Rubbery Taproot Disease of Sugar Beet in Serbia Associated with 'Candidatus Phytoplasma solani'

Rubbery taproot disease (RTD) of sugar beet was observed in Serbia for the first time in the 1960s. The disease was already described in neighboring Bulgaria and Romania at the time but it was associated with abiotic factors. In this study on RTD of sugar beet in its main growing area of Serbia, we...

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Veröffentlicht in:Plant disease. - 1997. - 105(2021), 2 vom: 06. Feb., Seite 255-263
1. Verfasser: Ćurčić, Živko (VerfasserIn)
Weitere Verfasser: Stepanović, Jelena, Zübert, Christina, Taški-Ajduković, Ksenija, Kosovac, Andrea, Rekanović, Emil, Kube, Michael, Duduk, Bojan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article Beta vulgaris etiology field crops prokaryotes stolbur Sugars
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520 |a Rubbery taproot disease (RTD) of sugar beet was observed in Serbia for the first time in the 1960s. The disease was already described in neighboring Bulgaria and Romania at the time but it was associated with abiotic factors. In this study on RTD of sugar beet in its main growing area of Serbia, we provide evidence of the association between 'Candidatus Phytoplasma solani' (stolbur phytoplasma) infection and the occurrence of typical RTD symptomatology. 'Ca. P. solani' was identified by PCR and the sequence analyses of 16S ribosomal RNA, tuf, secY, and stamp genes. In contrast, the causative agent of the syndrome "basses richesses" of sugar beet-namely, 'Ca. Arsenophonus phytopathogenicus'-was not detected. Sequence analysis of the stolbur strain's tuf gene confirmed a previously reported and a new, distinct tuf stolbur genotype (named 'tuf d') that is prevalent in sugar beet. The sequence signatures of the tuf gene as well as the one of stamp both correlate with the epidemiological cycle and reservoir plant host. This study provides knowledge that, for the first time, enables the differentiation of stolbur strains associated with RTD of sugar beet from closely related strains, thereby providing necessary information for further epidemiological work seeking to identify insect vectors and reservoir plant hosts. The results of this study indicate that there are differences in hybrid susceptibility. Clarifying the etiology of RTD as a long-known and economically important disease is certainly the first step toward disease management in Serbia and neighboring countries 
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650 4 |a Beta vulgaris 
650 4 |a etiology 
650 4 |a field crops 
650 4 |a prokaryotes 
650 4 |a stolbur 
650 7 |a Sugars  |2 NLM 
700 1 |a Stepanović, Jelena  |e verfasserin  |4 aut 
700 1 |a Zübert, Christina  |e verfasserin  |4 aut 
700 1 |a Taški-Ajduković, Ksenija  |e verfasserin  |4 aut 
700 1 |a Kosovac, Andrea  |e verfasserin  |4 aut 
700 1 |a Rekanović, Emil  |e verfasserin  |4 aut 
700 1 |a Kube, Michael  |e verfasserin  |4 aut 
700 1 |a Duduk, Bojan  |e verfasserin  |4 aut 
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773 1 8 |g volume:105  |g year:2021  |g number:2  |g day:06  |g month:02  |g pages:255-263 
856 4 0 |u http://dx.doi.org/10.1094/PDIS-07-20-1602-RE  |3 Volltext 
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