field to determine whether or not pyrethrum flowers fl owern filch nl men en ground form the baas bar of many insecticides can be gron successfully on a commercial ecale scale la in the united states the plant la Is closely related to the common oxeye daly daisy end sod lins hn been produced pro laced commercially la in california but the supply now come comes largely from dalmatia and captin it cost costs from to annually and the depart pent onto to know what can con be done to t ward kempink the money at home |