%0 Journal Article %T detectionofthepaulowniawitches'broommycoplasmalikeorganismbypolymerasechainreaction %A zhang %A chunli %A lin %A mulan %A yang %A jihong %A shi %A xiaoyan %J 生物多样性 %P 55-60 %D 1994 %U http://www.biodiversity-science.net/CN/abstract/abstract8915.shtml