Effect of microplastics on growth and reproduction of Eisenia fetida

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dc.contributor.advisorVashishat, Nisha
dc.contributor.authorRaminderdeep Kaur
dc.date.accessioned2022-05-07T09:18:47Z
dc.date.available2022-05-07T09:18:47Z
dc.date.issued2021
dc.description.abstractPlastics are versatile, hygienic, light weight and highly durable product. Microplastics are ubiquitous in nature. The microplastics reach soils via routes viz. sewage sludge, agricultural mulching, through plastic waste etc.The current study investigated the effect of microplastics on growth and reproduction of Eisenia fetida. The earthworms were exposed to microplastics for a period of 28 days. There were six treatments considered for the present study viz. T1 (1g/kg dry wt), T2 (5g/kg dry wt), T3 (10 g/kg), T4 (15 g/kg), T5 (g/kg dry wt). Following exposure change in body weight, effect on cocoon number, change in hatchling no, change in the activity of glutathione-S-transferase, DNA damage through comet assay was observed. In addition effect on the microflora composition of gut of earthworm was also observed. The results indicated dose dependent effect on body weight. The weight decreased as the dose of the microplastics increased. There was no significant change observed in cocoon and hatchling number. The GST activity was found to increase initially at higher dose. But with further increase in the dose GST activity decreased significantly. The DNA damage was found showed a dose dependent effect. There was no effect reported on the microflora in the gut of the earthworm. The results indicate that microplastics have a dose dependent effect on body weight of earthworms. It is inferred that microplastics have no effect on the reproduction of the earthworm at the selected concentrations.en_US
dc.identifier.citationRaminderdeep Kaur (2021). Effect of microplastics on growth and reproduction of Eisenia fetida (Unpublished M.Sc. thesis). Punjab Agricultural University, Ludhiana, Punjab, India.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810184448
dc.keywordsMicroplastics, Eisenia fetida, earthworms, reproduction, comet assay, GSTen_US
dc.language.isoEnglishen_US
dc.pages61en_US
dc.publisherPunjab Agricultural University, Ludhianaen_US
dc.research.problemEffect of microplastics on growth and reproduction of Eisenia fetidaen_US
dc.subZoologyen_US
dc.themeEffect of microplastics on growth and reproduction of Eisenia fetidaen_US
dc.these.typeM.Scen_US
dc.titleEffect of microplastics on growth and reproduction of Eisenia fetidaen_US
dc.typeThesisen_US
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