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


ABSTRACT: Tomato (Solanum esculentum) is one of the vegetable crops grown by both smallholder and commercial farmers in the Kingdom of Eswatini. Tomato leaf miner, Tuta absoluta M. is a major insect pest of tomatoes resulting in reduced tomato yields throughout the country. The study investigated the virulence of two sub-tropical EPN species on T. absoluta larvae. Steinernema yirgalemense and S. jeffreyense at different concentrations (0, 20, 40, 60 IJs/insect) were screened for efficacy (i.e. mortality rate) against larvae of T. absoluta in laboratory bioassays. Results obtained showed that S. yirgalemense and S. jeffreyense were able to kill T. absoluta larvae without significant differences between the two EPN species in 24-well bioassay trays. Significantly higher (p?

SUBMITTER: Dlamini BE 

PROVIDER: S-EPMC7265902 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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

Dlamini Bonginkhosi E BE   Dlamini Nelisiwe N   Masarirambi Michael T MT   A Nxumalo Kwanele NK  

Journal of nematology 20200101


Tomato (<i>Solanum esculentum</i>) is one of the vegetable crops grown by both smallholder and commercial farmers in the Kingdom of Eswatini. Tomato leaf miner, <i>Tuta absoluta</i> M. is a major insect pest of tomatoes resulting in reduced tomato yields throughout the country. The study investigated the virulence of two sub-tropical EPN species on <i>T. absoluta</i> larvae. <i>Steinernema yirgalemense</i> and <i>S. jeffreyense</i> at different concentrations (0, 20, 40, 60 IJs/insect) were scre  ...[more]

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