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First Report of Beet soilborne virus in Poland
N Borodynko1, B Hasiów1, H Pospieszny1
1Institute of Plant Protection, Department of Virology and Bacteriology, Miczurina 20, 60-318 Pozna, Poland.
Plant Disease
|February 22, 2019
Summary
Beet necrotic yellow vein virus (BNYVV) and Beet soilborne virus (BSBV) were detected in Polish sugar beet fields for the first time. This discovery highlights the need for monitoring these plant viruses in Poland to protect sugar beet crops.
Area of Science:
- Plant Pathology
- Virology
- Agricultural Science
Background:
- Rhizomania disease in sugar beets is caused by Beet necrotic yellow vein virus (BNYVV).
- BNYVV and Beet soilborne virus (BSBV) are significant pathogens affecting sugar beet production globally.
- Previous reports of BSBV in Europe did not include Poland.
Purpose of the Study:
- To identify and characterize viral agents causing disease symptoms in sugar beet plants in Poland.
- To confirm the presence of BNYVV and BSBV in the Wielkopolska Region of Poland.
- To provide the first report of BSBV occurrence in Poland.
Main Methods:
- Symptomatic sugar beet plants were used for mechanical inoculation and electron microscopy.
- Double-antibody sandwich enzyme-linked immunosorbent assay (DAS-ELISA) was employed for virus detection.
- Multiplex reverse transcription-polymerase chain reaction (mRT-PCR) with specific primers was used for RNA1 (BSBV) and RNA2 (BNYVV, Beet virus Q) amplification and sequencing.
Main Results:
- BNYVV and BSBV were detected in sugar beet plants from the Wielkopolska Region using DAS-ELISA and mRT-PCR.
- Sequencing confirmed high nucleotide identity (98%) of the Polish BNYVV isolate with a German isolate and the Polish BSBV isolate with a German isolate (98% nucleotide, 98% amino acid).
- BSBV was detected in 12 out of 15 tested sugar beet plants, and BNYVV in nine, confirming widespread presence.
Conclusions:
- This study provides the first documented evidence of Beet soilborne virus (BSBV) in Poland.
- The findings confirm the co-occurrence of BNYVV and BSBV in Polish sugar beet fields.
- Regular monitoring for these viruses is crucial for effective management of sugar beet diseases in Poland.
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