Genetic improvement of the biological control nematode<i>Heterorhabditis bacteriophora</i>(Rhabditidomorpha: Heterorhabditidae): heterosis effect enhances desiccation but not heat tolerance

Anbesse, Samuel; Strauch, Olaf; Ehlers, Ralf‐Udo

doi:10.1080/09583157.2012.708393

Cited by 10 publications

(3 citation statements)

References 35 publications

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“…Several studies report successful genetic improvement of desired traits in the laboratory, indicating the feasibility of selective breeding (Whitten & Hoy, ). Examples include the resistance to chemical pesticides in predatory mites and parasitoid wasps, allowing their use in conjunction with insecticide treatments (Hoy, ; Rosenheim & Hoy, ; Johnson & Tabashnik, ), drought and temperature tolerance in predatory mites and entomopathogenic nematodes (Hoy, ; Shapiro et al., ; Strauch et al., ; Salame et al., ; Anbesse et al., ), and more female‐biased sex ratios in parasitoids (Hoy & Cave, ; Ode & Hardy, ). However, the efficacy of the selected strains in biological control was often not further tested in the field or greenhouse (Hoy, ).…”

Section: How To Exploit Intraspecific Variationmentioning

confidence: 99%

It is time to bridge the gap between exploring and exploiting: prospects for utilizing intraspecific genetic variation to optimize arthropods for augmentative pest control – a review

Lommen

Jong

Pannebakker

2016

Entomologia Exp Applicata

145

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Intraspecific genetic variation in arthropods is often studied in the context of evolution and ecology. Such knowledge, however, can also be very usefully applied to biological pest control. Selection of genotypes with optimal trait values may be a powerful tool to develop more effective biocontrol agents. Although it has repeatedly been proposed, this approach is still hardly applied in the current commercial development of arthropod agents for pest control. In this perspective study, we call to take advantage of the increasing knowledge on the genetics underlying intraspecific variation to improve biological control agents. We argue that it is timely now because at present both the need and the technical possibilities for implementation exist, as there is (1) increased economic importance of biocontrol, (2) reduced availability of exotic biocontrol agents due to stricter legislation, and (3) increased availability of genetic information on non-model species. We present a step-by-step approach towards the exploitation of intraspecific genetic variation for biocontrol, outline that knowledge of the underlying genetic mechanisms is essential for success, and indicate how new molecular techniques can facilitate this. Finally, we exemplify this procedure by two case studies, one focussing on a target trait -offspring sex ratio -across species of hymenopteran parasitoids, and the other on a target species -the two-spot ladybird beetle -where wing length and body colouration can be optimized for aphid control. With this overview, we aim to inspire scientific researchers and biocontrol agent producers to start collaborating on the use of genetic variation for the improvement of natural enemies.

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Section: How To Exploit Intraspecific Variationmentioning

confidence: 99%

It is time to bridge the gap between exploring and exploiting: prospects for utilizing intraspecific genetic variation to optimize arthropods for augmentative pest control – a review

Lommen

Jong

Pannebakker

2016

Entomologia Exp Applicata

145

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“…Improved efficiency and survival of EPNs can be achieved through genetic improvement. Improved strains of EPNs may possess several beneficial traits such as environmental tolerance, virulence, reproductive capacity (Strauch et al 2004;Mukuka et al 2010;Anbesse et al 2012;Shapiro-Ilan et al 2012). Besides, the isolation of native strains resistant to specific conditions of temperature and humidity is an approach that can enhance efficacy in the field (Emelianoff et al 2008;Malan et al 2011).…”

Section: Formulations For Direct Application In the Fieldmentioning

confidence: 99%

Formulation of entomopathogenic nematodes for crop pest control - a review

et al. 2017

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Cruz-Martínez H., Ruiz-Vega J., Matadamas-Ortíz P.T., Cortés-Martínez C.I., Rosas-Diaz J. (2017): Formulation of entomopathogenic nematodes for crop pest control -a review. Plant Protect. Sci., 53: 15-24.The different materials and methods used to develop biopesticides with entomopathogenic nematodes (EPNs) still limit the quality of the final product, reducing field efficacy and complicating application strategies. Therefore, the objective of this review is to identify priority areas to improve the EPN formulation process based on the scientific and technological research developed so far. The results show great progress in the EPN survival time, from 7 days to 180 days, through two types of formulations: water dispersible granules and calcium alginate capsules. Also, EPNs formulated and applied as insect cadavers showed higher efficacy for the pest control than the EPNs applied in an aqueous solution. We consider that the priority areas of research are: automated massive formulation and exploration of new additives with better properties that may lead to increase the infectivity in the field. It is concluded that the study of these aspects requires a systemic approach with greater involvement of the invertebrate physiology and systems modelling disciplines.

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“…For example, a strain of the predatory mite Metaseiulus occidentalis Nesbitt has been artificially selected for resistance to certain types of synthetic pesticides (Hoy, 1986). Moreover, tolerance to heat or desiccation has been genetically improved in several nematode, mite, and parasitic wasp species (White et al, 1970;Shapiro et al, 1997;Salame et al, 2010;Anbesse et al, 2012;Zhang et al, 2018). Selective breeding and experimental evolution are therefore promising methods to improve biocontrol agents.…”

Section: Introductionmentioning

confidence: 99%

Diving deep into a tiny world : effects of drought on the predatory mite Phytoseiulus persimilis

Hesran

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Genetic improvement of the biological control nematodeHeterorhabditis bacteriophora(Rhabditidomorpha: Heterorhabditidae): heterosis effect enhances desiccation but not heat tolerance

Cited by 10 publications

References 35 publications

It is time to bridge the gap between exploring and exploiting: prospects for utilizing intraspecific genetic variation to optimize arthropods for augmentative pest control – a review

It is time to bridge the gap between exploring and exploiting: prospects for utilizing intraspecific genetic variation to optimize arthropods for augmentative pest control – a review

Formulation of entomopathogenic nematodes for crop pest control - a review

Diving deep into a tiny world : effects of drought on the predatory mite Phytoseiulus persimilis

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