Abstract
In maize cultivation, the major biotic stress affecting yield was infestation by stem borers, which results in annual yield loss ranging from 25-78 per cent. The various insecticides including botanicals, biorationals, whorl application and foliar spray of conventional insecticides are evaluated for their bio efficacy against reduction of leaf injury and dead hearts damage by maize stem borers for two seasons during 2017-18. Among the various insecticides evaluated, the least per cent leaf injury and per cent dead heart was recorded with whorl application of carbofuran 3G @ 10 Kg ha-1 at 14 days after germination and recorded 68.36, 73.30 and 65.47, 72.48 per cent reduction of leaf injury over control at 7 and 14 DAT during Kharif and Rabi seasons respectively. With respect to reduction of per cent dead hearts over control also carbofuran 3G only recorded significantly highest control over other treatments with an average of 64-78 per cent reduction. The insecticides chlorantraniliprole 0.4% GR @ 10 Kg ha-1 and chlorantraniliprole 18.5%SC @ 150 ml ha-1 also found on par with carbofuran 3G in reduction of leaf injury and dead hearts damage by maize stem borers. Further, the botanical Azadirachtin (10000 ppm) @ 150ml ha-1 also exerted an average of 50 per cent reduction of dead hearts over control. The order of efficacy of treatments in reduction of stem borer damage infesting maize represents T7: Carbofuran 3G > T6: Chlorantraniliprole 0.4% GR > T5: Chlorantraniliprole 18.5%SC > T4: Novaluron 10% EC > T1: Azadirachtin (10000ppm) > T2: B.bassiana > T3: B. thuringiensis. The highest kernel yield was also recorded in Carbofuran 3G (5895 & 5750) with 44.10 and 45.57 per cent yield advantage over control during Kharif and Rabi, 2017-18 respectively. The highest cost: benefit ratio was evinced in insecticidal treatment with carbofuran 3G (1:1.35 & 1:1.21) followed by Chlorantraniliprole 0.4% GR (1:1.14 & 1:1.11). Hence, insecticidal schedule embracing the application of Carbofuran 3G -Azadirachtin (10000ppm)- Chlorantraniliprole 0.4% GR/ Chlorantraniliprole 18.5%SC will combat with the pest infestation and may offer superior control.
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Claims 8
Claim · model-written summary
Whorl application of carbofuran 3G at 10 kg/ha gave 68.36 and 73.30 per cent reduction of leaf injury in Kharif and 65.47 and 72.48 per cent in Rabi relative to control.
- Treatment
- whorl application of carbofuran 3G @ 10 Kg ha-1e2
- Interactor
- stem borerse0pest
- Outcome
- leaf injurye1
- Direction
- reductione1
- Value
- 68.36, 73.30 and 65.47, 72.48 per cente1
- Comparator
- controle1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In maize cultivation, the major biotic stress affecting yield was infestation by stem borers”
e1“recorded 68.36, 73.30 and 65.47, 72.48 per cent reduction of leaf injury over control at 7 and 14 DAT during Kharif and Rabi seasons respectively”
e2“the least per cent leaf injury and per cent dead heart was recorded with whorl application of carbofuran 3G @ 10 Kg ha-1 at 14 days after germination”
Claim · model-written summary
Carbofuran 3G gave the significantly highest reduction of per cent dead hearts over other treatments, averaging 64-78 per cent.
- Treatment
- carbofuran 3Ge3
- Interactor
- stem borerse0pest
- Outcome
- reduction of per cent dead heartse3
- Direction
- higheste3
- Value
- 64-78 per cente3
- Comparator
- other treatmentse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In maize cultivation, the major biotic stress affecting yield was infestation by stem borers”
e3“With respect to reduction of per cent dead hearts over control also carbofuran 3G only recorded significantly highest control over other treatments with an average of 64-78 per cent reduction”
Claim · model-written summary
Chlorantraniliprole 0.4% GR at 10 kg/ha was on par with carbofuran 3G in reducing leaf injury and dead hearts damage by stem borers.
- Treatment
- chlorantraniliprole 0.4% GR @ 10 Kg ha-1e4
- Interactor
- stem borerse4pest
- Outcome
- reduction of leaf injury and dead hearts damagee4
- Direction
- on pare4
- Comparator
- carbofuran 3Ge4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“The insecticides chlorantraniliprole 0.4% GR @ 10 Kg ha-1 and chlorantraniliprole 18.5%SC @ 150 ml ha-1 also found on par with carbofuran 3G in reduction of leaf injury and dead hearts damage by maize stem borers”
Claim · model-written summary
Azadirachtin at 150 ml/ha gave an average of 50 per cent reduction of dead hearts over control.
- Treatment
- Azadirachtin (10000 ppm) @ 150ml ha-1e5
- Interactor
- stem borerse0pest
- Outcome
- dead heartse5
- Direction
- reductione5
- Value
- 50 per cente5
- Comparator
- controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In maize cultivation, the major biotic stress affecting yield was infestation by stem borers”
e5“the botanical Azadirachtin (10000 ppm) @ 150ml ha-1 also exerted an average of 50 per cent reduction of dead hearts over control”
Claim · model-written summary
Treatments ranked by efficacy in reducing stem borer damage in maize, with carbofuran 3G first and B. thuringiensis last.
- Treatment
- Carbofuran 3Ge6
- Interactor
- stem borere6pest
- Outcome
- reduction of stem borer damagee6
- Direction
- order of efficacye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“The order of efficacy of treatments in reduction of stem borer damage infesting maize represents T7: Carbofuran 3G > T6: Chlorantraniliprole 0.4% GR > T5: Chlorantraniliprole 18.5%SC > T4: Novaluron 10% EC > T1: Azadirachtin (10000ppm) > T2: B.bassiana > T3: B. thuringiensis”
Claim · model-written summary
Carbofuran 3G gave the highest kernel yield, with 44.10 and 45.57 per cent yield advantage over control in Kharif and Rabi 2017-18.
- Treatment
- Carbofuran 3Ge7
- Outcome
- kernel yielde7
- Direction
- higheste7
- Value
- 44.10 and 45.57 per cente7
- Comparator
- controle7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In maize cultivation, the major biotic stress affecting yield was infestation by stem borers”
e7“The highest kernel yield was also recorded in Carbofuran 3G (5895 & 5750) with 44.10 and 45.57 per cent yield advantage over control during Kharif and Rabi, 2017-18 respectively”
Claim · model-written summary
Carbofuran 3G gave the highest cost:benefit ratio, 1:1.35 and 1:1.21.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In maize cultivation, the major biotic stress affecting yield was infestation by stem borers”
e1“The highest cost: benefit ratio was evinced in insecticidal treatment with carbofuran 3G (1:1.35 & 1:1.21)”
Claim · model-written summary
An insecticide schedule combining carbofuran 3G, azadirachtin and chlorantraniliprole is recommended to combat stem borer infestation in maize.
- Treatment
- insecticidal schedule embracing the application of Carbofuran 3G -Azadirachtin (10000ppm)- Chlorantraniliprole 0.4% GR/ Chlorantraniliprole 18.5%SCe1
- Outcome
- pest infestatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In maize cultivation, the major biotic stress affecting yield was infestation by stem borers”
e1“insecticidal schedule embracing the application of Carbofuran 3G -Azadirachtin (10000ppm)- Chlorantraniliprole 0.4% GR/ Chlorantraniliprole 18.5%SC will combat with the pest infestation and may offer superior control”
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See all 13 papers →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.