Abstract
) epidemics seem to be predominantly caused by isolates of the CH2 strain, PepMV epidemics in intensive tomato crops in Spain are caused by both CH2 and EU isolates that co-circulate, representing a challenge in terms of control, including cross-protection. In this work, we hypothesized that mixed infections with two mild isolates of the EU and CH2 strains (PepMV-Sp13 and -PS5, respectively) may be useful in PepMV cross-protection in Spanish epidemics, providing protection against a broad range of aggressive isolates. Thus, we performed a range of field trials and an experimental evolution assay to determine the phenotypic and genetic stability of PepMV-Sp13 and -PS5 mixed infections, as well as their cross-protective efficiency. Our results showed that: (i) the phenotype of PepMV-Sp13 and -PS5 mixed infections was mild and did not change significantly when infecting different tomato cultivars or under different environmental conditions in Spain, (ii) PepMV-Sp13 and -PS5 mixed infections provided more efficient protection against two aggressive EU and CH2 isolates than single infections, and (iii) PepMV-Sp13 and -PS5, either in single or in mixed infections, were less variable than other two PepMV isolates occurring naturally in PepMV epidemics in Spain.
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Claims 3
Claim · model-written summary
Mixed infections with PepMV-Sp13 and -PS5 had a mild phenotype that did not change significantly across tomato cultivars or environmental conditions in Spain.
- Taxon
- tomato
Solanum lycopersicume1 - Material
- PepMV-Sp13 and -PS5e1
- Interactor
- PepMV-Sp13 and -PS5e1pathogen
- Outcome
- phenotype of PepMV-Sp13 and -PS5 mixed infectionse1
- Qualifier
- milde1
- Setting
- Spaine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the phenotype of PepMV-Sp13 and -PS5 mixed infections was mild and did not change significantly when infecting different tomato cultivars or under different environmental conditions in Spain”
Claim · model-written summary
Mixed infections with PepMV-Sp13 and -PS5 gave more efficient protection against two aggressive EU and CH2 isolates than single infections.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- PepMV-Sp13 and -PS5 mixed infectionse2
- Interactor
- two aggressive EU and CH2 isolatese2pathogen
- Second interactor
- PepMV-Sp13 and -PS5e2biocontrol_agent
- Outcome
- protectione2
- Direction
- more efficiente2
- Comparator
- single infectionse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PepMV epidemics in intensive tomato crops in Spain”
e2“PepMV-Sp13 and -PS5 mixed infections provided more efficient protection against two aggressive EU and CH2 isolates than single infections”
Claim · model-written summary
PepMV-Sp13 and -PS5, in single or mixed infection, were less variable than two other PepMV isolates occurring in Spanish epidemics.
- Taxon
- tomatoSolanum lycopersicume0
- Material
- PepMV-Sp13 and -PS5e3
- Outcome
- variablee3
- Direction
- lesse3
- Comparator
- other two PepMV isolatese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PepMV epidemics in intensive tomato crops in Spain”
e3“PepMV-Sp13 and -PS5, either in single or in mixed infections, were less variable than other two PepMV isolates occurring naturally in PepMV epidemics in Spain”
The same questions in other papers
infection · control · Solanum lycopersicum (tomato)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
1 paper more in this group
See all 5 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.