Abstract
Liriomyza trifolii is an important pest of vegetable crops in many parts of the world including Iran. In this study potted bean plants were sprayed with recommended field rates of abamectin, chlorpyrifos, cyromazine, indoxacarb and spinosad. To assess the residual activities of these insecticides, the plants were infested with L. trifolii adults 2 hours; 1, 3, 5, 7, 10, 15, 20, 25 and 35 days after insecticidal treatments. The adults were allowed to stay on treated plants for eight hours. The treated plants were kept in a greenhouse. Number of feeding stipples and larval mines on leaves, as well as pupation and adult eclosion rates were assessed. Two-way ANOVA procedure of SAS was used for statistical analysis and the treatment means were separated using Duncan?s multiple range test. Abamectin and spinosad severely affected egg hatching and embryonic development. Eggs oviposited in leaves with residues of chlorpyrifos up to 5 days old, had reduced hatching. Larval development was also, affected by residues of chlorpyrifos up to four weeks old. Indoxacarb reduced larval development and adult eclosion in treatments with up to 20 days old residues. Cyromazine had no effect on the number of larval mines, but, pupation was severely hampered and adult eclosion was completely ceased even in treatments with five weeks old residues. Determining the residual activity of insecticides used for controlling this pest is useful in avoiding unnecessary treatments.
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Claims 8
Claim · model-written summary
Abamectin severely affected leafminer egg hatching and embryonic development.
- Taxon
- bean plantst0
- Treatment
- Abamectine0
- Interactor
- Liriomyza trifolii
Liriomyza trifoliit1pest - Outcome
- egg hatching and embryonic developmente0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Abamectin and spinosad severely affected egg hatching and embryonic development.”
t0“potted bean plants”
t1“Liriomyza trifolii”
Claim · model-written summary
Spinosad severely affected leafminer egg hatching and embryonic development.
- Taxon
- bean plantst0
- Treatment
- spinosade0
- Interactor
- Liriomyza trifoliiLiriomyza trifoliit1pest
- Outcome
- egg hatching and embryonic developmente0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Abamectin and spinosad severely affected egg hatching and embryonic development.”
t0“potted bean plants”
t1“Liriomyza trifolii”
Claim · model-written summary
Chlorpyrifos residues up to five days old reduced leafminer egg hatching.
- Taxon
- bean plantst0
- Treatment
- chlorpyrifose0
- Interactor
- Liriomyza trifoliiLiriomyza trifoliit1pest
- Outcome
- hatchinge0
- Direction
- reducede0
- Qualifier
- up to 5 days olde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Eggs oviposited in leaves with residues of chlorpyrifos up to 5 days old, had reduced hatching.”
t0“potted bean plants”
t1“Liriomyza trifolii”
Claim · model-written summary
Chlorpyrifos residues up to four weeks old affected larval development.
- Taxon
- bean plantst0
- Treatment
- chlorpyrifose0
- Interactor
- Liriomyza trifoliiLiriomyza trifoliit1pest
- Outcome
- Larval developmente0
- Qualifier
- up to four weeks olde0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Larval development was also, affected by residues of chlorpyrifos up to four weeks old.”
t0“potted bean plants”
t1“Liriomyza trifolii”
Claim · model-written summary
Indoxacarb reduced larval development and adult eclosion with up to 20-day-old residues.
- Taxon
- bean plantst0
- Treatment
- Indoxacarbe0
- Interactor
- Liriomyza trifoliiLiriomyza trifoliit1pest
- Outcome
- larval development and adult eclosione0
- Direction
- reducede0
- Qualifier
- up to 20 days old residuese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Indoxacarb reduced larval development and adult eclosion in treatments with up to 20 days old residues.”
t0“potted bean plants”
t1“Liriomyza trifolii”
Claim · model-written summary
Cyromazine had no effect on number of larval mines.
- Taxon
- bean plantst0
- Treatment
- Cyromazinee0
- Interactor
- Liriomyza trifoliiLiriomyza trifoliit1pest
- Outcome
- number of larval minese0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cyromazine had no effect on the number of larval mines”
t0“potted bean plants”
t1“Liriomyza trifolii”
Claim · model-written summary
Cyromazine severely hampered pupation.
- Taxon
- bean plantst0
- Treatment
- Cyromazinee1
- Interactor
- Liriomyza trifoliiLiriomyza trifoliit1pest
- Outcome
- pupatione0
- Direction
- hamperede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pupation was severely hampered”
t0“potted bean plants”
e1“Cyromazine had no effect on the number of larval mines”
t1“Liriomyza trifolii”
Claim · model-written summary
Cyromazine completely stopped adult eclosion with five-week-old residues.
- Taxon
- bean plantst0
- Treatment
- cyromazinee1
- Interactor
- Liriomyza trifoliiLiriomyza trifoliit1pest
- Outcome
- adult eclosione0
- Direction
- completely ceasede0
- Qualifier
- five weeks old residuese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“adult eclosion was completely ceased even in treatments with five weeks old residues.”
t0“potted bean plants”
e1“Cyromazine had no effect on the number of larval mines”
t1“Liriomyza trifolii”
The same questions in other papers
spinosad · Liriomyza trifolii · Phaseolus vulgaris (common bean)Results agree
1 paper in the same direction as this paper
- positive
cyromazine · Liriomyza trifolii · Phaseolus vulgaris (common bean)Results agree
1 paper in the same direction as this paper
- positive
chlorpyrifos · Liriomyza trifolii · Phaseolus vulgaris (common bean)Results agree
1 paper in the same direction as this paper
- positive
abamectin · Liriomyza trifolii · Phaseolus vulgaris (common bean)Results agree
3 papers in the same direction as this paper
- positive
- 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.