Show New Advances Made Toward Pest Control Researchers have taken another another an an- other ther important step toward pest control says Utah State University County Extension Agent gerit Del Purnell Dr George Knowlton Extension Extension Ex Ex- Ex tension entomologist reports that chemists have extracted the chemical which makes corn earworms feed on corn The worms will even eagerly eat paper that has been wet with this solution Once USDA researchers identify this chemical chem chern chemical ical cal sufficiently so it can be synthesized in the laboratory a new corn earworm control can can- can can-be be developed The attract attract- could be used to draw the pest to a poisoned bait made appetizing by the lant Since some chemical substances substances substances sub sub- stances are repellent to egg egg- laying moths or to their larvae larvae lar lar- vae the scientists would also try to develop crop varieties that contain a high concentration concentration concen concen- of repellents or low concentrations of attractant stimulants for feeding and egg laying Finding corn varieties highest in the repellent chemical chemical chem chern ical or low in the attractant chemical may aid in developing develop develop- ing corn varieties little attacked attack attack- ed by this destructive ear ear- worn pest pointed out Dr Knowlton |