Abstract
Potato virus B , and some other viruses with reactions in potato varieties different from any previously described, are strains of virus X . All produce intracellular inclusions which vary with different hosts and virus strains. Except with virus B, the inclusions are larger and more frequent in potato than in tobacco or tomato. All give systemic infection when inoculated to tobacco, tomato and potato varieties in which they are carried or cause mosaic symptoms; some give systemic infection when inoculated to varieties in which they cause top‐necrosis, whereas others give only local lesions. Potato virus C is a strain of virus Y: in tobacco and a few potato varieties both produce similar symptoms, but in those varieties in which Y causes leaf‐drop streak, C causes top‐necrosis. C causes systemic infection when inoculated to tobacco and to potato varieties in which it causes mosaic symptoms, but not when inoculated to potato varieties in which it causes top‐necrosis. Virus C was not transmitted by M . persicae. Viruses C and Y produce a few small intracellular inclusions in potato and tobacco. Virus A is not related to Y or X : no inclusions were found in plants infected with A alone.
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Claims 11
Claim · model-written summary
Potato virus B and other viruses with unusual potato reactions were identified as virus X strains.
- Taxon
- potato
Solanum tuberosume0 - Interactor
- Potato virus BPotato virus Be0pathogen
- Outcome
- strains of virus Xe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato virus B , and some other viruses with reactions in potato varieties different from any previously described, are strains of virus X .”
Claim · model-written summary
Virus X strains produced intracellular inclusions varying by host and strain.
- Taxon
- potatoSolanum tuberosumt0
- Interactor
- virus Xe1pathogen
- Outcome
- intracellular inclusionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All produce intracellular inclusions which vary with different hosts and virus strains.”
t0“viruses causing necrotic diseases of the potato”
e1“strains of virus X”
Claim · model-written summary
Inclusions other than those from virus B were larger and more frequent in potato than in tobacco or tomato.
- Taxon
- potatoSolanum tuberosume0
- Interactor
- virus Be0pathogen
- Outcome
- inclusionse0
- Direction
- larger and more frequente0
- Comparator
- tobacco or tomatoe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Except with virus B, the inclusions are larger and more frequent in potato than in tobacco or tomato.”
Claim · model-written summary
These viruses caused systemic infection in permissive tobacco, tomato and potato varieties; top-necrosis varieties differed between systemic infection and local lesions.
- Taxon
- potatoSolanum tuberosume0
- Outcome
- systemic infectione0
- Qualifier
- varieties in which they are carried or cause mosaic symptomse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All give systemic infection when inoculated to tobacco, tomato and potato varieties in which they are carried or cause mosaic symptoms; some give systemic infection when inoculated to varieties in which they cause top‐necrosis, whereas others give only local lesions.”
Claim · model-written summary
Potato virus C was identified as a virus Y strain.
- Taxon
- PotatoSolanum tuberosume0
- Interactor
- Potato virus CPotato virus Y strain Ce0pathogen
- Outcome
- strain of virus Ye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato virus C is a strain of virus Y”
Claim · model-written summary
Virus C and Y produced similar symptoms in tobacco and some potato varieties, while C caused top-necrosis where Y caused leaf-drop streak.
- Taxon
- potatoSolanum tuberosume0
- Interactor
- Ce0pathogen
- Outcome
- C causes top‐necrosise0
- Comparator
- Y causes leaf‐drop streake0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in tobacco and a few potato varieties both produce similar symptoms, but in those varieties in which Y causes leaf‐drop streak, C causes top‐necrosis.”
Claim · model-written summary
Virus C produced systemic infection in tobacco and mosaic-symptom potato varieties, but not top-necrosis potato varieties.
- Taxon
- potatoSolanum tuberosume0
- Interactor
- Ce0pathogen
- Outcome
- systemic infectione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“C causes systemic infection when inoculated to tobacco and to potato varieties in which it causes mosaic symptoms, but not when inoculated to potato varieties in which it causes top‐necrosis.”
Claim · model-written summary
Virus C was not transmitted by M. persicae.
- Taxon
- potatoSolanum tuberosumt0
- Interactor
- Virus Ce0pathogen
- Second interactor
- M . persicaee0pest
- Outcome
- not transmittede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Virus C was not transmitted by M . persicae.”
t0“potato”
Claim · model-written summary
Viruses C and Y produced a few small intracellular inclusions in potato and tobacco.
- Taxon
- potatoSolanum tuberosume0
- Interactor
- Viruses C and Ye0pathogen
- Outcome
- a few small intracellular inclusionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Viruses C and Y produce a few small intracellular inclusions in potato and tobacco.”
Claim · model-written summary
Virus A was unrelated to virus Y or X.
- Taxon
- potatoSolanum tuberosumt0
- Interactor
- Virus Ae0pathogen
- Outcome
- not related to Y or Xe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Virus A is not related to Y or X”
t0“potato”
Claim · model-written summary
No inclusions were found in plants infected with virus A alone.
- Taxon
- potatoSolanum tuberosumt0
- Interactor
- Ae0pathogen
- Outcome
- no inclusionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no inclusions were found in plants infected with A alone.”
t0“potato”