Fate, distribution, and bioconcentration of pesticides impact on the organic farms of Cameron Highlands, Malaysia

Yang Farina Abdul Aziz, Nusrat Munawar, Md. Pauzi Abdullah, Mohammad Yaqoob, Abdul Nabi

Research output: Contribution to journalArticle

Abstract

Occurrence and distribution of organochlorine pesticides (OCPs), organophosphate pesticides (OPPs), and pyrethroid pesticides (PYRs) residues in the leafy vegetables were analyzed together with the soil samples using gas chromatography-electron capture detector. Edible tissues of vegetables showed detectable residues of these compounds indicating the influence of the conventional farms and nearby organic farms. In the vegetables, the OCPs concentrations were recorded as nd—133.3 ng/g, OPPs as nd—200 ng/g, and PYRs as nd—33.3 ng/g. In the soil, the OCPs concentrations were recorded as nd—30.6 ng/g, OPPs as nd—26.6 ng/g, and for PYRs as nd—6.7 ng/g. Bioconcentration factor (BCF) was higher for the OPPs (0.3) than the OCPs and PYRs (1.1). The OCPs concentration in the vegetables decreased in the following order: spinach > celery > broccoli > cauliflower > cabbage > lettuce > mustard. For OPPs, the concentration decreased in the following order: cauliflower > spinach > celery > cabbage > broccoli > lettuce > mustard and for PYRs as spinach > celery > lettuce > cabbage > broccoli. Principal component analysis indicates that the sources of these pesticides are not the same, and the pesticide application on the vegetables depends on the type of crop. There is a significant positive correlation between OPPs and the soil (r = 0.65) as compared to OCPs and PYRs (r = 0.1) as the vegetables accumulated OPPs more efficiently than OCPs and PYRs.

Original languageEnglish
Article number386
JournalEnvironmental Monitoring and Assessment
Volume190
Issue number7
DOIs
Publication statusPublished - 1 Jul 2018

Fingerprint

Pesticides
Farms
bioaccumulation
pesticide
farm
vegetable
Vegetables
leafy vegetable
pesticide application
soil
pesticide residue
organophosphorus pesticide
organochlorine pesticide
distribution
principal component analysis
gas chromatography
Soils
electron
crop
Gas chromatography

Keywords

  • Bioconcentration
  • Organic farms
  • Organochlorine pesticides
  • Organophosphate pesticides
  • Pyrethroid pesticides

ASJC Scopus subject areas

  • Environmental Science(all)
  • Pollution
  • Management, Monitoring, Policy and Law

Cite this

Fate, distribution, and bioconcentration of pesticides impact on the organic farms of Cameron Highlands, Malaysia. / Abdul Aziz, Yang Farina; Munawar, Nusrat; Abdullah, Md. Pauzi; Yaqoob, Mohammad; Nabi, Abdul.

In: Environmental Monitoring and Assessment, Vol. 190, No. 7, 386, 01.07.2018.

Research output: Contribution to journalArticle

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