Abstract
The occurrence of Citrus exocortis viroid (CEVd), Citrus bent leaf viroid (CBLVd), Hop stunt viroid (HSVd), Citrus dwarfing viroid (CDVd), Citrus bark cracking viroid (CBCVd) and Citrus viroid VI (CVd-VI) in Citrus spp. cultivated in six provinces of Uruguay was surveyed in 20082009 and 2009-2010 growing seasons using Northern blot hybridization. Sixty two per cent of surveyed trees were infected with either single or mixed viroid inocula, the latter being more abundant. CBCVd and CVd-VI were not detected in the samples analyzed. HSVd showed the highest prevalence (92%) among infected plants followed by CDVd (50%), CEVd (23%) and CBLVd (19%). The most frequently observed viroid combination was HSVd+CDVd. Our results showed that CEVd, CBLVd, HSVd, CDVd are widespread throughout citrus orchards in Uruguay and highlight the presence of mixed viroid infections.
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Claims 10
Claim · model-written summary
Sixty two per cent of surveyed trees had single or mixed viroid infections.
- Outcome
- surveyed trees were infected with either single or mixed viroid inoculae0
- Value
- Sixty two per cente0
Not reportedTaxon
Verbatim
e0“Sixty two per cent of surveyed trees were infected with either single or mixed viroid inocula”
Claim · model-written summary
Mixed viroid inocula were more abundant than single infections.
Not reportedTaxon
Verbatim
e0“the latter being more abundant”
Claim · model-written summary
CBCVd was not detected.
- Interactor
- CBCVdCitrus bark cracking viroide0pathogen
- Outcome
- CBCVde0
Not reportedTaxonDirection
Verbatim
e0“CBCVd and CVd-VI were not detected in the samples analyzed.”
Claim · model-written summary
CVd-VI was not detected.
Not reportedTaxonDirection
Verbatim
e0“CBCVd and CVd-VI were not detected in the samples analyzed.”
Claim · model-written summary
HSVd prevalence among infected plants was 92%, the highest.
- Interactor
- HSVdHop stunt viroide0pathogen
- Outcome
- HSVd showed the highest prevalencee0
- Direction
- higheste0
- Value
- 92%e0
Not reportedTaxon
Verbatim
e0“HSVd showed the highest prevalence (92%) among infected plants”
Claim · model-written summary
CDVd prevalence was 50%.
- Interactor
- CDVdCitrus dwarfing viroide0pathogen
- Outcome
- CDVde0
- Value
- 50%e0
Not reportedTaxon
Verbatim
e0“CDVd (50%)”
Claim · model-written summary
CEVd prevalence was 23%.
Not reportedTaxon
Verbatim
e0“CEVd (23%)”
Claim · model-written summary
CBLVd prevalence was 19%.
- Interactor
- CBLVdCitrus bent leaf viroide0pathogen
- Outcome
- CBLVde0
- Value
- 19%e0
Not reportedTaxon
Verbatim
e0“CBLVd (19%)”
Claim · model-written summary
HSVd+CDVd was the most frequent viroid combination.
- Interactor
- HSVdHop stunt viroide0pathogen
- Second interactor
- CDVdCitrus dwarfing viroide0pathogen
- Outcome
- most frequently observed viroid combinatione0
Not reportedTaxon
Verbatim
e0“The most frequently observed viroid combination was HSVd+CDVd.”
Claim · model-written summary
CEVd, CBLVd, HSVd and CDVd were widespread in Uruguay citrus orchards.
CitrusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CEVd, CBLVd, HSVd, CDVd are widespread throughout citrus orchards in Uruguay”