Abstract
[Objective] The aim was to disscuss whether the selective pesticide was the inducing factor for resurgence of Cnaphalocrocis medinalis.[Method] With Wuyunjing 7 as the tested rice variety,the influence of the two selective pesticides on the oviposition of C.medinalis was studied by spraying against the 2nd and 5th instar larvae of C.medinalis resp.with 25% Buprofezin and 10% Imidacloprid at different concentrations in pot experiment and field experiment.[Result] Spraying against the 2nd instar larvae of C.medinalis with Buprofezin at 300.0,112.5,60.0 g/hm2 and spraying against the 5th instar larvae of C.medinalis with Imidacloprid at 60.0 g/hm2 all could stimulate the C.medinalis adults to oviposit,and the fecundity of adults was increased significantly compared with the control.[Conclusion] Buprofezin and Imidacloprid could stimulate the C.medinalis adults to oviposit,which was one of the inducing factors for C.medinalis resurgence.
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Claims 3
Claim · model-written summary
Buprofezin at three rates against second-instar larvae significantly increased adult C.medinalis fecundity versus control.
- Taxon
- rice
Oryza sativae0 - Material
- Wuyunjing 7e0
- Treatment
- Buprofezin at 300.0,112.5,60.0 g/hm2e1
- Interactor
- C.medinalis
Cnaphalocrocis medinalise1pest - Outcome
- fecundity of adultse1
- Direction
- increasede1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With Wuyunjing 7 as the tested rice variety”
e1“Spraying against the 2nd instar larvae of C.medinalis with Buprofezin at 300.0,112.5,60.0 g/hm2 and spraying against the 5th instar larvae of C.medinalis with Imidacloprid at 60.0 g/hm2 all could stimulate the C.medinalis adults to oviposit,and the fecundity of adults was increased significantly compared with the control”
Claim · model-written summary
Imidacloprid at 60.0 g/hm2 against fifth-instar larvae significantly increased adult C.medinalis fecundity versus control.
- Taxon
- riceOryza sativae0
- Material
- Wuyunjing 7e0
- Treatment
- Imidacloprid at 60.0 g/hm2e1
- Interactor
- C.medinalisCnaphalocrocis medinalise1pest
- Outcome
- fecundity of adultse1
- Direction
- increasede1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With Wuyunjing 7 as the tested rice variety”
e1“spraying against the 5th instar larvae of C.medinalis with Imidacloprid at 60.0 g/hm2 all could stimulate the C.medinalis adults to oviposit,and the fecundity of adults was increased significantly compared with the control”
Claim · model-written summary
The authors identify pesticide-stimulated oviposition as one inducing factor in C.medinalis resurgence.
- Taxon
- riceOryza sativae1
- Treatment
- Buprofezine0
- Interactor
- C.medinalisCnaphalocrocis medinalise0pest
- Outcome
- C.medinalis resurgencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Buprofezin and Imidacloprid could stimulate the C.medinalis adults to oviposit,which was one of the inducing factors for C.medinalis resurgence”
e1“tested rice variety”
The same questions in other papers
buprofezin · Cnaphalocrocis medinalis · Oryza sativa (rice)Positive and negative results
1 in the opposite direction
- 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.