Mortality and Food Consumption in<i>Spodoptera frugiperda</i>(Lepidoptera: Noctuidae) Larvae Treated with Spinosad alone or in Mixtures with a Nucleopolyhedrovirus

Figueroa, José Isaac; Coronado, Rachel Eunice; Pineda, Samuel; Chavarrieta, Juan M.; Martínez-Castillo, Ana Mabel

doi:10.1653/024.098.0340

Cited by 4 publications

(5 citation statements)

References 13 publications

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“…In current bioassay, similar results were observed. Synergistic effects were found when high concentration of NPV with spinosad was applied against third and fourth-instar larvae of S. litura which is in accordance with the findings of (Figueroa et al, 2015), who observed synergistic interaction when NPV and Sp were applied against S. frugiperda (Lepidoptera: Noctuidae). However, the synergistic effect of NPV and Spinosad from our findings is in contrast with the observation of Mendez et al (2002), who reported independent or antagonistic effect of NPV and Spinosad against S. frugiperda.…”

Section: Discussionsupporting

confidence: 88%

“…Previously, several researchers have reported higher mortalities of lepidopteron pest with combined application of NPV and Spinosad as compared to single application in both field and laboratory trials (Jackson et al, 2014;Mendez et al, 2002;Figueroa et al, 2015). In current bioassay, similar results were observed.…”

Section: Discussionsupporting

confidence: 77%

“…Spinosad in contrast to synthetic insecticides have low mammalian toxicity and no toxic effect on non-target organisms (Sparks et al, 1998). Due to its safer mode of action and compatibility with NPV, the mixture of Spinosad+NPVs have been evaluated successfully against lepidopteron insect pests (Jackson et al, 2014;Mendez et al, 2002;Figueroa et al, 2015;Wang et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Sub-lethal Dose Reponses of Native Polyhydroviruses and Spinosad for Economical and Sustainable Management of Spodoptera litura in Pakistan

Ahmad¹,

Mushtaq²,

Ahmad³

et al. 2020

PJZ

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Section: Discussionsupporting

confidence: 88%

Section: Discussionsupporting

confidence: 77%

Section: Introductionmentioning

confidence: 99%

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Sub-lethal Dose Reponses of Native Polyhydroviruses and Spinosad for Economical and Sustainable Management of Spodoptera litura in Pakistan

Ahmad¹,

Mushtaq²,

Ahmad³

et al. 2020

PJZ

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“…Barreto, Guimaraes, Teixeira, Paiva, and Valicente () evaluated the mortality of 3rd‐ and 4th‐instar FAW larvae infected with 22 baculoviruses from Brazil and observed that doses of 10 3 and 10 4 OBs/ml caused mortalities from 9% to 90.7% and from 11.5% to 94%, respectively, and doses of 10 6 OBs/ml or higher caused mortalities >72%. The mortality values were higher than those (39.6% at 168 hpi) reported by Figueroa, Coronado, Pineda, Chavarrieta, and Martínez‐Castillo (), who evaluated a SfNPV from Nicaragua at 10 6 OBs/ml.…”

Section: Discussioncontrasting

confidence: 60%

Molecular and Morphological characterization of multiple nucleopolyhedrovirus from Mexico and their insecticidal activity against Spodoptera frugiperda (Lepidoptera: Noctuidae)

Ordóñez-García

Rios‐Velasco

Ornelas‐Paz

et al. 2019

J Applied Entomology

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The fall armyworm (FAW), Spodoptera frugiperda (Lepidoptera: Noctuidae), is the most important pest of maize in many countries. Entomopathogenic viruses mainly Baculoviruses family are excellent biological control agents and therefore a viable alternative for managing this pest. The aim of this study was to determine the biological activity of eight native nucleopolyhedrovirus (NPVs) against FAW larvae.Additionally, two of the most virulent isolates (SfCH32 and SfCH15) were characterized biologically by bioassays to estimate their median lethal dose (LD 50 ) and median lethal time (LT 50 ), morphologically by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) and molecularly by restriction enzymes.Three (SfCH15, SfCH18 and SfCH32) of the eight tested native nucleopolyhedrovirus isolates caused mortalities ˃98% at 168-hr post-inoculation (hpi) with a dose of 9.2 × 10 4 OBs/larva. SfCH15 and SfCH32 isolates showed occlusion bodies (OBs) of irregular shape and size (1.02-2.24 μm). The SfCH15 and SfCH32 isolates showed similar median lethal dose (5.6 × 10 2 -6.4 × 10 2 OBs/larva). The lowest median lethal time (114.5 hpi) was observed with the SfCH15 isolate at the highest concentration (2.5 × 10 6 OBs/larva). The DNA restriction profiles for SfCH15 and SfCH32 were different, with their genome size being ~128,000 bp and 132,000 bp, respectively. SfCH15 and SfCH32 isolates showed similar morphological characteristics and the highest virulence against fall armyworm. This study showed that native isolates were highly virulent against S. frugiperda larvae, being similar to other reported strains; however, field studies are required to confirm their insecticidal effect. K E Y W O R D Sbaculovirus, biological control, fall armyworm, genetic variability, morphology, virulence

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“…This implies that when SfMNPV is sprayed in new geographic regions, such as Africa or Asia, no/few impact is expected on the new (unknown) environment. Furthermore, SfMNPV is compatible with and successfully employed in IPM systems in combination with other control strategies, including spinosad [139,140], Bt foliar sprays [141], and transgenic Bt expression [142][143][144]. These properties have endeared SfMNPV as the most suitable candidate for the biological control of S. frugiperda.…”

Section: Specificity Of Sfmnpvmentioning

confidence: 99%

Viruses of the Fall Armyworm Spodoptera frugiperda: A Review with Prospects for Biological Control

Hussain

Wennmann

Goergen

et al. 2021

Viruses

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The fall armyworm (FAW), Spodoptera frugiperda, is a native pest species in the Western hemisphere. Since it was first reported in Africa in 2016, FAW has spread throughout the African continent and is now also present in several countries in Asia as well as Australia. The invasion of FAW in these areas has led to a high yield reduction in crops, leading to huge economic losses. FAW management options in the newly invaded areas are limited and mainly rely on the use of synthetic pesticides. Since there is a risk of resistance development against pesticides in addition to the negative environmental and human health impacts, other effective, sustainable, and cost-efficient control alternatives are desired. Insect pathogenic viruses fulfil these criteria as they are usually effective and highly host-specific with no significant harmful effect on beneficial insects and non-target organisms. In this review, we discuss all viruses known from FAW and their potential to be used for biological control. We specifically focus on baculoviruses and describe the recent advancements in the use of baculoviruses for biological control in the native geographic origin of FAW, and their potential use in the newly invaded areas. Finally, we identify current knowledge gaps and suggest new avenues for productive research on the use of viruses as a biopesticide against FAW.

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Mortality and Food Consumption inSpodoptera frugiperda(Lepidoptera: Noctuidae) Larvae Treated with Spinosad alone or in Mixtures with a Nucleopolyhedrovirus

Cited by 4 publications

References 13 publications

Sub-lethal Dose Reponses of Native Polyhydroviruses and Spinosad for Economical and Sustainable Management of Spodoptera litura in Pakistan

Sub-lethal Dose Reponses of Native Polyhydroviruses and Spinosad for Economical and Sustainable Management of Spodoptera litura in Pakistan

Molecular and Morphological characterization of multiple nucleopolyhedrovirus from Mexico and their insecticidal activity against Spodoptera frugiperda (Lepidoptera: Noctuidae)

Viruses of the Fall Armyworm Spodoptera frugiperda: A Review with Prospects for Biological Control

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