Items where Author is "Orr, Ryan"

Article

Cheesman, A. W., Middleby, K. B., Orr, R., Han, L., Rossouw, G. and Cernusak, L. A. (2025) Acclimation of mango ( Mangifera indica cv. Calypso) to canopy light gradients - scaling from leaf to canopy. Tree Physiology . (In Press) https://doi.org/10.1093/treephys/tpaf109

Cheesman, J., Bennett, D. M., Wright, C. L., Orr, R. and De Faveri, S. G. (2025) Narrow, Open Canopy Architecture Enables More Effective Management of Mango Scale, Aulacaspis tubercularis Newstead in Mango Orchards. Journal of Applied Entomology . https://doi.org/10.1111/jen.13474

Benzing, A., Piepho, H.-P., Orr, R. and Ullauri, J.-C. (2025) Deviation From the Regression of Yield on Nitrogen Fertiliser Rate as a Tool for Detecting Fraud in Organic Banana Production. Journal of Plant Nutrition and Soil Science, n/a (n/a). https://doi.org/10.1002/jpln.12009

Dickinson, G. R., Bennett, D. M., Bally, I. S.E., Orr, R., Empson, M., Quddus, S., Robson, A.J. and Walsh, K.B. (2025) Facilitating industry adoption of intensive mango practices and new ag-technologies in Australia. Acta Horticulturae, 1415 . pp. 69-76. https://doi.org/10.17660/ActaHortic.2025.1415.8

Bally, I. S.E., Ibell, P. T., Mahmud, K., Orr, R., Dickinson, G. R., Scobell, Z., Kolala, R., Mizani, A., Rossouw, G. C., Bennett, D. M., Wright, C. L. and Wilkie, J. (2025) Rethinking mango production systems, towards intensive high-density orchards. Acta Horticulturae, 1415 . pp. 77-86. https://doi.org/10.17660/ActaHortic.2025.1415.9

Han, L., Cao, J., Ibell, P. T., Orr, R., Abramson, D., Carr, D., Diczbalis, Y. and Innes, D. J. (2024) Digital twins for mitigation of orchard spray drift. Acta Horticulturae, 1395 . pp. 67-78. https://doi.org/10.17660/ActaHortic.2024.1395.10

Browne, D. J., Miller, C. M., O'Hara, E. P., Courtney, R., Seymour, J., Doolan, D. L. and Orr, R. (2024) Optimization and application of bacterial environmental DNA and RNA isolation for qualitative and quantitative studies. Environmental DNA, 6 (4). e589. https://doi.org/10.1002/edn3.589

Rossouw, G. C., Orr, R., Bennett, D. M. and Bally, I. S.E. (2024) The roles of non-structural carbohydrates in fruiting: a review focusing on mango (Mangifera indica). Functional Plant Biology, 51 (4). https://doi.org/10.1071/FP23195

Orr, R., Ibell, P., Wilkie, J. D., Wright, C. L. and Bally, I. S.E. (2023) Competition regulates mango fruiting above a floral density threshold. Scientia Horticulturae, 321 . p. 112241. https://doi.org/10.1016/j.scienta.2023.112241

Orr, R., Northfield, T. D., Pattison, A. B. and Nelson, P. N. (2023) Soil physicochemical characteristics and leaf nutrient contents on banana farms of North Queensland, Australia. Crop and Pasture Science, 74 (5). pp. 483-493. https://doi.org/10.1071/CP22306

Orr, R., Dennis, P. G., Wong, Y., Browne, D. J., Cooper, M., Birt, H. W. G., Lapis-Gaza, H. R., Pattison, A. B. and Nelson, P. N. (2022) Nitrogen fertilizer rate but not form affects the severity of Fusarium wilt in banana. Frontiers in Plant Science, 13 , 907819. https://doi.org/10.3389/fpls.2022.907819

Orr, R. and Nelson, P. N. (2021) Eucalyptus cloeziana mulch suppresses Fusarium wilt of banana. Crop Protection, 147 . p. 105694. https://doi.org/10.1016/j.cropro.2021.105694

Orr, R., Pattison, A. B., Northfield, T. and Nelson, P. N. (2021) Iron chelates have little to no effect on the severity of Fusarium wilt of bananas in soils of the humid tropics. Journal of Plant Pathology, 103 (2). pp. 595-604. https://doi.org/10.1007/s42161-021-00816-2

Orr, R., Hocking, R. K., Pattison, A. B. and Nelson, P. N. (2020) Extraction of metals from mildly acidic tropical soils: Interactions between chelating ligand, pH and soil type. Chemosphere, 248 . p. 126060. https://doi.org/10.1016/j.chemosphere.2020.126060

Orr, R., Pattison, A. B., East, D. J., Warman, N., O’Neill, W. T., Czislowski, E. and Nelson, P. N. (2019) Image-based quantification of Fusarium wilt severity in banana. Australasian Plant Disease Notes, 14 (1). p. 14. https://doi.org/10.1007/s13314-019-0344-7

Bowen, A., Orr, R., McBeath, A. V., Pattison, A. B. and Nelson, P. N. (2019) Suppressiveness or conduciveness to Fusarium wilt of bananas differs between key Australian soils. Soil Research, 57 (2). pp. 158-165. https://doi.org/10.1071/SR18159

Orr, R. and Nelson, P. N. (2018) Impacts of soil abiotic attributes on Fusarium wilt, focusing on bananas. Applied Soil Ecology, 132 . pp. 20-33. https://doi.org/10.1016/j.apsoil.2018.06.019

Conference or Workshop Item

Dickinson, G. R., Grunennvaldt, R., Falivene, S., Bennett, D. M., Carr, B., Orr, R., Haberman, A., Monks, D., De Bei, R., Bally, I. S.E. and White, M. (2025) Assessing industry impact from an orchard systems research program in Australia. In: XIII International Symposium on Integrating Canopy, Rootstock and Environmental Physiology in Orchard Systems, 19 to 24 January 2025, Napier, New Zealand.

Rossouw, G. C., Tamelini, B. R., Orr, R. and Dickinson, G. R. (2025) Carbohydrate reserve regulation and fruit productivity in two mango cultivars at high or low planting densities. In: XIII International Symposium on Integrating Canopy, Rootstock and Environmental Physiology in Orchard Systems, 19 to 24 January 2025, Napier, New Zealand.

Orr, R., Cheesman, A. W., Cernusak, L. A., Han, L., Middleby, K., Rossouw, G. C., Scobell, Z. and Dickinson, G. R. (2025) Narrow mango canopies have more even light distribution and more efficient light use. In: XIII International Symposium on Integrating Canopy, Rootstock and Environmental Physiology in Orchard Systems, 24 January 2025, Napier, New Zealand.

Thesis

Orr, R. (2022) The effect of soil physico-chemical characteristics on the severity of Fusarium wilt of bananas. PhD thesis, James Cook University, 173 pages. https://doi.org/10.25903/5gkj-0t06

Dataset

Cheesman, J., Bennett, D. M., Wright, C. L., Orr, R. and De Faveri, S. G. (2025) Effect of canopy architecture on mango scale population, damage, and mango fruit quality. [Dataset] https://doi.org/10.60699/djjt-sa02