Abstract
An experiment was conducted at research field of National Sugarcane Research Program, Jeetpur, Nepal in 2014 and 2016, to evaluate the efficacy of chemical insecticides against sugarcane top borer (Scirpophaga excerptalis Walker). Nine different treatments viz. Chlorantraniliprole 0.4 G, Cartap hydrochloride 4 G, Fipronil 0.3 G, Carbofuran 3 G (standard check) as soil application and foliar spray of Chlorantraniliprole 18.5 SC, Thiodicarp 75 WP, Spinosad 45 SC, Chlorpyrifos 20 EC (standard check) and one untreated check (control) were used in randomized complete block design with three replications. The top borer susceptible genotype, Co 0238 was planted on February and single application of these insecticides was done on July at brood stage against top borers. The lowest 10.65 and 12.43, 13.68, 14.61, 14.15 percentage of top borer damage was found in foliar application of Chlorantraniliprole @ 35g a.i. /ha followed by Spinosad @ 125g a.i. /ha and soil application of Cartap hydrochloride @ 1500g a.i /ha and foliar application of Thiodicarp @ 1500g a.i. /ha and Fipronil @ 100g a.i. /ha. The infestation percentage reduction over control was found highest in Chlorantraniliprole (69.40%) followed by Spinosad (64.29%) treated plots. Furthermore, the cane yield was highest in Chlorantraniliprole (92.30 mt/ha) and Spinosad (90.06 mt/ha) treated plots than that of other insecticide treated plots. The number of millable canes and cane diameter in the plots among the treatment was found non-significant. Based on the infestation reduction rate, foliar application of the chemical insecticide (Chlorantraniliprole 18.5 SC and Spinosad 45 SC) could be better option for chemical management of sugarcane top borer.
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Claims 11
Claim · model-written summary
Foliar application of Chlorantraniliprole gave the lowest top borer damage, 10.65 percent.
- Taxon
- sugarcanet0
- Treatment
- foliar application of Chlorantraniliprole @ 35g a.i. /hae1
- Interactor
- top borere1pest
- Outcome
- top borer damagee1
- Direction
- loweste1
- Value
- 10.65e1
Not reportedComparator
Verbatim
t0“sugarcane”
e1“The lowest 10.65 and 12.43, 13.68, 14.61, 14.15 percentage of top borer damage was found in foliar application of Chlorantraniliprole @ 35g a.i. /ha followed by Spinosad @ 125g a.i. /ha and soil application of Cartap hydrochloride @ 1500g a.i /ha and foliar application of Thiodicarp @ 1500g a.i. /ha and Fipronil @ 100g a.i. /ha”
Claim · model-written summary
Foliar Spinosad gave top borer damage of 12.43 percent.
- Taxon
- sugarcanet0
- Treatment
- Spinosad @ 125g a.i. /hae1
- Interactor
- top borere1pest
- Outcome
- top borer damagee1
- Direction
- loweste1
- Value
- 12.43e1
Not reportedComparator
Verbatim
t0“sugarcane”
e1“The lowest 10.65 and 12.43, 13.68, 14.61, 14.15 percentage of top borer damage was found in foliar application of Chlorantraniliprole @ 35g a.i. /ha followed by Spinosad @ 125g a.i. /ha and soil application of Cartap hydrochloride @ 1500g a.i /ha and foliar application of Thiodicarp @ 1500g a.i. /ha and Fipronil @ 100g a.i. /ha”
Claim · model-written summary
Soil application of Cartap hydrochloride gave top borer damage of 13.68 percent.
- Taxon
- sugarcanet0
- Treatment
- soil application of Cartap hydrochloride @ 1500g a.i /hae1
- Interactor
- top borere1pest
- Outcome
- top borer damagee1
- Direction
- loweste1
- Value
- 13.68e1
Not reportedComparator
Verbatim
t0“sugarcane”
e1“The lowest 10.65 and 12.43, 13.68, 14.61, 14.15 percentage of top borer damage was found in foliar application of Chlorantraniliprole @ 35g a.i. /ha followed by Spinosad @ 125g a.i. /ha and soil application of Cartap hydrochloride @ 1500g a.i /ha and foliar application of Thiodicarp @ 1500g a.i. /ha and Fipronil @ 100g a.i. /ha”
Claim · model-written summary
Foliar Thiodicarp gave top borer damage of 14.61 percent.
- Taxon
- sugarcanet0
- Treatment
- foliar application of Thiodicarp @ 1500g a.i. /hae1
- Interactor
- top borere1pest
- Outcome
- top borer damagee1
- Direction
- loweste1
- Value
- 14.61e1
Not reportedComparator
Verbatim
t0“sugarcane”
e1“The lowest 10.65 and 12.43, 13.68, 14.61, 14.15 percentage of top borer damage was found in foliar application of Chlorantraniliprole @ 35g a.i. /ha followed by Spinosad @ 125g a.i. /ha and soil application of Cartap hydrochloride @ 1500g a.i /ha and foliar application of Thiodicarp @ 1500g a.i. /ha and Fipronil @ 100g a.i. /ha”
Claim · model-written summary
Fipronil gave top borer damage of 14.15 percent.
- Taxon
- sugarcanet0
- Treatment
- Fipronil @ 100g a.i. /hae1
- Interactor
- top borere1pest
- Outcome
- top borer damagee1
- Direction
- loweste1
- Value
- 14.15e1
Not reportedComparator
Verbatim
t0“sugarcane”
e1“The lowest 10.65 and 12.43, 13.68, 14.61, 14.15 percentage of top borer damage was found in foliar application of Chlorantraniliprole @ 35g a.i. /ha followed by Spinosad @ 125g a.i. /ha and soil application of Cartap hydrochloride @ 1500g a.i /ha and foliar application of Thiodicarp @ 1500g a.i. /ha and Fipronil @ 100g a.i. /ha”
Claim · model-written summary
Chlorantraniliprole gave the highest reduction in infestation over control, 69.40%.
Verbatim
t0“sugarcane”
e1“The infestation percentage reduction over control was found highest in Chlorantraniliprole (69.40%) followed by Spinosad (64.29%) treated plots”
Claim · model-written summary
Spinosad gave an infestation reduction over control of 64.29%, second to Chlorantraniliprole.
Verbatim
t0“sugarcane”
e1“The infestation percentage reduction over control was found highest in Chlorantraniliprole (69.40%) followed by Spinosad (64.29%) treated plots”
Claim · model-written summary
Cane yield was highest in Chlorantraniliprole-treated plots, 92.30 mt per ha, above other insecticide treatments.
Verbatim
t0“sugarcane”
e1“the cane yield was highest in Chlorantraniliprole (92.30 mt/ha) and Spinosad (90.06 mt/ha) treated plots than that of other insecticide treated plots”
Claim · model-written summary
Cane yield in Spinosad-treated plots was 90.06 mt per ha, above other insecticide treatments.
Verbatim
t0“sugarcane”
e1“the cane yield was highest in Chlorantraniliprole (92.30 mt/ha) and Spinosad (90.06 mt/ha) treated plots than that of other insecticide treated plots”
Claim · model-written summary
Number of millable canes and cane diameter did not differ significantly among treatments.
- Taxon
- sugarcanet0
- Treatment
- treatmente1
- Outcome
- number of millable canes and cane diametere1
- Direction
- non-significante1
Not reportedComparator
Verbatim
t0“sugarcane”
e1“The number of millable canes and cane diameter in the plots among the treatment was found non-significant”
Claim · model-written summary
Based on infestation reduction, foliar Chlorantraniliprole 18.5 SC and Spinosad 45 SC could be the better option for chemical management of sugarcane top borer.
Verbatim
e1“foliar application of the chemical insecticide (Chlorantraniliprole 18.5 SC and Spinosad 45 SC) could be better option for chemical management of sugarcane top borer”
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