Use of entomopathogenic fungi and insecticide against some insect pests attacking peanuts and sugarbeet in Egypt

Zaki, F. N.; Abdel‐Raheem, Mohamed

doi:10.1080/03235400902830838

Cited by 8 publications

(3 citation statements)

References 6 publications

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“…Natural parasites and pathogens of R. ferrugineus have been studied as biological control agents, Salama, et al (2004), Mohamed Abdel-Raheem (2019) and Shamseldean (2004). About 95 isolates of various microorganisms isolated from Rhynchophorus spp found in dead R. ferrugineus, only three isolates were entomopathogenic fungi, Salama, et al (2004) and Zaki and Abdel-Raheem (2010). M. anisopliae and B. bassiana were isolated from R. bilineatus in New Guinea and in Iran, Ghazavi and Avand-Faghih, (2002).…”

Section: Introductionmentioning

confidence: 99%

Virulence of Nano – Particle preparation of Entomopathogenic fungi and Entomopathogenic Bacteria against red palm weevil Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae)

Abdel‐Raheem¹,

Reyad²,

Alghamdi³

2020

Rom Biotechnol Lett.

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Background: Rhynchophorus ferrugineus is one of the most severe pests on palm species, including date palms In Asia. Purpose: The purpose of the current study is to evaluate the virulence of bio efficacy of nano-particle of entomopathogenic fungi and entomopathogenic bacteria on red palm weevil, Rhynchophorus ferrugineus. Methods: Prepare concentrations of Fungal Spores and Silver Nano Particles were prepared from Metarhizium anisopliae, Beauveria bassiana, Verticillium lecanii and B. thuringiensis, B. subtilis. Results: M. anisopliae was the highest % mortality (90%), (95%) and (77%) against eggs, larvae and adults of R. ferrugineus, respectively when treated with bio synthesized or with fungal spores after seven days from treatment and the lowest % mortality was recorded when treated with V. lecanii.Three concentrations, (10 3 , 10 4 , and 10 5 CFU/mL), formulated as bacterial suspensions and bio-synthesized silver nanoparticles, (Ag NPs) were evaluated for their ability to inhibit egg hatch. The 10 5 CFU/mL concentration, both as a bacterial suspension and formulated as Ag NPs, was tested for efficacy against 10 day-old larvae and adults. Egg hatch was significantly inhibited by all concentrations and formulations of B. subtilis and B. thuringiensis, and exhibited lethal concentrations for 50% mortality (LC50) of 3.45 X 10 3 and 6.73 X 10 4 CFU/mL, respectively. The percent mortality of larvae six days after treatment was 85% and 77% for B. thuringiensis and B. subtilis Ag NPs, respectively. The percent mortality of adults six days after treatment was 75% and 67% for B. thuringiensis and B. subtilis Ag NPs, respectively.Conclusion: The bio control efficiency of Ag NPs synthesized by five isolates of M. anisopliae, B. bassiana, Bio Magic, Bio Power and Bio Catch on R. ferrugineus was proven to be effective through bio assay by spore suspension and bio synthesized silver nanoparticles. M. anisopliae had the highest efficiency on R. ferrugineus and was more effective than B. bassiana, Bio Magic, Bio Power and Bio Catch.B. thuringiensis inhibited the hatching of R. ferrugineus, it is the highly effect than B. subtilis against all stages (eggs, Larvae and Adults) of R. ferrugineus. B. thuringiensis is the highly effect as a bio synthesized Ag NPs against larvae and adults of R. ferrugineus than bacterial suspensions. B. thuringiensis is the highest effect than B. subtilis as well bacterial suspensions or as a bio synthesized Ag NPs. KeywordsVirulence, Nano-particle, entomopathogenic fungi, entomopathogenic bacteria, Rhynchophorus ferrugineus.To cite this article: ABDEL-RAHEEM M.A., REYAD NF, ALGHAMDI HA. Virulence of Nano -Particle preparation of Entomopathogenic fungi and Entomopathogenic Bacteria against red palm weevil Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae).

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Section: Introductionmentioning

confidence: 99%

Virulence of Nano – Particle preparation of Entomopathogenic fungi and Entomopathogenic Bacteria against red palm weevil Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae)

Abdel‐Raheem¹,

Reyad²,

Alghamdi³

2020

Rom Biotechnol Lett.

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“…The notion is that peanut growth and yield is damaged by many pests, including insects that invade the newly planted area via plant materials, organic fertilizers, irrigation, infected seedlings, and machinery. Also, mulching virgin soil with fertile but possibly unhealthy silty soil from the Nile Valley to enhance soil quality before peanut cultivation may generally worsen the pest infection [6,7]. Thus, the peanut crop is eventually infected by many insect pests.…”

Section: Introductionmentioning

confidence: 99%

Effects of Inorganic Fertilizers on Virulence of the Entomopathogenic Nematode Steinernema glaseri and Peanut Germination under Field Conditions

2021

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The use of entomopathogenic nematodes as safe biopesticidal alternatives to hazardous chemicals entails improving the prediction of their native efficacy against soil pests. The effect of ten inorganic fertilizers, used extensively in Egypt, on the virulence of indigenous Steinernema glaseri and peanut germination was examined herein. The nematode added either before or tank-mixed with 1%, 5%, and 10% concentrations of each fertilizer in a peanut field was sampled 1 and 7 days before and 1, 7, 14, 21, 28, 49, and 56 post-tank mixes to check for S. glaseri virulence via baiting soil with Galleria mellonella larvae. Phosphorus fertilizers had more adverse effects than others on S. glaseri virulence and peanut germination. Plots with only S. glaseri had high germination close to chlorpyrifos. Averages of insect mortality in soil samples of potassium, nitrogen: phosphorus: potassium (NPK), nitrogenous, and phosphorus fertilizers, and non-fertilized checks (nematode only) were 85.8, 83.8, 80, 69.2%, and 93.3% respectively. Using S. glaseri is preferred before fertilizing. Most 1% fertilizer concentrations are compatible with S. glaseri in tank mixes for short-term (1–7 days) insect control but may affect long-term control.

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“…(Abdel-Raheem, 2005 andRabie, et al 2005), and Spodoptera littoralis, S. exigua, Aphis craccivora, and Bemisia tabaci (Genn.) (Zaki, 1998, Zaki and Abdel-Raheem 2010, Abdel-Raheem et al 2009, 2015a &b, Salem and Abdel-Raheem, 2015.…”

Section: Introductionmentioning

confidence: 99%

Entomopathogenic Fungi against Cabbage Aphids, Brevicoryne brassica L.

Mostafa

2020

Egyptian Academic Journal of Biological Sciences, F. Toxicology

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Use of entomopathogenic fungi and insecticide against some insect pests attacking peanuts and sugarbeet in Egypt

Cited by 8 publications

References 6 publications

Virulence of Nano – Particle preparation of Entomopathogenic fungi and Entomopathogenic Bacteria against red palm weevil Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae)

Virulence of Nano – Particle preparation of Entomopathogenic fungi and Entomopathogenic Bacteria against red palm weevil Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae)

Effects of Inorganic Fertilizers on Virulence of the Entomopathogenic Nematode Steinernema glaseri and Peanut Germination under Field Conditions

Entomopathogenic Fungi against Cabbage Aphids, Brevicoryne brassica L.

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