Abstract
Summary A glasshouse experiment was conducted to study the responses to Streptomyces scabies and S. turgidiscabies in potato cultivars Bellona, Matilda and Sabina ( Solanum tuberosum ). Potatoes were grown in a peat‐sand mixture inoculated with one of the two strains of either S. scabies or S. turgidiscabies. Logit models were used to analyse the data on disease incidence and severity, whereas the data on emergence and yield were tested by analysis of variance. S. turgidiscabies , a recently described potato pathogen in Finland, possessed a high ability to cause superficial, raised and pitted lesions on all three cultivars tested. Symptoms induced by S. turgidiscabies were similar to those of S. scabies , regardless of the cultivar, which suggests that the two causal organisms of common scab cannot be distinguished based on symptoms. Infection by S. turgidiscabies and S. scabies delayed emergence, had the tendency to decrease the yield, and increased the proportion of small tubers in the yield, regardless of the potato cultivar. Differences in the levels of resistance to common scab were evident between potato cultivars, since cvs. Matilda and Bellona showed higher disease incidence and more severe scab symptoms than cv. Sabina.
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Claims 8
Claim · model-written summary
S. turgidiscabies caused superficial, raised and pitted lesions on all three cultivars.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- S. turgidiscabiese0
- Interactor
- S. turgidiscabiesStreptomyces turgidiscabiese0pathogen
- Outcome
- superficial, raised and pitted lesionse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“S. turgidiscabies , a recently described potato pathogen in Finland, possessed a high ability to cause superficial, raised and pitted lesions on all three cultivars tested”
t0“potato”
Claim · model-written summary
The two pathogens produced similar symptoms across cultivars.
- Taxon
- potatoSolanum tuberosumt0
- Interactor
- S. turgidiscabiesStreptomyces turgidiscabiese0pathogen
- Second interactor
- S. scabiesStreptomyces scabieie0pathogen
- Outcome
- Symptomse0
- Comparator
- S. scabiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Symptoms induced by S. turgidiscabies were similar to those of S. scabies , regardless of the cultivar”
t0“potato”
Claim · model-written summary
S. turgidiscabies infection delayed emergence.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Infection by S. turgidiscabiese0
- Interactor
- S. turgidiscabiesStreptomyces turgidiscabiese0pathogen
- Outcome
- emergencee0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infection by S. turgidiscabies and S. scabies delayed emergence, had the tendency to decrease the yield, and increased the proportion of small tubers in the yield”
t0“potato”
Claim · model-written summary
S. scabies infection delayed emergence.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- S. scabiese0
- Interactor
- S. scabiesStreptomyces scabieie0pathogen
- Outcome
- emergencee0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infection by S. turgidiscabies and S. scabies delayed emergence, had the tendency to decrease the yield, and increased the proportion of small tubers in the yield”
t0“potato”
Claim · model-written summary
Both infections tended to decrease yield.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Infection by S. turgidiscabiese0
- Interactor
- S. turgidiscabiesStreptomyces turgidiscabiese0pathogen
- Second interactor
- S. scabiesStreptomyces scabieie0pathogen
- Outcome
- yielde0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infection by S. turgidiscabies and S. scabies delayed emergence, had the tendency to decrease the yield”
t0“potato”
Claim · model-written summary
Both infections increased the proportion of small tubers.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Infection by S. turgidiscabiese0
- Interactor
- S. turgidiscabiesStreptomyces turgidiscabiese0pathogen
- Second interactor
- S. scabiesStreptomyces scabieie0pathogen
- Outcome
- proportion of small tuberse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infection by S. turgidiscabies and S. scabies delayed emergence, had the tendency to decrease the yield, and increased the proportion of small tubers in the yield”
t0“potato”
Claim · model-written summary
Matilda and Bellona had higher common scab incidence than Sabina.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Matilda and Bellonae0
- Outcome
- disease incidencee0
- Direction
- highere0
- Comparator
- Sabinae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cvs. Matilda and Bellona showed higher disease incidence and more severe scab symptoms than cv. Sabina”
t0“potato”
Claim · model-written summary
Matilda and Bellona had more severe scab symptoms than Sabina.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Matilda and Bellonae0
- Outcome
- scab symptomse0
- Direction
- more severee0
- Comparator
- Sabinae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cvs. Matilda and Bellona showed higher disease incidence and more severe scab symptoms than cv. Sabina”
t0“potato”
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See all 24 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.