Abstract
A survey has shown that both lettuce necrotic yellows virus (LNYV) and its vector Hyperomyzus lactucae are commonly associated with the widely distributed host plant, Sonchus oleraceus. Three newly discovered naturally infected host plant species, Reichardia tingitana, Sonchus hydrophilus, and Embergeria megalocarpa, have a restricted distribution, yet their ability to support colonies of the vector shows that they are potential sources of LNYV. Both S. hydrophilus and E. megalocarpa appear to be endemic to Australasia, and the possibility that either could be the original source of LNYV is discussed. Serological relationships have been demonstrated between some isolates of LNYV. A simple and rapid method for concentrating LNYV from sap extracts for serological testing is described. Hyperomyzus carduellinus has been shown to transmit LNYV, and the distinguishing morphological characteristics of this species are described. Its geographical distribution is limited, and it was found most commonly on R. tingitana.
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Claims 10
Claim · model-written summary
Sonchus oleraceus commonly carried the virus and its vector.
- Taxon
- Sonchus oleraceus
Sonchus oleraceuse0 - Interactor
- lettuce necrotic yellows virusLettuce necrotic yellows viruse0pathogen
- Second interactor
- Hyperomyzus lactucae
_-_Flickr_-_S._Rae.jpg?width=60)
Hyperomyzus lactucaee0pest - Outcome
- commonly associatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_-_Flickr_-_S._Rae.jpg?width=500)
Verbatim
e0“both lettuce necrotic yellows virus (LNYV) and its vector Hyperomyzus lactucae are commonly associated with the widely distributed host plant, Sonchus oleraceus”
Claim · model-written summary
Reichardia tingitana was a newly discovered naturally infected host with restricted distribution and supported vector colonies.
- Taxon
- Reichardia tingitana
Reichardia tingitanae0 - Interactor
- LNYVe0pathogen
- Outcome
- naturally infected host plant speciese0
- Qualifier
- restricted distributione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three newly discovered naturally infected host plant species, Reichardia tingitana, Sonchus hydrophilus, and Embergeria megalocarpa, have a restricted distribution, yet their ability to support colonies of the vector shows that they are potential sources of LNYV”
Claim · model-written summary
Sonchus hydrophilus was a newly discovered naturally infected host with restricted distribution and supported vector colonies.
- Taxon
- Sonchus hydrophilus
.jpg?width=60)
Sonchus hydrophiluse0 - Interactor
- LNYVe0pathogen
- Outcome
- naturally infected host plant speciese0
- Qualifier
- restricted distributione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Three newly discovered naturally infected host plant species, Reichardia tingitana, Sonchus hydrophilus, and Embergeria megalocarpa, have a restricted distribution, yet their ability to support colonies of the vector shows that they are potential sources of LNYV”
Claim · model-written summary
Embergeria megalocarpa was a newly discovered naturally infected host with restricted distribution and supported vector colonies.
Verbatim
e0“Three newly discovered naturally infected host plant species, Reichardia tingitana, Sonchus hydrophilus, and Embergeria megalocarpa, have a restricted distribution, yet their ability to support colonies of the vector shows that they are potential sources of LNYV”
Claim · model-written summary
Sonchus hydrophilus appears endemic to Australasia.
- Taxon
- S. hydrophilusSonchus hydrophiluse0
- Outcome
- endemic to Australasiae0
- Setting
- Australasiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both S. hydrophilus and E. megalocarpa appear to be endemic to Australasia”
Claim · model-written summary
Embergeria megalocarpa appears endemic to Australasia.
Verbatim
e0“Both S. hydrophilus and E. megalocarpa appear to be endemic to Australasia”
Claim · model-written summary
The authors demonstrated serological relationships among LNYV isolates.
- Taxon
- lettuce
Lactuca sativat0 - Interactor
- LNYVe0pathogen
- Outcome
- Serological relationshipse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Serological relationships have been demonstrated between some isolates of LNYV”
t0“lettuce necrotic yellows virus in South Australia”
Claim · model-written summary
A simple rapid method concentrated LNYV from sap for serological testing.
- Taxon
- lettuceLactuca sativat0
- Interactor
- LNYVe0pathogen
- Outcome
- concentrating LNYV from sap extracts for serological testinge0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A simple and rapid method for concentrating LNYV from sap extracts for serological testing is described”
t0“lettuce necrotic yellows virus in South Australia”
Claim · model-written summary
Hyperomyzus carduellinus transmitted LNYV.
- Taxon
- lettuceLactuca sativat0
- Interactor
- Hyperomyzus carduellinusHyperomyzus carduellinuse0pest
- Outcome
- transmit LNYVe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hyperomyzus carduellinus has been shown to transmit LNYV”
t0“lettuce necrotic yellows virus in South Australia”
Claim · model-written summary
Hyperomyzus carduellinus had limited distribution and was most common on Reichardia tingitana.
- Taxon
- R. tingitanaReichardia tingitanae0
- Interactor
- Hyperomyzus carduellinusHyperomyzus carduellinuse1pest
- Outcome
- found most commonly on R. tingitanae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Its geographical distribution is limited, and it was found most commonly on R. tingitana”
e1“Hyperomyzus carduellinus has been shown to transmit LNYV”