Studies on the Inhibiting the Diseases of the Tobacco Action of Propolis
dong xia1; chen tian-xuan2; yang huan-wen3; wu zhi-xiong3; liu ping-xue3; xie yong4; lanjian-qiang4 (1.east bee research institute; yunnan agricultural univesity; kunming; 650201 2.lu quan tobacco company of yunnan province; luquan; 3.college of tobcacco.yunnan ag