Abstract
The field experiments were conducted at Regional Research Station,Vriddhachalam, during rabi/summer season for three consecutive yearsfrom 2012 to 2015 to test the efficacy of newer molecules insecticidesagainst sucking insect pests thrips and leafhopper in groundnut. Amongthe seven newer molecule insecticides tested, imidacloprid 200SL @ 200ml ha-1 was found to be effective in reducing thrips damage (16%) followedby thiamethoxam 25WG @ 200gm ha-1 (18%) as against 33% in control.Imidacloprid 200SL and acetamiprid 20%SP@ 100 gm ha-1 registeredless incidence of leafhopper (15%) compared to control (32%). Therefore,acetamiprid 20%SP @ 100 gm ha-1, thiamethoxam 25WG @100 gm.ha-1gm/ha and imidacloprid 200SL @ 200 ml. ha-1 were found to be effectiveagainst thrips, leafhopper population and its damage. These three moleculesrealized more dry pod (2274 kg/ha-1, 2013 kg ha-1, 2100 kg ha-1) andhaulm yield (8.2 t ha-1, 7.6 t ha-1, 7.8 t ha-1) and ultimately the benefit costratio of 1:2.8; 1:2.4 and 1:2.5 respectively. However, imidacloprid 200SLand thiamethoxam 25WG 200 ml ha-1 recorded more number of predatorycoccinellids (0.51 and 0.40 plant-1), spider (0.27 and 0.24 plant-1), spideregg mass (0.10 and 0.12 plant-1). Thus, the use of imdiacloprid 200SL orthiamethoxam 25WG individually or incorporation of these chemicals in anintegrated pest management programme for sucking pests on groundnutmay prove as economically viable with less effect on natural enemies ingroundnut eco-system during rabi/summer seasons.
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Claims 10
Claim · model-written summary
Imidacloprid reduced thrips damage to 16% versus 33% in control.
- Taxon
- groundnut
Arachis hypogaeat0 - Treatment
- imidacloprid 200SL @ 200ml ha-1e0
- Outcome
- thrips damagee0
- Direction
- reducinge0
- Value
- 16%e0
- Qualifier
- 33%e0
- Comparator
- controle0
ThripsOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“imidacloprid 200SL @ 200ml ha-1 was found to be effective in reducing thrips damage (16%) followedby thiamethoxam 25WG @ 200gm ha-1 (18%) as against 33% in control”
t0“groundnut”
Claim · model-written summary
Thiamethoxam reduced thrips damage to 18% versus 33% in control.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- thiamethoxam 25WG @ 200gm ha-1e0
- Outcome
- thrips damagee0
- Direction
- reducinge0
- Value
- 18%e0
- Qualifier
- 33%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“imidacloprid 200SL @ 200ml ha-1 was found to be effective in reducing thrips damage (16%) followedby thiamethoxam 25WG @ 200gm ha-1 (18%) as against 33% in control”
t0“groundnut”
Claim · model-written summary
Imidacloprid reduced leafhopper incidence to 15% versus 32% in control.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- Imidacloprid 200SLe0
- Interactor
- leafhoppere0pest
- Outcome
- incidence of leafhoppere0
- Direction
- registeredlesse0
- Value
- 15%e0
- Qualifier
- 32%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Imidacloprid 200SL and acetamiprid 20%SP@ 100 gm ha-1 registeredless incidence of leafhopper (15%) compared to control (32%)”
t0“groundnut”
Claim · model-written summary
Acetamiprid reduced leafhopper incidence to 15% versus 32% in control.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- acetamiprid 20%SP@ 100 gm ha-1e0
- Interactor
- leafhoppere0pest
- Outcome
- incidence of leafhoppere0
- Direction
- registeredlesse0
- Value
- 15%e0
- Qualifier
- 32%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Imidacloprid 200SL and acetamiprid 20%SP@ 100 gm ha-1 registeredless incidence of leafhopper (15%) compared to control (32%)”
t0“groundnut”
Claim · model-written summary
Acetamiprid gave 2274 kg/ha-1 dry pod yield.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- acetamiprid 20%SPe0
- Outcome
- dry pode0
- Direction
- moree0
- Value
- 2274 kg/ha-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“acetamiprid 20%SP @ 100 gm ha-1, thiamethoxam 25WG @100 gm.ha-1gm/ha and imidacloprid 200SL @ 200 ml. ha-1 were found to be effectiveagainst thrips, leafhopper population and its damage. These three moleculesrealized more dry pod (2274 kg/ha-1, 2013 kg ha-1, 2100 kg ha-1)”
t0“groundnut”
Claim · model-written summary
Thiamethoxam gave 2013 kg ha-1 dry pod yield.
- Taxon
- groundnutArachis hypogaeat0
- Outcome
- dry pode0
- Direction
- moree0
- Value
- 2013 kg ha-1e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These three moleculesrealized more dry pod (2274 kg/ha-1, 2013 kg ha-1, 2100 kg ha-1)”
t0“groundnut”
Claim · model-written summary
Imidacloprid gave 2100 kg ha-1 dry pod yield.
- Taxon
- groundnutArachis hypogaeat0
- Outcome
- dry pode0
- Direction
- moree0
- Value
- 2100 kg ha-1e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These three moleculesrealized more dry pod (2274 kg/ha-1, 2013 kg ha-1, 2100 kg ha-1)”
t0“groundnut”
Claim · model-written summary
The three insecticides respectively yielded 8.2, 7.6 and 7.8 t ha-1 haulm.
- Taxon
- groundnutArachis hypogaeat0
- Outcome
- haulm yielde0
- Value
- 8.2 t ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“haulm yield (8.2 t ha-1, 7.6 t ha-1, 7.8 t ha-1)”
t0“groundnut”
Claim · model-written summary
The reported benefit cost ratios were 1:2.8, 1:2.4 and 1:2.5.
- Taxon
- groundnutArachis hypogaeat0
- Outcome
- benefit costratioe0
- Value
- 1:2.8e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“benefit costratio of 1:2.8; 1:2.4 and 1:2.5 respectively”
t0“groundnut”
Claim · model-written summary
Imidacloprid and thiamethoxam retained predatory coccinellids, spiders and spider egg masses.
- Taxon
- groundnutArachis hypogaeat0
- Interactor
- predatorycoccinellidse0biocontrol_agent
- Outcome
- more number of predatorycoccinellidse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“imidacloprid 200SLand thiamethoxam 25WG 200 ml ha-1 recorded more number of predatorycoccinellids (0.51 and 0.40 plant-1), spider (0.27 and 0.24 plant-1), spideregg mass (0.10 and 0.12 plant-1)”
t0“groundnut”
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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.