First report of witches’-broom disease of tobacco in Iran

Document Type : Short Report

Authors

1 MSc. student , Department of Microbiology, College of Science, Science and Research Branch, Islamic Azad University, Fars, Iran.

2 Research Assoc. Prof. of Plant Pathol., Plant Protection Research Department, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization (AREEO), Shiraz, Iran

Abstract

Tobacco (Nicotiana tabacum L.) is an economically important crop in Borazjan (Bushehr province, Iran). In 2016 surveys conducted in tobacco fields of Borazjan for phytoplasma diseases, tobacco witches’-broom(TWB) disease was observed. The main disease symptoms were big bud, flower virescence and phylllody, internode shortening, inter veinal yellowing, little leaf, leaf curl, witches’-broom and stunting