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Doctor of Philosophy
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- 1 Similar Profiles
Collaborations and top research areas from the last five years
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A framework linking silicon fertilisation, plant silicification and soil carbon cycling
Li, X., Johnson, S. & Carrillo, Y., May 2026, In: Plants People Planet. 8, 3, p. 861-870 10 p.Research output: Contribution to journal › Review article › peer-review
Open Access2 Citations (Scopus) -
Could large-scale silicon supplementation of crop-lands mitigate the impacts of climate change?
Johnson, S. N., Simpson, K. J. & Hartley, S. E., May 2026, In: Plants People Planet. 8, 3, p. 764-772 9 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Citation (Scopus)34 Downloads (Pure) -
Interactions between beneficial fungi and plant silicon: a review
Kasige, R. H., Cibils-Stewart, X., Frew, A. & Johnson, S. N., Jan 2026, In: Journal of Ecology. 114, 1, 17 p., e70207.Research output: Contribution to journal › Article › peer-review
1 Citation (Scopus) -
Plant silicon defences suppress herbivore growth but trigger compensatory feeding in a moderate-accumulating grass
Johnson, S. N., Cibils-Stewart, X. & Ferdous, J., May 2026, In: Plants. 15, 9, 12 p., 1380.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
Mycorrhizal fungi compromise production of endophytic alkaloids, increasing plant susceptibility to an aphid herbivore
Cibils-Stewart, X., Vandegeer, R. K., Mace, W. J., Hartley, S. E., Powell, J. R., Popay, A. J. & Johnson, S. N., Jun 2025, In: Journal of Ecology. 113, 6, p. 1368-1381 14 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile9 Citations (Scopus)30 Downloads (Pure)
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Synergising plant symbionts and silicon to mitigate heat stress in legumes
Johnson, S. (PI) & Carrillo Espanol, Y. (Investigator)
19/12/25 → 18/12/28
Project: Research
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Assessing Plant Available Silicon uptake of different grades of Amorphous Silica when applied to Wheat (Triticum aestivum)
Johnson, S. (PI)
18/04/22 → 23/12/22
Project: Research
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Are we really heading for `insectageddon'? Characterising changes in Eucalypt invertebrate communities under rising CO2
Johnson, S. (PI)
1/07/19 → 30/09/23
Project: Research
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How silicon kick-starts nitrogen fixation in legumes and what this means for insect food-webs
Johnson, S. (PI) & Putra, R. (Scholarship Recipient)
Australian Steel Mill Services Pty Limited, University of York
5/03/18 → 1/07/21
Project: Research
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Time to prime: using silicon to activate grass resistance under higher CO2
Johnson, S. (PI)
1/08/17 → 31/03/23
Project: Research
Datasets
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Elevated atmospheric CO2 changes defence allocation in wheat but herbivore resistance persists
Johnson, S., Cils-Stewart, X., Waterman, J., Biru, F., Rowe, R., Cibils Stewart, X., Waterman, J. M., Biru, F. N., Rowe, R. C. & Stewart, X., Dryad, 23 Nov 2021
DOI: 10.5061/dryad.2280gb5tb, https://datadryad.org/stash/dataset/doi:10.5061/dryad.2280gb5tb and 2 more links, https://zenodo.org/records/5722182, https://doi.org/10.5061/dryad.2280gb5tb (show fewer)
Dataset
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Short-term exposure to silicon rapidly enhances plant resistance to herbivory
Waterman, J. M., Cibils Stewart, X., Cazzonelli, C., Hartley, S. & Johnson, S., Dryad, 7 Jun 2021
DOI: 10.1002/ECY.3438, https://doi.org/10.1002/ECY.3438
Dataset
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Silicon and Epichloë-endophyte defences in a model temperate grass diminish feeding efficiency and immunity of an insect folivore
Cibils-Stewart, X., Putra, R., Islam, T., Fanna, D. J., Wuhrer, R., Mace, W. J., Hartley, S. E., Popay, A. J. & Johnson, S. N., ZENODO, 28 Sept 2023
DOI: 10.5061/dryad.0cfxpnw83, https://zenodo.org/records/8388220
Dataset
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Elevated atmospheric CO2 and silicon antagonistically regulate anti-herbivore phytohormone and defence gene expression levels in wheat
Biru, F., Jwalit, N., Waterman, J., Cazzonelli, C., Elbaum, R. & Johnson, S., Mendeley Data, 24 Oct 2024
DOI: 10.17632/hnjs4yw5w6.1, https://data.mendeley.com/datasets/hnjs4yw5w6
Dataset
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Contrasting impacts of herbivore-induction and elevated atmospheric CO2 on silicon defences and consequences for subsequent herbivores
Biru, F., Cazzonelli, C., Elbaum, R. & Johnson, S., Mendeley Data, 30 Jan 2022
DOI: 10.17632/n57vftd353.1, https://data.mendeley.com/datasets/n57vftd353
Dataset