Effect of the spray application technique on the deposition of entomopathogenic nematodes in vegetables

Brusselman, Eva; Beck, Bert; Pollet, Sabien; Temmerman, Femke; Spanoghe, Pieter; Moens, Maurice; Nuyttens, David

doi:10.1002/ps.2290

Cited by 25 publications

(21 citation statements)

References 30 publications

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“…For instance, pressure (Fife, Derksen, Ozkan, & Grewal, 2003;Shapiro-Ilan, Gouge, Piggott, & Fife, 2006), nozzle shape (Fife, Ozkan, Derksen, Grewal, & Krause, 2005) or pump type (Fife, Ozkan, Derksen, & Grewal, 2007) can reduce the post-application effectiveness of EPNs and have to be carefully selected (Bateman et al, 2007). It would therefore be interesting to develop specific hardware to increase compatibility with EPNs as demonstrated in several studies (e.g., Beck et al, 2013Beck et al, , 2014Brusselman et al, 2012).…”

Section: Development Of Release Methods and Formulationsmentioning

confidence: 96%

Prospects in the Application Technology and Formulation of Entomopathogenic Nematodes for Biological Control of Insect Pests

Hiltpold

2015

Nematode Pathogenesis of Insects and Other Pests

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Efficient application of the most suitable entomopathogenic nematode (EPN) species and/or population is pivotal to successful biological control strategies. Prior to the release of EPNs, particular attention should therefore be paid to the selection of the appropriate species or population of EPN to optimize their efficacy under given conditions. Additionally, appropriate timing of EPN release and the use of optimal equipment will result in successful biological control programs. Both biotic and abiotic factors influencing EPN success are then to be taken into account when planning to implement EPN pest control programs (also discussed in Chap. 9 of this volume). This chapter reviews the latest knowledge and ideas in EPN release methods and the ways of improving their effectiveness in controlling target insect pests. Prospects for integrated approaches are also discussed.

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Section: Development Of Release Methods and Formulationsmentioning

confidence: 96%

Prospects in the Application Technology and Formulation of Entomopathogenic Nematodes for Biological Control of Insect Pests

Hiltpold

2015

Nematode Pathogenesis of Insects and Other Pests

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“…However, there are many factors that affect their survival time: sedimentation, high oxygen demand, decreased response of some species at low temperatures, susceptibility to microbial contamination, special storage conditions and appropriate concentration for each species (Grewal & Peters 2005). Also, the refrigeration requirements increase costs, hinder the transport (Grewal 2002) and involve the use of application equipment with specific requirements (Toepfer et al 2010;Brusselman et al 2012;Lacey & Georgis 2012;Beck et al 2014;Shapiro-Ilan et al 2015).…”

Section: Formulations For Storage and Transportmentioning

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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“…When application of EPN is directed on the soil, adequate moisture for survival and movement is required, and thus irrigation is recommended (Shetlar et al 1988;Downing 1994;Koppenhöfer et al 1995). Other ways for improving efficacy of EPN applications are related to equipment modification (e.g., nozzles, pumps, spray distribution) for enhanced survival and dispersion (Shapiro-Ilan et al 2006;Brusselman et al 2012). EPN are also used successfully for controlling tree-boring pests, and in such cases the application method can be more sophisticated, using for instance gels and injections, rather than just drenching in the soil around the tree (De altube et al 2008;Dembilio et al 2010;Morton and García Del Pino 2008;El-borai et al 2012;Shapiro-Ilan et al 2010, 2016a, but little is known about dispersal and host-finding in the tree environment (Santhi et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Optimizing the application method of entomopathogenic nematode suspension for biological control of large pine weevil Hylobius abietis

et al. 2017

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Entomopathogenic nematodes (EPNs) are effective against the immature stages of the large pine weevil Hylobius abietis. In three field trials we compared the efficacy of the application method of EPN for weevil suppression below the suggested threshold of 20 weevils per stump: applying the EPN suspension in the top edges of the stumps ('top') vs. drenching the soil around stumps ('standard'). For Steinernema carpocapsae, weevil suppression was below the targeted threshold only when suspension was applied in the standard way (two of the three sites). On the other hand, weevil suppression was provided in all three cases of 'top' application of Heterorhabditis downesi suspension, whereas suppression in 'standard' application was observed in one site. Percentage parasitism of developing weevils in relation to depth and distance help explain EPN movement post-application. Weevil suppression relative to suggested thresholds can be improved by altering the method of EPN application depending on the nematode species.

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Effect of the spray application technique on the deposition of entomopathogenic nematodes in vegetables

Cited by 25 publications

References 30 publications

Prospects in the Application Technology and Formulation of Entomopathogenic Nematodes for Biological Control of Insect Pests

Prospects in the Application Technology and Formulation of Entomopathogenic Nematodes for Biological Control of Insect Pests

Formulation of entomopathogenic nematodes for crop pest control - a review

Optimizing the application method of entomopathogenic nematode suspension for biological control of large pine weevil Hylobius abietis

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