Abstract
Some insecticides were evaluated against the larvae of Helicoverpa armigera and Spodoptera litura on tomato at Bidhan Chandra Krishi Viswavidyalaya, Kalyani during 2012 to 2014 under field conditions. The treatments viz., pyridalyl 10 EC (75 and 150 g a.i./ha), indoxacarb 14.5 SC (75 and 150 g a.i./ha), chlorfenapyr 10 SC (100 and 200 g a.i./ha) and chlorpyriphos 20 EC (350 g a.i./ha) were applied twice with three replications. Pooled results revealed that pyridalyl @ 150 g a.i./ha reduced the larval population of H. armigera (1.05 larvae/5 plants) to an extent of 84.19%. In case of S. litura, larval population was the least with pyridalyl @ 150 g a.i./ha (1.44 larvae/5 plants, and 78.94% reduction). It was at par with indoxacarb @ 150 g a.i./ha (1.53 larvae/5 plants). Pyridalyl was also observed to be the safest as regards coccinellids and spiders, followed by indoxacarb and chlorfenapyr; and chlorpyriphos was highly toxic.
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Claims 5
Claim · model-written summary
Pyridalyl at 150 g a.i./ha reduced the H. armigera larval population by 84.19%.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- pyridalyl @ 150 g a.i./hae1
- Interactor
- H. armigera
_gusano_cogollero.png?width=60)
Helicoverpa armigerae1pest - Outcome
- larval population of H. armigerae1
- Direction
- reducede1
- Value
- 84.19%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_gusano_cogollero.png?width=500)
Verbatim
e0“larvae of Helicoverpa armigera and Spodoptera litura on tomato”
e1“Pooled results revealed that pyridalyl @ 150 g a.i./ha reduced the larval population of H. armigera (1.05 larvae/5 plants) to an extent of 84.19%”
Claim · model-written summary
Pyridalyl at 150 g a.i./ha gave the least S. litura larval population, a 78.94% reduction.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- pyridalyl @ 150 g a.i./hae2
- Interactor
- S. litura
Spodoptera liturae2pest - Outcome
- larval populatione2
- Direction
- leaste2
- Value
- 78.94%e2
- Qualifier
- 1.44 larvae/5 plantse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“larvae of Helicoverpa armigera and Spodoptera litura on tomato”
e2“In case of S. litura, larval population was the least with pyridalyl @ 150 g a.i./ha (1.44 larvae/5 plants, and 78.94% reduction). It was at par with indoxacarb @ 150 g a.i./ha (1.53 larvae/5 plants)”
Claim · model-written summary
Indoxacarb at 150 g a.i./ha gave an S. litura larval population at par with pyridalyl at 150 g a.i./ha.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- indoxacarb @ 150 g a.i./hae2
- Interactor
- S. lituraSpodoptera liturae2pest
- Outcome
- larval populatione2
- Direction
- at pare2
- Value
- 1.53 larvae/5 plantse2
- Comparator
- pyridalyl @ 150 g a.i./hae2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“larvae of Helicoverpa armigera and Spodoptera litura on tomato”
e2“In case of S. litura, larval population was the least with pyridalyl @ 150 g a.i./ha (1.44 larvae/5 plants, and 78.94% reduction). It was at par with indoxacarb @ 150 g a.i./ha (1.53 larvae/5 plants)”
Claim · model-written summary
Pyridalyl was the safest insecticide to coccinellids and spiders, followed by indoxacarb and chlorfenapyr.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- Pyridalyle4
- Interactor
- coccinellidse4other
- Outcome
- as regards coccinellids and spiderse4
- Direction
- safeste4
- Qualifier
- followed by indoxacarb and chlorfenapyre4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“larvae of Helicoverpa armigera and Spodoptera litura on tomato”
e4“Pyridalyl was also observed to be the safest as regards coccinellids and spiders, followed by indoxacarb and chlorfenapyr”
Claim · model-written summary
Chlorpyriphos was highly toxic to coccinellids and spiders.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- chlorpyriphose5
- Interactor
- coccinellids and spiderse5other
- Outcome
- highly toxice5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“larvae of Helicoverpa armigera and Spodoptera litura on tomato”
e5“as regards coccinellids and spiders, followed by indoxacarb and chlorfenapyr; and chlorpyriphos was highly toxic”
The same questions in other papers
indoxacarb · Spodoptera litura · Solanum lycopersicum (tomato)Positive and negative results
1 reporting no difference from an alternative
- positive
pyridalyl · Spodoptera litura · Solanum lycopersicum (tomato)Results agree
1 paper in the same direction as this paper
- positive
pyridalyl · Helicoverpa armigera · Solanum lycopersicum (tomato)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.