Abstract
ABSTRACT Disease is an integral element of agricultural and natural systems, but the roles pathogens play in determining ecosystem response to elevated CO 2 have rarely been examined. To investigate whether disease can alter the response of plants to CO 2 , we examined the effects of doubled CO 2 (∼700 μmol mol −1 ) on Avena sativa infected with barley yellow dwarf virus (BYDV), a common pathogen of cereals and grasses. Oats infected with BYDV showed a significantly greater biomass response to CO 2 enrichment than did healthy plants. Root mass of diseased plants increased by 37–60% with CO 2 enrichment, but was largely unaffected in healthy plants. CO 2 enrichment increased midday leaf‐level photosynthesis and instantaneous water use efficiency by 34 and 93% in healthy plants and by 48 and 174% in infected plants. Foliar carbohydrates increased with both CO 2 enrichment and BYDV infection, but the two factors affected individual pools dissimilarly. CO 2 enrichment may alter the epidemiology of BYDV by increasing the persistence of infected plants.
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Claims 11
Claim · model-written summary
Oats infected with BYDV showed a significantly greater biomass response to CO2 enrichment than healthy plants.
- Taxon
- Avena sativa
Avena sativae0 - Treatment
- CO 2 enrichmente1
- Interactor
- barley yellow dwarf virus (BYDV)
Barley yellow dwarf viruse0pathogen - Outcome
- biomass responsee1
- Direction
- greatere1
- Comparator
- healthy plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“Oats infected with BYDV showed a significantly greater biomass response to CO 2 enrichment than did healthy plants”
Claim · model-written summary
Root mass of BYDV-infected oat plants increased by 37-60% with CO2 enrichment.
- Taxon
- Avena sativaAvena sativae0
- Treatment
- CO 2 enrichmente1
- Interactor
- barley yellow dwarf virus (BYDV)Barley yellow dwarf viruse0pathogen
- Outcome
- Root mass of diseased plantse1
- Direction
- increasede1
- Value
- 37–60%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“Root mass of diseased plants increased by 37–60% with CO 2 enrichment, but was largely unaffected in healthy plants”
Claim · model-written summary
Root mass of healthy oat plants was largely unaffected by CO2 enrichment.
- Taxon
- Avena sativaAvena sativae0
- Treatment
- CO 2 enrichmente1
- Outcome
- Root masse1
- Direction
- largely unaffectede1
- Qualifier
- healthy plantse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“Root mass of diseased plants increased by 37–60% with CO 2 enrichment, but was largely unaffected in healthy plants”
Claim · model-written summary
CO2 enrichment increased midday leaf-level photosynthesis by 34% in healthy oat plants.
- Taxon
- Avena sativaAvena sativae0
- Treatment
- CO 2 enrichmente1
- Interactor
- barley yellow dwarf virus (BYDV)Barley yellow dwarf viruse0pathogen
- Outcome
- midday leaf‐level photosynthesise1
- Direction
- increasede1
- Value
- 34e1
- Qualifier
- healthy plantse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“CO 2 enrichment increased midday leaf‐level photosynthesis and instantaneous water use efficiency by 34 and 93% in healthy plants and by 48 and 174% in infected plants”
Claim · model-written summary
CO2 enrichment increased instantaneous water use efficiency by 93% in healthy oat plants.
- Taxon
- Avena sativaAvena sativae0
- Treatment
- CO 2 enrichmente1
- Interactor
- barley yellow dwarf virus (BYDV)Barley yellow dwarf viruse0pathogen
- Outcome
- instantaneous water use efficiencye1
- Direction
- increasede1
- Value
- 93%e1
- Qualifier
- healthy plantse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“CO 2 enrichment increased midday leaf‐level photosynthesis and instantaneous water use efficiency by 34 and 93% in healthy plants and by 48 and 174% in infected plants”
Claim · model-written summary
CO2 enrichment increased midday leaf-level photosynthesis by 48% in BYDV-infected oat plants.
- Taxon
- Avena sativaAvena sativae0
- Treatment
- CO 2 enrichmente1
- Interactor
- barley yellow dwarf virus (BYDV)Barley yellow dwarf viruse0pathogen
- Outcome
- midday leaf‐level photosynthesise1
- Direction
- increasede1
- Value
- 48e1
- Qualifier
- infected plantse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“CO 2 enrichment increased midday leaf‐level photosynthesis and instantaneous water use efficiency by 34 and 93% in healthy plants and by 48 and 174% in infected plants”
Claim · model-written summary
CO2 enrichment increased instantaneous water use efficiency by 174% in BYDV-infected oat plants.
- Taxon
- Avena sativaAvena sativae0
- Treatment
- CO 2 enrichmente1
- Interactor
- barley yellow dwarf virus (BYDV)Barley yellow dwarf viruse0pathogen
- Outcome
- instantaneous water use efficiencye1
- Direction
- increasede1
- Value
- 174%e1
- Qualifier
- infected plantse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“CO 2 enrichment increased midday leaf‐level photosynthesis and instantaneous water use efficiency by 34 and 93% in healthy plants and by 48 and 174% in infected plants”
Claim · model-written summary
Foliar carbohydrates increased with CO2 enrichment in oats.
- Taxon
- Avena sativaAvena sativae0
- Treatment
- CO 2 enrichmente1
- Outcome
- Foliar carbohydratese1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“Foliar carbohydrates increased with both CO 2 enrichment and BYDV infection, but the two factors affected individual pools dissimilarly”
Claim · model-written summary
Foliar carbohydrates increased with BYDV infection in oats.
- Taxon
- Avena sativaAvena sativae0
- Treatment
- BYDV infectione1
- Interactor
- barley yellow dwarf virus (BYDV)Barley yellow dwarf viruse0pathogen
- Outcome
- Foliar carbohydratese1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“Foliar carbohydrates increased with both CO 2 enrichment and BYDV infection, but the two factors affected individual pools dissimilarly”
Claim · model-written summary
CO2 enrichment and BYDV infection affected individual foliar carbohydrate pools dissimilarly.
- Taxon
- Avena sativaAvena sativae0
- Interactor
- barley yellow dwarf virus (BYDV)Barley yellow dwarf viruse0pathogen
- Outcome
- individual poolse1
- Qualifier
- affected individual pools dissimilarlye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“Foliar carbohydrates increased with both CO 2 enrichment and BYDV infection, but the two factors affected individual pools dissimilarly”
Claim · model-written summary
The authors suggest CO2 enrichment may alter the epidemiology of BYDV by increasing the persistence of infected plants.
- Taxon
- Avena sativaAvena sativae0
- Treatment
- CO 2 enrichmente1
- Interactor
- barley yellow dwarf virus (BYDV)Barley yellow dwarf viruse0pathogen
- Outcome
- epidemiology of BYDVe1
- Qualifier
- increasing the persistence of infected plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avena sativa infected with barley yellow dwarf virus (BYDV)”
e1“CO 2 enrichment may alter the epidemiology of BYDV by increasing the persistence of infected plants”
The same questions in other papers
co2 · growth · Avena sativa (oats)Positive and negative results
1 paper in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
3 papers more in this group
See all 7 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.