Abstract
Summary A collection of 42 isolates of Melampsora allii‐populina was established. Fourteen isolates were collected from various poplar cultivars over several French localities and 28 isolates from the alternate hosts (Allium spp., Arum spp. and Muscari comosum) obtained from nature or after inoculation. These isolates were inoculated in the laboratory on a large range of poplar cultivars belonging to several species. No isolate proved pathogenic on all cultivars and many qualitative interactions were observed between isolates and cultivars. This is the first evidence for the existence of physiological races within this fungus. No link was found between pathogenicity on poplar and on the alternate hosts. Among the inoculated cultivars, at least three were susceptible to all isolates (Beaupre, Candicans and Robusta), whereas the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk. Race‐specific resistance to M. allii‐populina (i.e. resistance to some races of the pathogen, but not to the others) has been found in two North American species (Populus deltoides and Populus trichocarpa) which have never coevolved with this fungus. The results are discussed in comparison with Melampsora larici‐populina.
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Claims 20
Claim · model-written summary
A collection of 42 Melampsora allii‐populina isolates was established.
Verbatim
e0“A collection of 42 isolates of Melampsora allii‐populina was established.”
Claim · model-written summary
No isolate was pathogenic on all poplar cultivars.
- Interactor
- Melampsora allii‐populinae2pathogen
- Outcome
- No isolate proved pathogenic on all cultivarse0
- Setting
- laboratorye1
PopulusNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No isolate proved pathogenic on all cultivars and many qualitative interactions were observed between isolates and cultivars.”
e1“These isolates were inoculated in the laboratory on a large range of poplar cultivars belonging to several species.”
e2“A collection of 42 isolates of Melampsora allii‐populina was established.”
Claim · model-written summary
Many qualitative isolate–cultivar interactions were observed.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No isolate proved pathogenic on all cultivars and many qualitative interactions were observed between isolates and cultivars.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
The authors report first evidence of physiological races in this fungus.
Not reportedDirection
Verbatim
e0“This is the first evidence for the existence of physiological races within this fungus.”
e1“Melampsora allii‐populina”
Claim · model-written summary
Pathogenicity on poplar was not linked to pathogenicity on alternate hosts.
- Interactor
- Melampsora allii‐populinae1pathogen
- Outcome
- pathogenicity on poplare0
- Direction
- No linke0
- Comparator
- alternate hostse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No link was found between pathogenicity on poplar and on the alternate hosts.”
e1“Melampsora allii‐populina”
Claim · model-written summary
Beaupre was susceptible to all isolates.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the inoculated cultivars, at least three were susceptible to all isolates (Beaupre, Candicans and Robusta)”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Candicans was susceptible to all isolates.
- Material
- Candicanse0
- Interactor
- Melampsora allii‐populinae2pathogen
- Outcome
- susceptible to all isolatese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the inoculated cultivars, at least three were susceptible to all isolates (Beaupre, Candicans and Robusta)”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Robusta was susceptible to all isolates.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the inoculated cultivars, at least three were susceptible to all isolates (Beaupre, Candicans and Robusta)”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Altichiero showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Carpaccio showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Cima showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Fritzi Pauley showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
I 154 showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Isieres showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Luisa Avanzo showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
NL 2842 showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Rap showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Spijk showed qualitative reactions to inoculated isolates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the following showed qualitative reactions to the inoculated isolates: Altichiero, Carpaccio, Cima, Fritzi Pauley, I 154, Isieres, Luisa Avanzo, NL 2842, Rap and Spijk.”
e1“poplar cultivars belonging to several species”
e2“Melampsora allii‐populina”
Claim · model-written summary
Populus deltoides showed race-specific resistance despite never having coevolved with the fungus.
- Taxon
- Populus deltoides
Populus deltoidese0 - Interactor
- M. allii‐populinae0pathogen
- Outcome
- Race‐specific resistancee0
- Qualifier
- which have never coevolved with this funguse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Race‐specific resistance to M. allii‐populina (i.e. resistance to some races of the pathogen, but not to the others) has been found in two North American species (Populus deltoides and Populus trichocarpa) which have never coevolved with this fungus.”
Claim · model-written summary
Populus trichocarpa showed race-specific resistance despite never having coevolved with the fungus.
- Taxon
- Populus trichocarpa
Populus trichocarpae0 - Interactor
- M. allii‐populinae0pathogen
- Outcome
- Race‐specific resistancee0
- Qualifier
- which have never coevolved with this funguse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Race‐specific resistance to M. allii‐populina (i.e. resistance to some races of the pathogen, but not to the others) has been found in two North American species (Populus deltoides and Populus trichocarpa) which have never coevolved with this fungus.”