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.
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.