Studies on the abilities of uptake and translocation from root to shoot of pesticides in soil

The uptake experiments with pesticides were performed to clarify differences among plant species, and the influence of growth stages and conditions on the uptake and translocation ability of pesticides. There were 2–10-fold differences among plant species in the root and shoot concentrations of each...

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Bibliographic Details
Published in:Journal of Pesticide Science 2022/08/20, Vol.47(3), pp.131-138
Main Author: Namiki, Sayuri
Format: Article
Language:English
Subjects:
Brassica
Growth conditions
Growth stage
Organic chemistry
Organic soils
Pesticides
Plant species
root concentration factor
Roots
shoot–root concentration ratio
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Soil chemistry
Soils
Translocation
transpiration stream concentration factor
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Summary:The uptake experiments with pesticides were performed to clarify differences among plant species, and the influence of growth stages and conditions on the uptake and translocation ability of pesticides. There were 2–10-fold differences among plant species in the root and shoot concentrations of each pesticide, and shoot concentrations of pesticides in Brassica rapa L. var. perviridis were relatively high. In addition, the changes in shoot concentrations with growth stage of B. rapa were affected by root system development. The influence of temperature on uptake and translocation ability differed for each pesticide, while uptake and translocation ability were high for short day lengths. This indicated that plant uptake and translocation of pesticides were affected by root system development and growth conditions such as temperature and day length, not only the relationships to the chemical’s properties and behavior of organic chemicals in the soil.
ISSN:1348-589X
1349-0923
DOI:10.1584/jpestics.J22-01