The Plant Pathology Journal 2012;28(3):239-247.
Published online September 30, 2012.
Mini-Reviews : Current Status of Phytoplasmas and their Related Diseases in Korea
Hee Young Jung, Nang Kyu Kyu Win, Young Hwan Kim
Abstract
Phytoplasmas have been associated with more than 46 plant species in Korea. Several vegetables, ornamentals, fruit trees and other crop species are affected by phytoplasma diseases. Six 16Sr groups of phytoplasmas have been identified and these phytoplasmas are associated with 63 phytoplasma diseases. Aster yellows phytoplasmas are the most prevalent group and has been associated with more than 25 diseases in Korea. Jujube witches` broom, paulownia witches` broom and mulberry dwarf diseases cause economic losses to host trees throughout the country. So far, Korean phytoplasmas belong to six species of ``Candidatus Phytoplasma``; ``Ca. P. asteris``, ``Ca. P. pruni*``, ``Ca. P. ziziphi``, ``Ca. P. trifolii``, ``Ca. P. solani*`` and ``Ca. P. castaneae``. The diseases are distributed throughout the country and most of them were observed in Gyeongbuk and Chonbuk provinces. At least four insect vectors; Cyrtopeltis tenuis, Hishimonus sellatus, Macrosteles striifrons and Ophiola flavopicta have been identified for phytoplasma transmission.
Key Words: Candidatus Phytoplasma species, classification, identification


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