Residual efficacy of methoxyfenozide applied on different grain commodities for the control of three stored-product insect pests

Yasir, Muhammad; Hasan, Mahmood Ul; Sagheer, Muhammad; Javed, Nazir

doi:10.16970/entoted.559859

Cited by 5 publications

(7 citation statements)

References 42 publications

(49 reference statements)

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“…However, after the 16th week, the adult emergence from exposed larvae increase again, but always lower than the control. Similar findings occured in larvae of T. castaneum and O. surinamensis exposed to the surfaces treated with pyriproxyfen (Arthur et al 2009), T. variabile (Arthur and Hartzer 2018) and methoxyfenozide on grain commodities (Yasir et al 2019b). Conversely, another JHA, methoprene, has residual efficacy for 40 weeks against different stored grain insects (Liu et al 2016).…”

Section: Discussionsupporting

confidence: 56%

“…Numerous studies have been conducted to evaluate the acute toxicity of JHAs against stored grain insects (Oberlander et al 1998; Kostyukovsky et al 2000;Kavallieratos et al 2012;Ali et al 2017Ali et al , 2018 and other IGRs (Oberlander et al 1998;Kostyukovsky et al 2000;Parween et al 2001;Kavallieratos et al 2012;Sagheer et al 2012;Trostanetsky et al 2015;Ali et al 2017Ali et al , 2018Fiaz et al 2018;Yasir et al 2019a). Data on the long-term residual efficacy of these compounds against different stored grain insect pests are emerging (Arthur et al 2009(Arthur et al , 2018Arthur and Hartzer 2018;Yasir et al 2019b), but further studies of long-term efficacy are needed to guide current stored product management practices.…”

Section: Introductionmentioning

confidence: 99%

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Residual Efficacy of Pyriproxyfen on Grain Commodities Against Stored Product Insect Pests

et al. 2020

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Studies on residual efficacy of insecticides with reduced risk are necessary for strategies on their use and application frequency. Within these insecticides, insect growth regulators, such as pyriproxyfen, have been successfully used to control stored grain pests. The objective of this study was to evaluate the residual efficacy of pyriproxyfen in larvae of the stored grain pests Oryzaephilus surinamensis, Tribolium castaneum and Trogoderma granarium. Grains of wheat, maize, rice, and oats were exposed to pyriproxyfen at concentrations of 1, 2 or 4 mg kg -1 . Six bioassays were performed by releasing the insects on treated grains after different post treatment periods (0, 2, 4, 8, 12 and 16 weeks). Adult emergence of the three insect species was reduced at tested concentrations in all treated grains. For all bioassays the residual efficacy of pyriproxyfen decreased with increase in the post treatment period. At 4 mg kg -1 , the adult emergence did not exceed 16% at week 0 and it was <40% at week 12 in all tested insect species on all grains, but it increased at week 16. The residual effect of pyriproxyfen was more effective in wheat followed by oats, maize and rice for T. castaneum and T. granarium, whereas against O. surinamensis pyriproxyfen was more effective in oats followed by wheat, maize and rice. Results show that pyriproxyfen has potential for residual control of O. surinamensis, T. castaneum and T. granarium, and may be used for replacement of conventional neurotoxic insecticides for managing the insect pests of stored commodities.

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Section: Discussionsupporting

confidence: 56%

Section: Introductionmentioning

confidence: 99%

Residual Efficacy of Pyriproxyfen on Grain Commodities Against Stored Product Insect Pests

et al. 2020

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“…These results are similar with Vayias et al (2010), who reported spinosad more persistent in barley and wheat than maize against different stored grain insects during storage period of 6 months. Similarly, IGRs methoxyfenozide and pyriproxyfen have been reported to be more effective in oats followed by wheat, maize and rice against O. surinamensis (Yasir et al, 2019(Yasir et al, , 2020. Methoprene was found more effective on maize as compared to wheat and rice while abamectin was reported more effective in maize than the wheat against tested stored grain insect species (Kavallieratos et al, 2009;Athanassiou et al, 2011).…”

Section: Resultsmentioning

confidence: 94%

Evaluation of Spinosad Applied to Grain Commodities for the Control of Stored Product Insect Pests

Yasir¹,

Hasan²,

Sagheer³

et al. 2021

SJA

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S ynthetic insecticides are the currently used pest control method that causes quick mortality of the insects but there are harmful effects of these insecticides on the health (Arthur, 1996), environment (Phillips and Throne, 2010) and on non-targeted organisms (Fields, 1992). Stored grain insects also have developed resistance to these insecticides (Wijayaratne et al., 2018;Nayak et al., 2020). As the treated grains are consumed by human, there is a need to use reduced risk insecticides as an alternate to conventional insecticides (Arthur, 2007).Addionaly, these alternative options may be proven to have no harmfull effects on the respiratory and nervous system of humans (Phillips and Throne, 2010). Spinosad is an insecticide derived from soil borne bacteria Saccharopolyspora spinosa Mertz and Yao (1990). It is registered in several countries as a grain protectant at the maximum labelled use rate of 1 mg/Kg of grain and its Maximum Residue Limit (MRL) established at 1.5 ppm (Hertlein et al., 2011). The spinosad can persist from 6-12 months on the stored grain commodities (

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“…Several studies have been widely proved that CSIs impair development and reproduction of stored product insects [19][20][21][22][23][24][25] .…”

Section: Introductionmentioning

confidence: 99%

Long term efficacy of three chitin synthesis inhibitors and oxymatrine as cowpea seed protectants against Callosobruchus maculatus and Callosobruchus chinensis

Gad

Al-Ayat

Mohamed

et al. 2023

Preprint

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The residual efficacy of three chitin synthesis inhibitors (CSIs) (chlorfluazuron, hexaflumuron and lufenuron) and oxymatrine at an application rate of 5.0 mg/kg was evaluated against Callosobruchus maculatus and Callosobruchus chinensis monthly for 5 consecutive months (6 bioassays). In each bioassay, the mortality of two insect adults was counted after 7 days, progeny reduction and cowpea weight loss percentages were recorded after 45 days. Our results revealed that CSIs caused high level of adult mortality of both insects and oxymatrine caused a complete adult mortality (100%) for five months storage. The tested CSIs produced a significant progeny reduction of C. maculatus and C. chinensis but did not achieve a complete reduction of F1 progeny during all storage periods. A complete progeny suppression of two insects and full cowpea seed protection were observed in all oxymatrine treatments during the entire storage periods. A remarkable protection of cowpea seeds was also achieved in the treatments with CSIs particularly chlorfluazuron during the first 3 months. These findings indicate CSIs and oxymatrine could be implemented in IPM of these insects.

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Residual efficacy of methoxyfenozide applied on different grain commodities for the control of three stored-product insect pests

Cited by 5 publications

References 42 publications

Residual Efficacy of Pyriproxyfen on Grain Commodities Against Stored Product Insect Pests

Residual Efficacy of Pyriproxyfen on Grain Commodities Against Stored Product Insect Pests

Evaluation of Spinosad Applied to Grain Commodities for the Control of Stored Product Insect Pests

Long term efficacy of three chitin synthesis inhibitors and oxymatrine as cowpea seed protectants against Callosobruchus maculatus and Callosobruchus chinensis

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