Abstract
An experiment was carried out in the field laboratory, Department of Entomology, Bangladesh Agricultural University to find out the efficacy of different botanicals and chemical insecticides against rice stem borer during the period from July to December 2013. The treatments included Neem oil, Mahogany oil, combination of Neem and Mahogany oil, Bishkatali leaf extract, Lantana leaf extract, combination of Bishkatali and Lantana leaf extract, Convoy 25EC, Biesterthoate 40EC, Biesteren 5G and Diatone 10G. The efficacies of treatments were evaluated based on the percent dead heart and white head resulted by rice stem borer infestation at vegetative and reproductive stages, respectively. The efficacies of treatments were varied significantly against the rice stem borers. Among the selected botanicals, Neem + Mahogany oil followed by Bishkatali leaf extract performed best and Bishkatali + Lantana followed by Lantana leaf extract and leaf extract were least effective to reduce dead heart as well as white head at different counting. Similarly, combination of Neem and Mahogany oil gave the maximum yield among the selected botanicals. Diatone 10G showed the best performance to reduce percent dead and white head among the selected chemical insecticides and gave maximum yield among different chemical insecticides. On the other hand, Convoy 25EC was the least effective to control dead heart and white head infestation with yield. Therefore, Neem + Mahogony oil and Diatone 10G were the best to control rice stem borer and to increase the yield of rice grain.J. Bangladesh Agril. Univ. 13(2): 183-189, December 2015
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Claims 10
Claim · model-written summary
The efficacies of the botanical and chemical insecticide treatments against rice stem borer varied significantly.
- Taxon
- rice
Oryza sativat0 - Treatment
- treatmentse1
- Interactor
- rice stem borert0pest
- Outcome
- efficaciese1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice stem borer”
e1“The efficacies of treatments were varied significantly against the rice stem borers”
Claim · model-written summary
Among the selected botanicals, Neem + Mahogany oil performed best against rice stem borer.
- Taxon
- riceOryza sativat0
- Treatment
- Neem + Mahogany oile1
- Interactor
- rice stem borert0pest
- Outcome
- performed beste1
- Direction
- performed beste1
- Comparator
- selected botanicalse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice stem borer”
e1“Among the selected botanicals, Neem + Mahogany oil followed by Bishkatali leaf extract performed best”
Claim · model-written summary
Among the selected botanicals, Bishkatali leaf extract followed Neem + Mahogany oil as the next best against rice stem borer.
- Taxon
- riceOryza sativat0
- Treatment
- Bishkatali leaf extracte1
- Interactor
- rice stem borert0pest
- Outcome
- performed beste1
- Direction
- followed bye1
- Comparator
- selected botanicalse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice stem borer”
e1“Among the selected botanicals, Neem + Mahogany oil followed by Bishkatali leaf extract performed best”
Claim · model-written summary
Bishkatali + Lantana leaf extract was among the least effective at reducing dead heart and white head caused by rice stem borer.
- Taxon
- riceOryza sativat0
- Treatment
- Bishkatali + Lantanae1
- Interactor
- rice stem borert0pest
- Outcome
- dead heart as well as white heade1
- Direction
- least effectivee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice stem borer”
e1“Bishkatali + Lantana followed by Lantana leaf extract and leaf extract were least effective to reduce dead heart as well as white head”
Claim · model-written summary
Lantana leaf extract was also among the least effective at reducing dead heart and white head caused by rice stem borer.
- Taxon
- riceOryza sativat0
- Treatment
- Lantana leaf extracte1
- Interactor
- rice stem borert0pest
- Outcome
- dead heart as well as white heade1
- Direction
- least effectivee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice stem borer”
e1“Bishkatali + Lantana followed by Lantana leaf extract and leaf extract were least effective to reduce dead heart as well as white head”
Claim · model-written summary
The combination of Neem and Mahogany oil gave the maximum rice yield among the selected botanicals.
- Taxon
- riceOryza sativat0
- Treatment
- combination of Neem and Mahogany oile1
- Interactor
- rice stem borert0pest
- Outcome
- yielde1
- Direction
- maximume1
- Comparator
- selected botanicalse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice stem borer”
e1“combination of Neem and Mahogany oil gave the maximum yield among the selected botanicals”
Claim · model-written summary
Diatone 10G showed the best performance in reducing percent dead heart and white head among the selected chemical insecticides.
- Taxon
- riceOryza sativat0
- Treatment
- Diatone 10Ge1
- Interactor
- rice stem borert0pest
- Outcome
- percent dead and white heade1
- Direction
- best performancee1
- Comparator
- selected chemical insecticidese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice stem borer”
e1“Diatone 10G showed the best performance to reduce percent dead and white head among the selected chemical insecticides”
Claim · model-written summary
Diatone 10G gave the maximum rice yield among the different chemical insecticides.
- Taxon
- riceOryza sativat0
- Treatment
- Diatone 10Ge1
- Interactor
- rice stem borert0pest
- Outcome
- yielde2
- Direction
- maximume2
- Comparator
- different chemical insecticidese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice stem borer”
e1“Diatone 10G showed the best performance”
e2“gave maximum yield among different chemical insecticides”
Claim · model-written summary
Convoy 25EC was the least effective chemical insecticide in controlling dead heart and white head infestation, with the corresponding yield.
- Taxon
- riceOryza sativat0
- Treatment
- Convoy 25ECe1
- Interactor
- rice stem borert0pest
- Outcome
- dead heart and white head infestatione1
- Direction
- least effectivee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice stem borer”
e1“Convoy 25EC was the least effective to control dead heart and white head infestation with yield”
Claim · model-written summary
The authors conclude that Neem + Mahogany oil and Diatone 10G were the best to control rice stem borer and increase rice grain yield.
- Taxon
- riceOryza sativae1
- Interactor
- rice stem borere1pest
- Outcome
- best to control rice stem borer and to increase the yield of rice graine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Neem + Mahogony oil and Diatone 10G were the best to control rice stem borer and to increase the yield of rice grain”
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