The field test of controlling tobacco mosaic virus disease was conducted in the seedling and adult periods of tobacco by spraying 8 kinds of medicaments(Bingdubike,Bingduqing,Kangdufeng,Beida,Ningnanmycin,Amino-oligosaccharins,Keweiteling and Ultra-sensitive protein).The results showed that all tested 8 kinds of medicaments had a certain control effect on tobacco mosaic virus disease;among them,Amino-oligosaccharins,Keweiteling and Ultra-sensitive protein had better and more stable control effect,with the average control effect of 55.64%,53.75% and 50.81%,res...