Abstract
SUMMARY The effect of the insecticides malathion, demeton‐S‐methyl and disulfoton, and a barley barrier row on the rate and pattern of spread of bean yellow mosaic potyvirus (BYMV) and subterranean clover red leaf luteovirus (SCRLV) in Vicia faba was investigated in field plots with artificially introduced sources of viruses and vectors. The systemic insecticide treatments reduced aphid populations in the plots and this was associated with reduced spread of SCRLV, but not of BYMV. The barley barrier did not affect aphid populations in plots; however, it reduced the spread of BYMV to rows 1 · 1 m from the source but had only a minor effect on the spread of SCRLV. Apterae rather than alates of Aulacorthum solani were implicated in the spread of SCRLV. Spread of BYMV was attributed mainly to alate migrants of Myzus persicae and Macrosiphum euphorbiae , but other aphid species and morphs which occurred in high populations at the times of most rapid virus spread may also have had an active role as vectors of BYMV.
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Claims 10
Claim · model-written summary
Systemic insecticides reduced aphid populations.
- Taxon
- Vicia faba
Vicia fabat0 - Treatment
- systemic insecticide treatmentse0
- Outcome
- aphid populationse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“The systemic insecticide treatments reduced aphid populations in the plots”
Claim · model-written summary
Reduced aphid populations were associated with reduced SCRLV spread.
- Taxon
- Vicia fabaVicia fabat0
- Interactor
- SCRLVe0pathogen
- Outcome
- spread of SCRLVe0
- Direction
- reducede0
- Qualifier
- this was associated with reduced spread of SCRLVe0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“this was associated with reduced spread of SCRLV”
Claim · model-written summary
Systemic insecticides did not reduce BYMV spread.
- Taxon
- Vicia fabaVicia fabat0
- Treatment
- systemic insecticide treatmentse0
- Interactor
- BYMV
Bean yellow mosaic viruse0pathogen - Outcome
- spread of SCRLV, but not of BYMVe0
- Direction
- no_changeinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“The systemic insecticide treatments reduced aphid populations in the plots and this was associated with reduced spread of SCRLV, but not of BYMV”
Claim · model-written summary
The barley barrier did not affect aphid populations.
- Taxon
- Vicia fabaVicia fabat0
- Treatment
- barley barriere0
- Outcome
- aphid populationse0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“The barley barrier did not affect aphid populations in plots”
Claim · model-written summary
The barley barrier reduced BYMV spread to nearby rows.
- Taxon
- Vicia fabaVicia fabat0
- Interactor
- BYMVBean yellow mosaic viruse0pathogen
- Outcome
- spread of BYMVe0
- Direction
- reducede0
- Value
- 1 · 1 me0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“it reduced the spread of BYMV to rows 1 · 1 m from the source”
Claim · model-written summary
The barley barrier had only a minor effect on SCRLV spread.
- Taxon
- Vicia fabaVicia fabat0
- Treatment
- barley barriere0
- Interactor
- SCRLVe0pathogen
- Outcome
- spread of SCRLVe0
- Qualifier
- only a minor effecte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“The barley barrier did not affect aphid populations in plots; however, it reduced the spread of BYMV to rows 1 · 1 m from the source but had only a minor effect on the spread of SCRLV”
Claim · model-written summary
Apterae of Aulacorthum solani were implicated in SCRLV spread more than alates.
- Taxon
- Vicia fabaVicia fabat0
- Interactor
- Aulacorthum solani
Aulacorthum solanie0pest - Second interactor
- SCRLVe0pathogen
- Outcome
- spread of SCRLVe0
- Comparator
- alatese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“Apterae rather than alates of Aulacorthum solani were implicated in the spread of SCRLV”
Claim · model-written summary
Alate Myzus persicae migrants were attributed as main BYMV vectors.
- Taxon
- Vicia fabaVicia fabat0
- Interactor
- BYMVBean yellow mosaic viruse0pathogen
- Second interactor
- Myzus persicae
Myzus persicaee0pest - Outcome
- Spread of BYMVe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“Spread of BYMV was attributed mainly to alate migrants of Myzus persicae and Macrosiphum euphorbiae”
Claim · model-written summary
Alate Macrosiphum euphorbiae migrants were attributed as main BYMV vectors.
- Taxon
- Vicia fabaVicia fabat0
- Interactor
- BYMVBean yellow mosaic viruse0pathogen
- Second interactor
- Macrosiphum euphorbiae
Macrosiphum euphorbiaee0pest - Outcome
- Spread of BYMVe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“Spread of BYMV was attributed mainly to alate migrants of Myzus persicae and Macrosiphum euphorbiae”
Claim · model-written summary
Other abundant aphids may also have vectored BYMV.
- Taxon
- Vicia fabaVicia fabat0
- Interactor
- BYMVBean yellow mosaic viruse0pathogen
- Second interactor
- other aphid species and morphse0pest
- Outcome
- vectors of BYMVe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Vicia faba”
e0“other aphid species and morphs which occurred in high populations at the times of most rapid virus spread may also have had an active role as vectors of BYMV”
The same questions in other papers
Hordeum vulgare · pest · Vicia faba (faba bean)Results agree
1 paper in the same direction as this paper
- negative
trap barrier · pest · Vicia faba (faba bean)Positive and negative results
1 in the opposite direction
- positive
insecticide · pest · Vicia faba (faba bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
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.