Effect of some biocides and entomopathogenic nematodes on suppressing root-knot nematode

Document Type : Original Article

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Desert Research Center

Abstract

Anti-nematodal properties of some bio-products viz., BioNematon (a.i. Paecilomyces lilacinus) BioZeid® (a.i. Trichoderma album), BioArc® (a.i. Bacillus megaterium), NemaStop® (a.i. Streptomyces avermitilis), Anti-Nema (a.i. Serratia marcescens) besides two native entomopathogenic nematode (EPNs) identified as Steinernema carpocapsae and Heterorhabditis bacteriophora. Results showed that post RKN- inoculation application of Biocides and EPNs were better than pre addition. The three selected bio-products were significantly inhibited nematode indices; BioNematon was the best as it achieved 68.2% reduction in final nematode population followed by Anti-Nema 63.5% while the lowest effect (59.7%) was achieved by NemaStop. Also the fig growth was improved after addition of various bio-products and EPNs. In this respect further studies, including various conditions of soil, climate and different agrochemicals already used in crop production, are important before expanding the application of these bio-nematicides. Also the optimizing the use of EPNs, besides economic view must be considered. Additionally searching for novo species of EPNs in Egyptian soils are recommended for obtained effective biocontrol agents against phytonematodes.

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Al-Azhar Journal of Agricultural Research
Volume 48, Issue 3 - Serial Number 3
Special Issue: Agriculture and Futuristic Challenges (Food Security: Challenges and Confrontation)
October 2023
Pages 319-330

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