Isolation and Identification of a Virus Infecting Primula obconica
Abstract: A sphere-shaped virus has been found from the diseased plant of primula. Fifteen species plants of seven families were infected, but other three of two families tested were not.The virus purified by PEG(M.W.6000)precipitation and differential centrifugation is found to have a diameter of the isometric particle with 28—32 nm by UV absorption spectrum scanning, the value of A_(260)/A_(280) is 1.70.On the hasis of the symptomes in different host plants, morphological structure of the virions, serological test,...