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Potential of Entomopathogenic Nematode HbSD As a Candidate Biocontrol Agent Against

Overview
Journal Insects
Specialty Biology
Date 2023 Jan 20
PMID 36661931
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Abstract

is a highly destructive and polyphagous pest that causes severe damage to various crops, especially maize. The wide use of chemical insecticides to control results in resistance against commonly used chemicals and resistant mutations will expand in populations accompanied by a spread to vulnerable areas. Consequently, more effective and friendly strategies must be explored to minimize losses caused by . Entomopathogenic nematodes (EPN) are good candidates for the biological control of different species of insect pests, including . In the current study, the infective capabilities of the EPN species HbSD, belonging to , were evaluated against under laboratory, greenhouse and field conditions. In laboratory assays, HbSD was highly virulent against 3rd/5th instar larvae, which was related to HbSD concentration and exposure durations. In greenhouse assays, spraying aqueous HbSD also showed good performance in killing larvae on maize leaves. However, the virulence of HbSD decreased in field trials where many adverse factors affecting survival and efficacy were encountered by HbSD. Overall, our study provides an alternative EPN for the biological control of with the potential to be developed as a sustainable option for efficient pest management.

Citing Articles

Gene Cloning, Heterologous Expression, and In Silico Analysis of Chitinase B from for Biocontrol of Larvae Infesting Maize Crops.

El-Sayed G, Emam M, Hammad M, Mahmoud S Molecules. 2024; 29(7).

PMID: 38611746 PMC: 11012731. DOI: 10.3390/molecules29071466.

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