Corbicular pollen as a source of environmental and pesticide residue in agroecosystems

Dublin Core

Title

Corbicular pollen as a source of environmental and pesticide residue in agroecosystems

Subject

POLEN 

RESIDUOS DE PESTICIDAS
ANALISIS DE RESIDUOS
PALINOLOGIA
ABEJAS
BIBLIOGRAFIA NACIONAL QUIMICA
2023

Abstract

The field-gathered pollen collected by honey bees, named corbicular pollen, is a source of information from the beehive’s environment. Palynological analysis of pollen collected by honey bees offers details on the amounts and types of botanical resources they visited. Pollen can be contaminated due to agricultural practices, which can be useful as a source of information of the type and amount of pollutants honey bees bring to the hive. In the present work, palynological and pesticide residue analyses were performed in 27 samples of corbicular pollen from 8 apiaries located in different agroecosystems from Uruguay. Most of the pollen in each sample, except one, came from non-cultivated and native flora species, independently from the apiaries location: 43 botanical resources were identified but only 12 of them corresponded to cultivated plants. Pesticide residues analysis was targeted to 33 compounds and performed by chromatography coupled to mass spectrometry techniques, using validated protocols. Different loads and types of pesticides were detected in the different agroecosystems: 72 pesticide residues corresponding to 13 active substances in a concentration range from 0.4 to 90 µg kg-1 . The Pollen Hazard Quotient (PHQ) was calculated in order to rank pesticides and agroecosystems according to honey bee risk-based criteria. The combination of palynological studies of each sample coupled to the determination of its pesticide loads´, permitted to pose questions about the different possible origins of the exposure of honey bees to pesticides.

Creator

Dorrego, Melina
Genolet, Romina
Santos, Estela
Díaz, Rosana
Niell, Silvina

Source

Pesticide Residues: Chemistry, Toxicology and Environmental Impact / Goode, David J. , ed.. -- s.l. : Nova Sience, 2023

Publisher

Nova Sience Publishers

Date

2023

Rights

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Format

PDF

Extent

27 p.

Language

Inglés

Type

Capítulo

Identifier

979-8-88697-557-4

Document Item Type Metadata

Original Format

PDF
Date Added
August 2, 2023
Collection
Bibliografía Nacional Química
Item Type
Document
Tags
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Citation
Jesús, Florencia et al., “Corbicular pollen as a source of environmental and pesticide residue in agroecosystems,” RIQUIM - Repositorio Institucional de la Facultad de Química - UdelaR, accessed November 17, 2025, https://riquim.fq.edu.uy/items/show/6665.