Preliminary Studies on the Tobacco Virus Types and Dominant Species in Anhui province
Abstract: In 1978,it was widely surpising that the total tobacco output of Fong Yan County reduced by 92.3% reslting from the epidemic of tobacco virus diseases in the tobacco areas of Anhui Province.The four viruses,i.e.CMV,TMV,PVY and PVX, were isolated from 552 virusinfected tobacco materials from sixteen counties and cities in Anhui Province from 1981 to 1984 through indicator hosts,serological reactions and electron microscopy.The results showed that thoir proportion were 82.99%, 4.53%, 2.54%, and 0.36%, respect...