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Peer-reviewedCC BY-NC-NDJournal of agricultural and food chemistry

Distinct Drivers for Fungicide Uptake, Total Translocation, and Translocation Direction.

  • Jordan Campbell1
  • Joel Haywood1
  • Arundhati Singh1
  • Joshua S Mylne1
  • Hendra Gunosewoyo2
  • Berin A Boughton3
  • M Jordi Muria-Gonzalez1
  1. 1Centre for Crop and Disease Management, Curtin University, Perth6102, Western Australia, Australia.
  2. 2Medical Research Institute, Curtin University, Perth6102, Western Australia, Australia.
  3. 3La Trobe Institute for Sustainable Agriculture and Food, La Trobe University, Bundoora3083, Victoria, Australia.
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Abstract

Fungicide distribution in planta affects the efficacy but lacks quantitative characterization. We used LC-MS/MS to separately quantify uptake, total translocation, and basal translocation of 14 structurally diverse fungicides and correlate each behavior with physicochemical properties. Formulation strongly affected uptake but not necessarily translocation. Uptake ranged 18-fold (1.5-27% of dose), total translocation 25-fold (3.3-83% of uptake), and basal translocation 90-fold (0.05-4.6% of translocated fungicide). Lipophilicity, the proposed primary predictor of systemic movement, did not alone explain these behaviors. Uptake and total translocation decreased with molecular weight, and uptake was further reduced for polar, chemically reactive, flexible, and highly lipophilic molecules. The basal movement increased with polarity. Warmer temperatures increased early total translocation and uptake and dissipation of flutriafol and cyproconazole. Systemic movement occurs on a continuum determined by active ingredient chemistry rather than formulation, with distinct physicochemical properties influencing uptake, total translocation, and translocation direction.

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Cite

BibTeXRIS
BibTeX
@article{campbell2026distinct,
  title = {{Distinct Drivers for Fungicide Uptake, Total Translocation, and Translocation Direction.}},
  author = {Jordan Campbell and Joel Haywood and Arundhati Singh and Joshua S Mylne and Hendra Gunosewoyo and Berin A Boughton and M Jordi Muria-Gonzalez},
  journal = {Journal of agricultural and food chemistry},
  year = {2026},
  month = oct,
  doi = {10.1021/acs.jafc.6c09200},
  url = {https://europepmc.org/article/MED/42915804},
  note = {CC BY-NC-ND},
}
RIS
TY  - JOUR
TI  - Distinct Drivers for Fungicide Uptake, Total Translocation, and Translocation Direction.
AU  - Jordan Campbell
AU  - Joel Haywood
AU  - Arundhati Singh
AU  - Joshua S Mylne
AU  - Hendra Gunosewoyo
AU  - Berin A Boughton
AU  - M Jordi Muria-Gonzalez
PY  - 2026
DA  - 2026/10/01
JO  - Journal of agricultural and food chemistry
DO  - 10.1021/acs.jafc.6c09200
UR  - https://europepmc.org/article/MED/42915804
AB  - Fungicide distribution in planta affects the efficacy but lacks quantitative characterization. We used LC-MS/MS to separately quantify uptake, total translocation, and basal translocation of 14 structurally diverse fungicides and correlate each behavior with physicochemical properties. Formulation strongly affected uptake but not necessarily translocation. Uptake ranged 18-fold (1.5-27% of dose), total translocation 25-fold (3.3-83% of uptake), and basal translocation 90-fold (0.05-4.6% of translocated fungicide). Lipophilicity, the proposed primary predictor of systemic movement, did not alone explain these behaviors. Uptake and total translocation decreased with molecular weight, and uptake was further reduced for polar, chemically reactive, flexible, and highly lipophilic molecules. The basal movement increased with polarity. Warmer temperatures increased early total translocation and uptake and dissipation of flutriafol and cyproconazole. Systemic movement occurs on a continuum determined by active ingredient chemistry rather than formulation, with distinct physicochemical properties influencing uptake, total translocation, and translocation direction.
SN  - 0021-8561
SN  - 1520-5118
ER  -