Abstract
The research was undertaken in the entomological field of Bangladesh Agricultural University (BAU), Mymensingh during the Boro crop of 2015-16 and 2016-17. Fourteen generic of single-molecule insecticide along with control were used separately in this experiment. Among the 14 single-molecule insecticides, four generics were synthetic pyrethroid group insecticide. Causes of resurgence were determined in the form of a resurgence ratio. More resurgence of brown planthopper, Nilaparvata lugens (Stål) on rice was induced by the application of all synthetic pyrethroids i.e., Cypermethrin, Deltamethrin, Fenvalerate, and Lambda cyhalothrin along with Acetamiprid, Chlorpyrifos, Phenthoate, and Thiamethoxam (resurgence ration 1.0 or above) compared to Pymetrozine 50WG (0.26), Dinotefuran 20SG (0.29), Isoprocarb/MIPC 75WP (0.43), Cartap 50SP (0.76) and Imidacloprid 20SL (0.91). Commonly used recommended insecticides i.e., Imidacloprid 20SL, Cartap 50SP, Isoprocarb/MIPC 75WP, Pymetrozine 50WG, and Thiamethoxam 25WG were used in 3 different doses (i.e., low, recommended, and high) and found that all recommended insecticides were induced higher resurgence ratio (≥1.0) except Pymetrozine 50WG when applied at sub-lethal dose. A positive correlation was found between resurgence ratio and yield loss.
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Claims 8
Claim · model-written summary
Eight named insecticides induced greater brown planthopper resurgence.
- Taxon
- rice
Oryza sativae0 - Treatment
- Cypermethrin, Deltamethrin, Fenvalerate, and Lambda cyhalothrin along with Acetamiprid, Chlorpyrifos, Phenthoate, and Thiamethoxame0
- Interactor
- Nilaparvata lugens (Stål)
Nilaparvata lugense0pest - Outcome
- resurgence of brown planthoppere0
- Direction
- Moree0
- Value
- 1.0 or abovee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“More resurgence of brown planthopper, Nilaparvata lugens (Stål) on rice was induced by the application of all synthetic pyrethroids i.e., Cypermethrin, Deltamethrin, Fenvalerate, and Lambda cyhalothrin along with Acetamiprid, Chlorpyrifos, Phenthoate, and Thiamethoxam (resurgence ration 1.0 or above)”
Claim · model-written summary
Pymetrozine 50WG had a resurgence ratio of 0.26.
- Taxon
- RiceOryza sativat0
- Treatment
- Pymetrozine 50WGe0
- Interactor
- Brown PlanthopperNilaparvata lugenst0pest
- Outcome
- resurgence ratioe1
- Value
- 0.26e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pymetrozine 50WG (0.26)”
e1“in the form of a resurgence ratio”
t0“Brown Planthopper, Nilaparvata lugens (Stål) on Rice”
Claim · model-written summary
Dinotefuran 20SG had a resurgence ratio of 0.29.
- Taxon
- RiceOryza sativat0
- Treatment
- Dinotefuran 20SGe0
- Interactor
- Brown PlanthopperNilaparvata lugenst0pest
- Outcome
- resurgence ratioe1
- Value
- 0.29e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dinotefuran 20SG (0.29)”
e1“in the form of a resurgence ratio”
t0“Brown Planthopper, Nilaparvata lugens (Stål) on Rice”
Claim · model-written summary
Isoprocarb/MIPC 75WP had a resurgence ratio of 0.43.
- Taxon
- RiceOryza sativat0
- Treatment
- Isoprocarb/MIPC 75WPe0
- Interactor
- Brown PlanthopperNilaparvata lugenst0pest
- Outcome
- resurgence ratioe1
- Value
- 0.43e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Isoprocarb/MIPC 75WP (0.43)”
e1“in the form of a resurgence ratio”
t0“Brown Planthopper, Nilaparvata lugens (Stål) on Rice”
Claim · model-written summary
Cartap 50SP had a resurgence ratio of 0.76.
- Taxon
- RiceOryza sativat0
- Treatment
- Cartap 50SPe0
- Interactor
- Brown PlanthopperNilaparvata lugenst0pest
- Outcome
- resurgence ratioe1
- Value
- 0.76e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cartap 50SP (0.76)”
e1“in the form of a resurgence ratio”
t0“Brown Planthopper, Nilaparvata lugens (Stål) on Rice”
Claim · model-written summary
Imidacloprid 20SL had a resurgence ratio of 0.91.
- Taxon
- RiceOryza sativat0
- Treatment
- Imidacloprid 20SLe0
- Interactor
- Brown PlanthopperNilaparvata lugenst0pest
- Outcome
- resurgence ratioe1
- Value
- 0.91e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Imidacloprid 20SL (0.91)”
e1“in the form of a resurgence ratio”
t0“Brown Planthopper, Nilaparvata lugens (Stål) on Rice”
Claim · model-written summary
Sublethal doses of recommended insecticides other than Pymetrozine induced resurgence ratios of at least 1.0.
- Taxon
- RiceOryza sativat0
- Treatment
- recommended insecticidese0
- Interactor
- Brown PlanthopperNilaparvata lugenst0pest
- Outcome
- resurgence ratioe0
- Direction
- highere0
- Value
- ≥1.0e0
- Qualifier
- sub-lethal dosee0
- Comparator
- Pymetrozine 50WGe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all recommended insecticides were induced higher resurgence ratio (≥1.0) except Pymetrozine 50WG when applied at sub-lethal dose”
t0“Brown Planthopper, Nilaparvata lugens (Stål) on Rice”
Claim · model-written summary
Resurgence ratio was positively correlated with yield loss.
- Taxon
- RiceOryza sativat0
- Treatment
- applicatione1
- Outcome
- yield losse0
- Direction
- positivee0
- Qualifier
- resurgence ratioe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A positive correlation was found between resurgence ratio and yield loss”
t0“Rice”
e1“on rice was induced by the application”
The same questions in other papers
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1 in the opposite direction
- negative
lambda-cyhalothrin · Nilaparvata lugens · Oryza sativa (rice)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
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cartap · Nilaparvata lugens · Oryza sativa (rice)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
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acetamiprid · Nilaparvata lugens · Oryza sativa (rice)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
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thiamethoxam · Nilaparvata lugens · Oryza sativa (rice)Positive and negative results
1 paper in the same direction as this paper · 3 in the opposite direction
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See all 5 papers →dinotefuran · Nilaparvata lugens · Oryza sativa (rice)Positive and negative results
5 papers in the same direction as this paper · 1 in the opposite direction
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- positive
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See all 7 papers →deltamethrin · Nilaparvata lugens · Oryza sativa (rice)Positive and negative results
5 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
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See all 8 papers →imidacloprid · Nilaparvata lugens · Oryza sativa (rice)Positive and negative results
11 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
10 papers more in this group
See all 14 papers →8 of 13 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.