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Association of ’Candidatus Phytoplasma aurantifolia’ with Cosmos bipinnatus phyllody disease in Iran

Mehrnoosh Nikooei1*, Chamran Hemmati2, Abdoolnabi Bagheri3

1Department of Agriculture, Faculty of Agriculture and Natural Resources, University of Hormozgan, Bandar Abbas, Iran
2Young Researcher and Elite Clubs, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
3Plant Protection Research Department, Hormozgan Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization (AREEO), Bandar Abbas, Iran

*Corresponding address:
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Received: May 11, 2017
Accepted: August 31, 2017


Abstract

In 2017 growing season numerous examinations of Cosmos bipinnatus in Hormozgan province, Iran revealed the disease symptoms similar to those associated with phytoplasmas. Phytoplasmas were detected from all symptomatic plants by the specific polymerase chain reaction (PCR) utilizing phytoplasma universal primer pairs. Amplification, sequencing and blast analysis of 16S rDNA fragment (ca. 1.2 kb) demonstrated that C. bipinnatus plants were infected by a phytoplasma belonging to the 16SrII group. This is the first report of association of a ‘Candidatus Phytoplasma aurantifolia’-related strain with C. bipinnatus phyllody in Iran.

Key words: ‘Candidatus Phytoplasma aurantifolia’, Cosmos bipinnatus, Mexican aster, phyllody, phytoplasma

 
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