Abstract
ABSTRACT Laboratory studies were conducted to study the effect of twenty plant powders (2 per cent) against rice weevil, Sitophilus oryzae L (Colepotera: Curculionidae) infesting paddy grains. Among them Vitex negundo L. (Verbenaceae) was found to be significantly the best compared to other treatments. At two days after the treatment highest mortality was registered in Nelumbium speciosum Wild (Verbenaceae) (59.9%) followed by Alpinia officinarum Hance (Zingiberaceae) (49.9%), Azadirachta indica A.Juss (42.2%) and by Glorisa superpa L. (Liliaceae) (30.8%). At 7 days after the treatment, 99.1 per cent mortality was recorded in V. negundo followed by A. officinarum (96.6%), N. speciosum (94.4%) and in untreated control, 46.6 per cent mortality was observed. In another experiment, minimum adult emergence was registered in A. indica (18.00), A. officinarum (18.00), G. superpa (20.00), when compared to 98.00 adult weevils in untreated control. At 45th day after treatment grain weight loss was minimum (10.58%) in A. indica compared to untreated control (39.21%). At 60th days after treatment grain weight loss was minimum (13.01%) in A. indica compared to untreated control (49.22 %). At 90th day after treatment lowest grain weight loss was observed in A. indica (18.55%) and highest grain weight loss was seen in C. halicacabum (40.80%).
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Claims 15
Claim · model-written summary
Vitex negundo powder was significantly best among treatments.
- Taxon
- paddyt0
- Treatment
- Vitex negundo L.e0
- Interactor
- Sitophilus oryzae L
Sitophilus oryzaet0pest - Outcome
- significantly the beste0
- Direction
- significantly the beste0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among them Vitex negundo L. (Verbenaceae) was found to be significantly the best compared to other treatments.”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
Nelumbium speciosum gave 59.9% weevil mortality at two days.
- Taxon
- paddyt0
- Treatment
- Nelumbium speciosum Wilde0
- Interactor
- SITOPHILUS ORYZAE L.t0pest
- Outcome
- mortalitye0
- Direction
- higheste0
- Value
- 59.9%e0
Not reportedComparator
Verbatim
e0“At two days after the treatment highest mortality was registered in Nelumbium speciosum Wild (Verbenaceae) (59.9%)”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
Alpinia officinarum gave 49.9% weevil mortality at two days.
- Taxon
- paddyt0
- Treatment
- Alpinia officinarum Hancee0
- Interactor
- SITOPHILUS ORYZAE L.t0pest
- Outcome
- mortalitye1
- Value
- 49.9%e0
Not reportedComparatorDirection
Verbatim
e0“followed by Alpinia officinarum Hance (Zingiberaceae) (49.9%)”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
e1“At two days after the treatment highest mortality was registered in Nelumbium speciosum Wild (Verbenaceae) (59.9%)”
Claim · model-written summary
Azadirachta indica gave 42.2% weevil mortality at two days.
- Taxon
- paddyt0
- Treatment
- Azadirachta indica A.Jusse0
- Interactor
- SITOPHILUS ORYZAE L.t0pest
- Outcome
- mortalitye1
- Value
- 42.2%e0
Not reportedComparatorDirection
Verbatim
e0“Azadirachta indica A.Juss (42.2%)”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
e1“At two days after the treatment highest mortality was registered in Nelumbium speciosum Wild (Verbenaceae) (59.9%)”
Claim · model-written summary
Glorisa superpa gave 30.8% weevil mortality at two days.
- Taxon
- paddyt0
- Treatment
- Glorisa superpa L.e0
- Interactor
- SITOPHILUS ORYZAE L.t0pest
- Outcome
- mortalitye1
- Value
- 30.8%e0
Not reportedComparatorDirection
Verbatim
e0“Glorisa superpa L. (Liliaceae) (30.8%)”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
e1“At two days after the treatment highest mortality was registered in Nelumbium speciosum Wild (Verbenaceae) (59.9%)”
Claim · model-written summary
V. negundo yielded 99.1 per cent mortality at seven days.
- Taxon
- paddyt0
- Treatment
- V. negundoe0
- Interactor
- SITOPHILUS ORYZAE L.t0pest
- Outcome
- mortalitye0
- Value
- 99.1 per cente0
- Qualifier
- 46.6 per cente0
- Comparator
- untreated controle0
Not reportedDirection
Verbatim
e0“At 7 days after the treatment, 99.1 per cent mortality was recorded in V. negundo followed by A. officinarum (96.6%), N. speciosum (94.4%) and in untreated control, 46.6 per cent mortality was observed.”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
A. officinarum yielded 96.6% mortality at seven days.
- Taxon
- paddyt0
- Treatment
- A. officinarume0
- Interactor
- SITOPHILUS ORYZAE L.t0pest
- Outcome
- mortalitye0
- Value
- 96.6%e0
- Comparator
- untreated controle0
Not reportedDirection
Verbatim
e0“At 7 days after the treatment, 99.1 per cent mortality was recorded in V. negundo followed by A. officinarum (96.6%), N. speciosum (94.4%) and in untreated control, 46.6 per cent mortality was observed.”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
N. speciosum yielded 94.4% mortality at seven days.
- Taxon
- paddyt0
- Treatment
- N. speciosume0
- Interactor
- SITOPHILUS ORYZAE L.t0pest
- Outcome
- mortalitye0
- Value
- 94.4%e0
- Comparator
- untreated controle0
Not reportedDirection
Verbatim
e0“At 7 days after the treatment, 99.1 per cent mortality was recorded in V. negundo followed by A. officinarum (96.6%), N. speciosum (94.4%) and in untreated control, 46.6 per cent mortality was observed.”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
A. indica had 18.00 emerging adult weevils versus 98.00 in untreated control.
Verbatim
e0“minimum adult emergence was registered in A. indica (18.00), A. officinarum (18.00), G. superpa (20.00), when compared to 98.00 adult weevils in untreated control.”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
A. officinarum had 18.00 emerging adult weevils.
Verbatim
e0“minimum adult emergence was registered in A. indica (18.00), A. officinarum (18.00), G. superpa (20.00), when compared to 98.00 adult weevils in untreated control.”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
G. superpa had 20.00 emerging adult weevils.
Verbatim
e0“minimum adult emergence was registered in A. indica (18.00), A. officinarum (18.00), G. superpa (20.00), when compared to 98.00 adult weevils in untreated control.”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
A. indica minimized grain weight loss at 45 days to 10.58%.
Verbatim
e0“At 45th day after treatment grain weight loss was minimum (10.58%) in A. indica compared to untreated control (39.21%).”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
A. indica minimized grain weight loss at 60 days to 13.01%.
Verbatim
e0“At 60th days after treatment grain weight loss was minimum (13.01%) in A. indica compared to untreated control (49.22 %).”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
A. indica gave the lowest grain weight loss at 90 days, 18.55%.
Verbatim
e0“At 90th day after treatment lowest grain weight loss was observed in A. indica (18.55%) and highest grain weight loss was seen in C. halicacabum (40.80%).”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
Claim · model-written summary
C. halicacabum gave the highest grain weight loss at 90 days, 40.80%.
Verbatim
e0“At 90th day after treatment lowest grain weight loss was observed in A. indica (18.55%) and highest grain weight loss was seen in C. halicacabum (40.80%).”
t0“SITOPHILUS ORYZAE L. AND GRAIN WEIGHT LOSS IN PADDY”
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