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Control of the tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) larvae in laboratory using entomopathogenic nematodes from subtropical environment

Bonginkhosi E. Dlamini

Bonginkhosi E. Dlamini

Department of Crop Production, Faculty of Agriculture, University of EswatiniManzini, Kingdom of Eswatini
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Dlamini, Bonginkhosi E.
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Nelisiwe Dlamini

Nelisiwe Dlamini

Department of Crop Production, Faculty of Agriculture, University of EswatiniManzini, Kingdom of Eswatini
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Dlamini, Nelisiwe
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Michael T. Masarirambi

Michael T. Masarirambi

Department of Horticulture, Faculty of Agriculture, University of EswatiniManzini, Kingdom of Eswatini
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Masarirambi, Michael T.
 and 
Nxumalo Kwanele A.

Nxumalo Kwanele A.

Department of Horticulture, Faculty of Agriculture, University of EswatiniManzini, Kingdom of Eswatini
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A., Nxumalo Kwanele
  
Mar 06, 2020
Control of the tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) larvae in laboratory using entomopathogenic nematodes from subtropical environment's Cover Image
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Published Online: Mar 06, 2020
Page range: 1 - 8
Received: Jul 17, 2019
DOI: https://doi.org/10.21307/jofnem-2020-013
Keywords
© 2020 Bonginkhosi E. Dlamini et al., published by Sciendo.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1:

Mean percentage mortality (95% confidence level) of Tuta absoluta larvae inoculated with 0, 10, 20, and 40 IJs/insect of Steinernema yirgalemense and Steinernema jeffreyense (two-way ANOVA: F (3, 28) = 17.50, p < 0.001) in a laboratory trial. Different letters above the vertical bars indicate significant differences (p < 0.05).
Mean percentage mortality (95% confidence level) of Tuta absoluta larvae inoculated with 0, 10, 20, and 40 IJs/insect of Steinernema yirgalemense and Steinernema jeffreyense (two-way ANOVA: F (3, 28) = 17.50, p < 0.001) in a laboratory trial. Different letters above the vertical bars indicate significant differences (p < 0.05).

Figure 2:

Mean percentage mortality (95% confidence level) of Tuta absoluta larvae inoculated with 0, 10, 20, and 40 IJs/insect of Steinernema yirgalemense and Steinernema jeffreyense (two-way ANOVA: F (3, 28) = 17.50, p < 0.001) in a leaf trial. Different letters above the vertical bars indicate significant differences (p < 0.05).
Mean percentage mortality (95% confidence level) of Tuta absoluta larvae inoculated with 0, 10, 20, and 40 IJs/insect of Steinernema yirgalemense and Steinernema jeffreyense (two-way ANOVA: F (3, 28) = 17.50, p < 0.001) in a leaf trial. Different letters above the vertical bars indicate significant differences (p < 0.05).

List and characteristics of the Steinernema species used in the study_

Species name Strain Habitat Locality GenBank accession number Length of IJ (µm) Body width of IJ (µm) Reference
S. yirgalemense 157-C Citrus orchard Friedenheim, Mpumalanga EU625295 685 (570–740) 29 (24–33) Malan et al. (2011)
S. jeffreyense J194 Guava tree Jeffrey’s Bay, Eastern Cape KC897093 924 (784–1043) 35 (23–43) Malan et al. (2016)
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