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  4. Fungicides in nectar and pollen collected by bumble bees in a cherry orchard

Fungicides in nectar and pollen collected by bumble bees in a cherry orchard

Dates

Publication Date
Start Date
2016-03-28
End Date
2016-04-08

Citation

Hladik, M.L., Sanders, C.J., Strange, J.P., Kuivila, K.M., 2020, Fungicides in nectar and pollen collected by bumble bees in a cherry orchard: U.S. Geological Survey data release, https://doi.org/10.5066/P9QECHL7.

Summary

Lab-reared colonies of Bombus huntii (Hunt bumble bee) were deployed in a commercial cherry orchard in the spring of 2016. A fungicide formulation containing boscalid (25.2%) and pyraclostrobin (12.8%) was applied one time at the recommended label rate. Nectar and pollen were collected daily, beginning two days before spray application and continuing for ten days following. Nectar samples were extracted with acetonitrile and cleaned up using dispersive solid-phase extraction with primary-secondary amine, C18, and magnesium sulfate. Pollen samples were extracted with ethyl acetate. Both types of samples were analyzed by GC-MS/MS for boscalid and pyraclostrobin. Fungicide concentrations in nectar varied spatially (by hive) and temporally. [...]

Contacts

Point of Contact :
Michelle L Hladik
Originator :
Michelle L Hladik, Corey J Sanders, James P Strange, Kathryn M Kuivila
Metadata Contact :
Michelle L Hladik
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
California Water Science Center
USGS Mission Area :
Environmental Health

Attached Files

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Fungicides in nectar and pollen collected by bumble bees in a cherry orchard.xml
Original FGDC Metadata
View 		15.29 KB application/fgdc+xml
IMG_4211.JPG thumbnail 2.81 MB image/jpeg
Nectar Fungicides 2016.csv 3.27 KB text/csv
Pollen Fungicides 2016.csv 2.47 KB text/csv

Purpose

The purpose of the data collection was to document the occurrence of recently applied fungicides in nectar and pollen collected by bumble bees in a cherry orchard. These data will help determine potential exposure of bumble bees to fungicides under environmentally relevant conditions.
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  • USGS California Water Science Center
  • USGS Data Release Products

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9QECHL7

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