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The Influence of Var. Growth Conditions on the Uptake and Translocation of Pesticides

Overview
Journal J Pestic Sci
Date 2018 Nov 28
PMID 30479545
Citations 4
Authors
Sayuri Namiki
Takashi Otani
Yutaka Motoki
Nobuyasu Seike
Affiliations
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Abstract

We cultivated var. in soil mixed with four pesticides (fenobucarb, procymidone, flutolanil, and tolclofos-methyl) at different temperatures, day lengths, and soil water contents. We compared plants' uptake and translocation abilities of the pesticides as affected by growth conditions. The root concentration factor (RCF) of pesticides tended to increase with rising temperature; however, but the influence of temperature on the transpiration stream concentration factor (TSCF) differed for each pesticide. The RCFs and TSCFs of pesticides were high for short days. The soil water content had little or no effect on the uptake and translocation of pesticides. These results showed that it is necessary to consider growth conditions, especially the temperature and day length in plant uptake models for these pesticides.

Citing Articles

A simulation model (PostPLANT-Soil) for predicting pesticide concentrations in succeeding leafy vegetables: I. Validation with experimental data in a Japanese Andosol field.

Inao K, Namiki S, Motoki Y, Seike N, Watanabe E J Pestic Sci. 2023; 48(4):117-127.

PMID: 38090222 PMC: 10710932. DOI: 10.1584/jpestics.D23-006.

A simulation model (PostPLANT-Soil) for predicting pesticide concentrations in succeeding leafy vegetables: II. Validation with experimental data on plant uptake in a growth chamber.

Namiki S, Inao K, Motoki Y, Seike N, Watanabe E J Pestic Sci. 2023; 48(4):175-186.

PMID: 38090220 PMC: 10710946. DOI: 10.1584/jpestics.D23-007.

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

Namiki S J Pestic Sci. 2022; 47(3):131-138.

PMID: 36479451 PMC: 9706277. DOI: 10.1584/jpestics.J22-01.

Relationship between growth stage of var. and the abilities for uptake and translocation of pesticides in soil.

Namiki S, Seike N, Motoki Y J Pestic Sci. 2019; 44(1):1-8.

PMID: 30846904 PMC: 6399001. DOI: 10.1584/jpestics.D18-062.

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