Joint Action of Two Novel Insecticides Mixtures with Insect Growth
Regulators, Synergistic Compounds and Conventional Insecticides Against Spodoptera littoralis (Boisd.) Larvae

Manal, A A; Zakaria, M.S. Mostafa

doi:10.3923/ajbmb.2013.369.378

Cited by 12 publications

(6 citation statements)

References 3 publications

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“…It is a polyphagous insect pest, feeding on most vegetables in addition to other many horticultural and field crops. It causes considerable loss in their production all over the world (Abd El-Razik & Mostafa, 2013) especially in the Middle East and Africa (Pineda et al, 2007;Shairra and Nouh, 2014). The level of damage depends on the host plant type, plant stage and the initial population densities (Ahmad et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Influence of Different Species of Steinernema and Heterorhabditis on Galleria mellonella and Spodoptera littoralis

Taha

2021

Egyptian Journal of Agronematology

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Entomopathogenic nematodes (EPNs) can be used efficiently as biological control agents against specific insects. Galleria mellonella (Gm) and Spodoptera littoralis (Sl) are considered important agricultural pests. The aim of this study was to evaluate the susceptibility of their larvae to ascending levels of four species of EPNs, Steinernema carpocapsae (Sc), S. arenarium (Sa), Heterorhabditis bacteriophora (Hb) and H. indica (Hi) as well as the ability of nematodes to penetrate and reproduce within their hosts. Fifth larval instar of Gm and Sl were used to evaluate the effect of four inoculum doses [200,400,800, and 1600 infective juveniles (IJs)] of each nematode species. Percentage of insect mortality (% M) and the nematode-rate of reproduction (Rr) were calculated after 24 and 48 hrs. The data confirmed that H. bacteriophora was the highest effective species on both insects. The % M was 75.7, 79.7, 82.3, and 83% after 24 hrs and 98.0, 99.3,100 and 100% after 48 hrs in Gm for these doses, respectively. On the other hand, the corresponding mortalities were 75.0, 78.3, 81.7, and 83.8% after 24 hrs and 97.3, 98.3, 100 and 100% after 48 hrs in Sl. The highest initial EPN population that could penetrate the insect (pi) was achieved by Hb in Gm (295 IJs) at 1600 IJs, while it was 221.7 IJs in Sl larvae at the same inoculum. The highest final population and Rr were obtained at the inoculum level of 200 and 400 IJs. in Gm and Sl, respectively. The study documented that Heterorhabditis and Steinernema can be used effectively in Gm and Sl management. Moreover, Hb is the most suppressive species tested against the two lepidopteran hosts.

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Section: Introductionmentioning

confidence: 99%

Influence of Different Species of Steinernema and Heterorhabditis on Galleria mellonella and Spodoptera littoralis

Taha

2021

Egyptian Journal of Agronematology

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“…In Egypt, cotton cultivation is one of the main resources for the economy and S. littoralis represents a key pest on cotton (Ibrahim and Ali, 2018). In addition, it is considered the most destructive pest of more than 60 other crops, ornamentals and vegetables of economic importance Amin, 2007;Abd El-Razik and Mostafa, 2013).…”

Section: Introductionmentioning

confidence: 99%

Threshold Temperatures and Thermal Requirements of Cotton Leafworm, Spodoptera littoralis Hb.

Allam

Manaa

Dahi

et al. 2021

Egyptian Academic Journal of Biological Sciences. A, Entomology

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“…It mainly reduces the net productivity and quality of cotton (Amin and Gergis, 2006). In addition, S. littoralis is considered the most destructive pest of different Egyptian crops (Magd El-Din and El-Gengaihi, 2000), ornamentals and vegetables (Dahi, 2005;Amin, 2007;Lanzoni et al, 2012;Abd El-Razik and Mostafa, 2013). The high fecundity and migratory potential of S. littoralis contribute to serious damage which occurs as a result of feeding on leaves, flower buds, fruiting buds, and bolls (Mokbel et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Impairing Effectiveness of Nerolidol, a Sesquiterpene Compound, on Adult Performance and Reproductive Potential of Egyptian Cotton Leafworm, Spodoptera littoralis (Lepidoptera: Noctuidae).

Hamadah

Ghoneim

Waheeb

2020

Egyptian Academic Journal of Biological Sciences. A, Entomology

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Although Egyptian cotton leafworm Spodoptera littoralis (Boisduval) (Lepidoptera: Noctuidae) is native in Africa, it is distributed throughout the world. It is a serious polyphagous insect damaging more than 90 host plants of economic importance. The objective of the current study was to evaluate the disruptive impact of Nerolidol, a Sesquiterpene compound, on the most important parameters of adult performance and reproductive potential of this insect. The newly moulted larvae of 5 th (penultimate) or 6 th (last) instar larvae fed castor bean leaves previously treated with 7 concentrations of Nerolidol (400, 200, 100, 50, 25, 12.5 & 6.25 ppm) for 24 hr. The most important results could be summarized as follows. Nerolidol exhibited an adulticidal activity only at the higher concentrations. Nerolidol exerted an anti-morphogenic activity against adult moths since some malformed adults were produced at the higher concentrations. Regardless the treated larval instar, Nerolidol induced the successfully emerged adults to live remarkably shortened total longevity and oviposition period, but the pre-oviposition period was generally prolonged. Nerolidol exhibited an inhibitory effect on the oviposition efficiency since the oviposition rate was deleteriously regressed, in a dose-dependent course. Nerolidol caused a disturbance of the reproductive capacity since fecundity and fertility were dramatically prohibited. After larval treatment with Nerolidol, the successfully mated adult females laid eggs with a significantly prolonged incubation period, especially at the higher concentration levels.

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Joint Action of Two Novel Insecticides Mixtures with Insect Growth Regulators, Synergistic Compounds and Conventional Insecticides Against Spodoptera littoralis (Boisd.) Larvae

Cited by 12 publications

References 3 publications

Influence of Different Species of Steinernema and Heterorhabditis on Galleria mellonella and Spodoptera littoralis

Influence of Different Species of Steinernema and Heterorhabditis on Galleria mellonella and Spodoptera littoralis

Threshold Temperatures and Thermal Requirements of Cotton Leafworm, Spodoptera littoralis Hb.

Impairing Effectiveness of Nerolidol, a Sesquiterpene Compound, on Adult Performance and Reproductive Potential of Egyptian Cotton Leafworm, Spodoptera littoralis (Lepidoptera: Noctuidae).

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