Plasma-activated water irrigation increases mortality of immature spider mites (Tetranychus urticae) on tomato plants.

Patrice Jacob Savi, Sydney Robertson, Anil Mantri, Bruno Augusto Mattar Carciofi, George Amponsah Annor, Christian Nansen

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Patrice Jacob SaviDepartment of Entomology and Nematology, University of California, Davis, CA, 95616, USA. psavi@ucdavis.edu.

Sydney RobertsonDepartment of Entomology and Nematology, University of California, Davis, CA, 95616, USA.

Anil MantriDepartment of Entomology and Nematology, University of California, Davis, CA, 95616, USA.

Bruno Augusto Mattar CarciofiDepartment of Biological and Agricultural Engineering, University of California, Davis, CA, 95616, USA.

George Amponsah AnnorDepartment of Food Science and Nutrition, University of Minnesota, Saint Paul, MN, 55455, USA.

Christian NansenDepartment of Entomology and Nematology, University of California, Davis, CA, 95616, USA.

Funding

California Department of Food and Agriculture 21-0732-001-SFNational Institute of Food and Agriculture 2023-51106-40946

6 · The paper itself

Abstract

Supplementary irrigation with plasma-activated water (PAW) has been shown to boost seed germination and seedling vigor, and it has the potential to induce host plant resistance against pest populations, such as, two-spotted spider mites (TSSM) (Tetranychus urticae Koch). However, there is limited knowledge about the relative susceptibility of TSSM life stages to supplementary PAW irrigation. Here, we used age two-sex life table analysis to examine demographic parameters on leaf discs from control tomato plants (no PAW irrigation) and from plants receiving supplementary PAW irrigation, PAW1 and PAW2 (treatment of water for 6.0 and 9.4 min with atmospheric plasma jet respectively). Immature TSSM mortality was significantly higher on PAW1 (52%) and PAW2 (26%) treatments compared to control (6%). Immature developmental duration, adult pre-oviposition period and total pre-oviposition periods, adult longevity, fecundity, and sex ratio were all significantly reduced in response to PAW irrigation. Life table analyses showed that intrinsic rate of increase (r), net reproductive rate (R

Indexed as

Agricultural IrrigationPlasma GasesSolanum lycopersicumTetranychidaeWaterAnimalsFemaleMalePlant LeavesPlasma GasesWaterInnovative pest managementLife table parametersPlant resistanceSustainable pest managementTwo-sex life table analysis

Identifiers

PMID40594641

DOI10.1038/s41598-025-05629-2

PMCPMC12217588

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