VIEW ARTICLE

Rapid Diagnosis of the Citrus Tristeza Disease by Electron Microscopy of Partially Purified Preparations. M. Bar- Joseph, Virus Laboratory, The Volcani Institute of Agricultural Research, Bet Dagan, Israel; G. Loebenstein, Virus Laboratory, The Volcani Institute of Agricultural Research, Bet Dagan, Israel. Phytopathology 60:1510-1512. Accepted for publication 6 May 1970. DOI: 10.1094/Phyto-60-1510.

A modified procedure is described for the partial purification of the threadlike particles associated with the citrus tristeza disease. This method enables rapid identification of infected trees by electron microscopy. Diagnosis was accurate when 65 tristeza-infected and 62 control trees were examined by this method.