Abstract
The study aimed to evaluate the comparative efficacy of six newer insecticides as a foliar application against the whitefly, Bemisia tabaci on cotton variety CO17 in two seasons’ field experiments from december 2020 to july 2021 at Department of Cotton, Tamil Nadu Agricultural University, Coimbatore. Insecticides were sprayed when the whitefly population reached the economic threshold level (ETL) i.e., 4-5/3 leaf. The results revealed that flonicamid 50% WG @ 75 g a.i. ha-1 recorded 81.99 % reduction in mean population of whiteflies after three rounds of spray at fifteen days interval. The order of relative efficacy of test insecticides based on the mean population of whiteflies were, flonicamid 50% WG 75 g a.i. ha-1 > dinotefuran 20% SG @ 25 g a.i. ha-1 > clothianidin 50% WDG @ 25 g a.i. ha-1 > thiamethoxam 25 % WG @ 50 g a.i. ha-1 > pyriproxyfen 10% EC @ 50 g a.i. ha-1 >diafenthiuron 50% WP @ 300 g a.i. ha-1 > untreated control. Flonicamid 50% WG @ 75 g a.i. ha-1 recorded increased yield of 2380 kg ha-1 and 2040 kg ha-1 over untreated control (1865 kg ha-1 & 1570 kg ha-1) in first and second experiment, respectively.
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Claims 4
Claim · model-written summary
Flonicamid reduced mean whitefly population by 81.99% after three sprays.
- Taxon
- cotton
Gossypium hirsutume0 - Material
- CO17e0
- Treatment
- flonicamid 50% WG @ 75 g a.i. ha-1e1
- Interactor
- whitefliesAleyrodoideae1pest
- Outcome
- mean population of whitefliese1
- Direction
- reductione1
- Value
- 81.99 %e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on cotton variety CO17”
e1“flonicamid 50% WG @ 75 g a.i. ha-1 recorded 81.99 % reduction in mean population of whiteflies after three rounds of spray at fifteen days interval”
t0“Cotton”
Claim · model-written summary
Flonicamid ranked highest for reducing mean whitefly population among tested insecticides.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- flonicamid 50% WG 75 g a.i. ha-1e0
- Interactor
- whitefliesAleyrodoideae1pest
- Outcome
- mean population of whitefliese1
- Direction
- >e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“flonicamid 50% WG 75 g a.i. ha-1 > dinotefuran 20% SG @ 25 g a.i. ha-1 > clothianidin 50% WDG @ 25 g a.i. ha-1 > thiamethoxam 25 % WG @ 50 g a.i. ha-1 > pyriproxyfen 10% EC @ 50 g a.i. ha-1 >diafenthiuron 50% WP @ 300 g a.i. ha-1 > untreated control”
e1“based on the mean population of whiteflies”
t0“Cotton”
Claim · model-written summary
Flonicamid raised cotton yield to 2380 kg ha-1 versus 1865 kg ha-1 in the first experiment.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Flonicamid 50% WG @ 75 g a.i. ha-1e0
- Outcome
- yielde0
- Direction
- increasede0
- Value
- 2380 kg ha-1e0
- Qualifier
- 1865 kg ha-1e0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton”
e0“Flonicamid 50% WG @ 75 g a.i. ha-1 recorded increased yield of 2380 kg ha-1 and 2040 kg ha-1 over untreated control (1865 kg ha-1 & 1570 kg ha-1) in first and second experiment, respectively”
Claim · model-written summary
Flonicamid raised cotton yield to 2040 kg ha-1 versus 1570 kg ha-1 in the second experiment.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Flonicamid 50% WG @ 75 g a.i. ha-1e0
- Outcome
- yielde0
- Direction
- increasede0
- Value
- 2040 kg ha-1e0
- Qualifier
- 1570 kg ha-1e0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton”
e0“Flonicamid 50% WG @ 75 g a.i. ha-1 recorded increased yield of 2380 kg ha-1 and 2040 kg ha-1 over untreated control (1865 kg ha-1 & 1570 kg ha-1) in first and second experiment, respectively”
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