Persistence Toxicity and Field Evaluation of Green Insecticide Spinetoram 12 SC w/v (11.7% w/w) against Helicoverpa armigera Hubner on Okra

Visnupriya, M.; Muthukrishnan, N.

doi:10.20546/ijcmas.2017.611.300

Cited by 3 publications

(1 citation statement)

References 3 publications

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“…The maximum grain yield was obtained in the plots treated with spinosad. Visnupriya and Muthukrishnan (2017) reported that, spinetoram 12 SC @ 45 g a.i. /ha was effective against Helicoverpa armigera (Hub.)…”

Section: Resultsmentioning

confidence: 99%

Relative Abundance and Field Efficacy of Insecticides and Bio-control Agents Against Stem Borer Species in Rice (Oryza sativa L.)

Sharmitha¹,

Justin²,

Roseleen³

2021

IJARe

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Background: In India, out of the total loss incurred by different insect pests of paddy, 25 to 30 per cent damage is done by stem borer alone. Many conventional insecticides though have been evaluated against stem borers, yet, most of the chemicals have failed to provide adequate control. Hence, the present study aimed to evaluate the efficacy of some newer molecules of insecticides and bio-control agents.Methods: Field trials were conducted to record the seasonal incidence and to evaluate the efficacy of insecticides and bio-control agents against the stem borer species in rice during Kharif and Rabi. Result: Field experiments revealed that during Kharif 2018, chlorantraniliprole 18.5 SC was highly effective with 92.98 and 91.24 per cent reduction of stem borer infestation over control at vegetative and reproductive stages, respectively and recorded a high yield of 5720 kg/ha followed by spinetoram 11.7 SC with 83.16 and 80.82 per cent reduction of stem borer over control at vegetative and reproductive stages, respectively. During Rabi 2019, spinetoram 11.7 SC was highly effective with 92.36 and 93.73 per cent reduction of stem borer infestation over control at vegetative and reproductive stages respectively and recorded a high yield of 4570 kg/ ha, followed by chlorantraniliprole 18.5 SC with 84.60 and 91.48 per cent reduction of stem borer at vegetative and reproductive stages, respectively. The difference in the efficacy of insecticides during Khaif, 2018 and Rabi, 2019, might be due to shift in the species occurrence of stem borer, with a dominant occurrence of yellow stem borer (80.61%) in Kharif 2018 and pink stem borer (70.00%) in Rabi, 2019. The bio-control agent Trichogramma japonicum exerted minimum reduction of stem borer with a low grain yield of 3946.6 kg/ha.

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Section: Resultsmentioning

confidence: 99%

Relative Abundance and Field Efficacy of Insecticides and Bio-control Agents Against Stem Borer Species in Rice (Oryza sativa L.)

Sharmitha¹,

Justin²,

Roseleen³

2021

IJARe

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Interactive effects of temperature and CO2 on efficacy of insecticides against Spodoptera litura Fab. in a global warming context

et al. 2021

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Field Efficacy of Various Insecticides and Trichogramma Chilonis (Ishii) Against Tomato Fruit Borer Helicoverpa Armigera (Hubner) (Lepidoptera: Notctuidae)

Khan

Saljoqi²,

Ullah³

et al. 2023

Preprint

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The present study investigated the comparative efficacy of botanical extracts (Neem 2 and 3%), commercial insecticide (Radiant) and bio-agent (Trichogramma chilonis) against tomato fruit borer Helicoverpa armigera in tomato crop under field conditions, Agriculture Research Institute (ARI) Tarnab Peshawar, 2019. The experiment was laid out under randomized complete block design (RCBD) with factorial arrangement having five treatments (Radiant, Neem (2 and 3%) and Trichogramma chilonis) replicated three times. Pre spray data was recorded before 24hrs of treatment application while post spray data was recorded after different time intervals (24hrs, 48hrs, 72hrs, 5 days, 7days, 10 days and 15 days) of each treatment application. Data regarding infestation showed that highest percent reduction over control was recorded in Radiant treated plots followed by Neem 3% and Trichogramma treated plots. The efficacy of each treatment was recorded at peak after 7 days then gradually declined and was found minimum after 15 days interval. However, highest larval and eggs infestation were recorded in control plots throughout the experimental period. Statistical analysis of the data also revealed that botanical extracts (Neem 2 and 3%), commercial insecticide (Radiant) and bio agent (Trichogramma chilonis) significantly reduced percent fruit damage. Highest percent reduction in comparison with control was recorded in the plots treated with commercial insecticide Radiant. Data further revealed that each treatment application significantly increased total tomato yield and total marketable tomato yield. Highest tomato total marketable yield (9583 kg ha-1) with 80% increase over control was recorded in the Radian treated plots. It can be concluded that Radiant, Trichocards and Neem 3% comparatively have a high potential in reduction of fruit infestation which as a result gives higher yield with high percentage of marketable fruits and with highest cost benefit ratio.

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Persistence Toxicity and Field Evaluation of Green Insecticide Spinetoram 12 SC w/v (11.7% w/w) against Helicoverpa armigera Hubner on Okra

Cited by 3 publications

References 3 publications

Relative Abundance and Field Efficacy of Insecticides and Bio-control Agents Against Stem Borer Species in Rice (Oryza sativa L.)

Relative Abundance and Field Efficacy of Insecticides and Bio-control Agents Against Stem Borer Species in Rice (Oryza sativa L.)

Interactive effects of temperature and CO2 on efficacy of insecticides against Spodoptera litura Fab. in a global warming context

Field Efficacy of Various Insecticides and Trichogramma Chilonis (Ishii) Against Tomato Fruit Borer Helicoverpa Armigera (Hubner) (Lepidoptera: Notctuidae)

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