Characterization of dsRNA species in tobacco exhibiting non-geminivirus leaf curl symptoms

[摘要] Tobacco in Southern Africa has been found to exhibit three forms of leaf curl(class I, II and III) based on symptomology. Class I tobacco leaf curl is a disorderof unknown etiology, appearing as bent or twisted leaves exhibiting frillyenations (leafy outgrowths) along the midrib and secondary veins of severelystunted tobacco plants.[Abbreviated Abstract. Open document to view full version]

[发布机构] University of the Witwatersrand