Identification on Tobacco Ringspot Virus of Sugar Beet in Ningxia
Abstract: sphere-sliaped virus has been isolated from the diseased sugar beet in Nighxia,The virus parti cle was 28nm in diameter.The virus could infect seventeen plants,They belong Cenopodiaceae,Legu minosae,Cucurbitaceae,Solanaceae and Aizoaceae,respectively,There has serological relationship be tween this virus and TRSV.On the basis of the symptomes in different host plants morphological structure of the virus particle and serological test,we preliminarily conclude that the virus belongs to a strain of the Tobacco ringspot virus.