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Outputs (61)

Interaction of planting system with radiation-use efficiency in wheat lines (2023)
Journal Article
Moroyoqui‐Parra, M. A., Molero, G., Reynolds, M. P., Gaju, O., Murchie, E. H., & Foulkes, M. J. (2024). Interaction of planting system with radiation-use efficiency in wheat lines. Crop Science, 64(1), 314-332. https://doi.org/10.1002/csc2.21115

Radiation-useefficiency (RUE) is animportant trait for raising biomass and yield potential in plant breeding. However, the effect of the planting system (PS) on genetic variation in RUE has not been previously investigated. Our objectives were to qua... Read More about Interaction of planting system with radiation-use efficiency in wheat lines.

Water use efficiency responses to fluctuating soil water availability in contrasting commercial sugar beet varieties (2023)
Journal Article
Barratt, G. E., Murchie, E. H., & Sparkes, D. L. (2023). Water use efficiency responses to fluctuating soil water availability in contrasting commercial sugar beet varieties. Frontiers in Plant Science, 14, Article 1119321. https://doi.org/10.3389/fpls.2023.1119321

Many areas of sugar beet production will face hotter and drier summers as the climate changes. There has been much research on drought tolerance in sugar beet but water use efficiency (WUE) has been less of a focus. An experiment was undertaken to ex... Read More about Water use efficiency responses to fluctuating soil water availability in contrasting commercial sugar beet varieties.

Mass screening of rice mutant populations at low CO2 for identification of lowered photorespiration and respiration rates (2023)
Journal Article
Mubarak, A. N., Burgess, A. J., Pyke, K., Quick, W. P., & Murchie, E. H. (2023). Mass screening of rice mutant populations at low CO2 for identification of lowered photorespiration and respiration rates. Frontiers in Plant Science, 14, Article 1125770. https://doi.org/10.3389/fpls.2023.1125770

Introduction: Identifying rice (Oryza sativa) germplasm with improved efficiency of primary metabolism is of utmost importance in order to increase yields. One such approach can be attained through screening genetically diverse populations under alte... Read More about Mass screening of rice mutant populations at low CO2 for identification of lowered photorespiration and respiration rates.

Does canopy angle influence radiation use efficiency of sugar beet? (2023)
Journal Article
Tillier, L., Murchie, E. H., & Sparkes, D. L. (2023). Does canopy angle influence radiation use efficiency of sugar beet?. Field Crops Research, 293, Article 108841. https://doi.org/10.1016/j.fcr.2023.108841

Sugar beet varieties differ greatly in their canopy architecture and can be classified into canopy types according to their petiole angle. Leaf angle is one of the key factors which determines the efficiency with which plant canopies utilise incident... Read More about Does canopy angle influence radiation use efficiency of sugar beet?.

Paving the way towards future-proofing our crops (2023)
Journal Article
Baekelandt, A., Saltenis, V. L., Nacry, P., Malyska, A., Cornelissen, M., Nanda, A. K., …Parry, M. A. (2023). Paving the way towards future-proofing our crops. Food and Energy Security, 12(3), Article e441. https://doi.org/10.1002/fes3.441

To meet the increasing global demand for food, feed, fibre and other plant-derived products, a steep increase in crop productivity is a scientifically and technically challenging imperative. The CropBooster-P project, a response to the H2020 call ‘Fu... Read More about Paving the way towards future-proofing our crops.

A multiscale mathematical model describing the growth and development of bambara groundnut (2022)
Journal Article
Dodd, J., Sweby, P. K., Mayes, S., Murchie, E. H., Karunaratne, A. S., Massawe, F., & Tindall, M. J. (2023). A multiscale mathematical model describing the growth and development of bambara groundnut. Journal of Theoretical Biology, 560, Article 111373. https://doi.org/10.1016/j.jtbi.2022.111373

A principal objective in agriculture is to maximise food production; this is particularly relevant with the added demands of an ever increasing population, coupled with the unpredictability that climate change brings. Further improvements in producti... Read More about A multiscale mathematical model describing the growth and development of bambara groundnut.

Improving crop yield potential: Underlying biological processes and future prospects (2022)
Journal Article
Burgess, A. J., Masclaux‐Daubresse, C., Strittmatter, G., Weber, A. P. M., Taylor, S. H., Harbinson, J., …Baekelandt, A. (2023). Improving crop yield potential: Underlying biological processes and future prospects. Food and Energy Security, 12(1), Article e435. https://doi.org/10.1002/fes3.435

The growing world population and global increases in the standard of living both result in an increasing demand for food, feed and other plant‐derived products. In the coming years, plant‐based research will be among the major drivers ensuring food s... Read More about Improving crop yield potential: Underlying biological processes and future prospects.

Phosphite treatment can improve root biomass and nutrition use efficiency in wheat (2022)
Journal Article
Mohammed, U., Davis, J., Rossall, S., Swarup, K., Czyzewicz, N., Bhosale, R., …Swarup, R. (2022). Phosphite treatment can improve root biomass and nutrition use efficiency in wheat. Frontiers in Plant Science, 13, Article 1017048. https://doi.org/10.3389/fpls.2022.1017048

Phosphite represents a reduced form of phosphate that belongs to a class of crop growth-promoting chemicals termed biostimulants. Previous research has shown that phosphite application can enhance root growth, but its underlying mechanism, especially... Read More about Phosphite treatment can improve root biomass and nutrition use efficiency in wheat.

Sunflecks in the upper canopy: dynamics of light-use efficiency in sun and shade leaves of Fagus sylvatica (2022)
Journal Article
Durand, M., Stangl, Z. R., Salmon, Y., Burgess, A. J., Murchie, E. H., & Robson, T. M. (2022). Sunflecks in the upper canopy: dynamics of light-use efficiency in sun and shade leaves of Fagus sylvatica. New Phytologist, 235(4), 1365-1378. https://doi.org/10.1111/nph.18222

Sunflecks are transient patches of direct radiation that provide a substantial proportion of the daily irradiance to leaves in the lower canopy. In this position, faster photosynthetic induction would allow for higher sunfleck-use efficiency, as is c... Read More about Sunflecks in the upper canopy: dynamics of light-use efficiency in sun and shade leaves of Fagus sylvatica.

Prediction of Photosynthetic, Biophysical, and Biochemical Traits in Wheat Canopies to Reduce the Phenotyping Bottleneck (2022)
Journal Article
Robles-Zazueta, C. A., Pinto, F., Molero, G., Foulkes, M. J., Reynolds, M. P., & Murchie, E. H. (2022). Prediction of Photosynthetic, Biophysical, and Biochemical Traits in Wheat Canopies to Reduce the Phenotyping Bottleneck. Frontiers in Plant Science, 13, Article 828451. https://doi.org/10.3389/fpls.2022.828451

To achieve food security, it is necessary to increase crop radiation use efficiency (RUE) and yield through the enhancement of canopy photosynthesis to increase the availability of assimilates for the grain, but its study in the field is constrained... Read More about Prediction of Photosynthetic, Biophysical, and Biochemical Traits in Wheat Canopies to Reduce the Phenotyping Bottleneck.

Identifying variation for N-use efficiency and associated traits in amphidiploids derived from hybrids of bread wheat and the genera Aegilops, Secale, Thinopyrum and Triticum (2022)
Journal Article
Nehe, A., King, J., King, I. P., Murchie, E. H., & Foulkes, M. J. (2022). Identifying variation for N-use efficiency and associated traits in amphidiploids derived from hybrids of bread wheat and the genera Aegilops, Secale, Thinopyrum and Triticum. PLoS ONE, 17(4 April), Article e0266924. https://doi.org/10.1371/journal.pone.0266924

Future genetic progress in wheat grain yield will depend on increasing biomass and this must be achieved without commensurate increases in nitrogen (N) fertilizer inputs to minimize environmental impacts. In recent decades there has been a loss of ge... Read More about Identifying variation for N-use efficiency and associated traits in amphidiploids derived from hybrids of bread wheat and the genera Aegilops, Secale, Thinopyrum and Triticum.

Casting light on the architecture of crop yield (2022)
Journal Article
Murchie, E. H., & Burgess, A. J. (2022). Casting light on the architecture of crop yield. Crop and Environment, 1(1), 74-85. https://doi.org/10.1016/j.crope.2022.03.009

Crop canopy architecture is a central component of yield. The arrangement of leaves in three-dimensional space defines the efficiency of absorption of radiation and its conversion into dry matter at the canopy level. The description of architecture i... Read More about Casting light on the architecture of crop yield.

Abiotic stress, acclimation, and adaptation in carbon fixation processes (2022)
Book Chapter
Murchie, E. H., McAusland, L., & Burgess, A. J. (2022). Abiotic stress, acclimation, and adaptation in carbon fixation processes. In A. Ruban, C. H. Foyer, & E. H. Murchie (Eds.), Photosynthesis in Action: Harvesting Light, Generating Electrons, Fixing Carbon (103-132). Academic Press. https://doi.org/10.1016/b978-0-12-823781-6.00011-3

Chloroplast CO2 assimilation rate is highly sensitive to environmental changes, and this has a great influence on productivity. Changes in temperature, light, humidity, nutrients, and salinity can all affect processes that limit photosynthesis. In th... Read More about Abiotic stress, acclimation, and adaptation in carbon fixation processes.

A Deep Learning Method for Fully Automatic Stomatal Morphometry and Maximal Conductance Estimation (2021)
Journal Article
Gibbs, J. A., Mcausland, L., Robles-Zazueta, C. A., Murchie, E. H., & Burgess, A. J. (2021). A Deep Learning Method for Fully Automatic Stomatal Morphometry and Maximal Conductance Estimation. Frontiers in Plant Science, 12, Article 780180. https://doi.org/10.3389/fpls.2021.780180

Stomata are integral to plant performance, enabling the exchange of gases between the atmosphere and the plant. The anatomy of stomata influences conductance properties with the maximal conductance rate, gsmax, calculated from density and size. Howev... Read More about A Deep Learning Method for Fully Automatic Stomatal Morphometry and Maximal Conductance Estimation.

Prospects to improve the nutritional quality of crops (2021)
Journal Article
Scharff, L. B., Saltenis, V. L., Jensen, P. E., Baekelandt, A., Burgess, A. J., Burow, M., …Pribil, M. (2022). Prospects to improve the nutritional quality of crops. Food and Energy Security, 11(1), Article e327. https://doi.org/10.1002/fes3.327

A growing world population as well as the need to enhance sustainability and health create challenges for crop breeding. To address these challenges, not only quantitative but also qualitative improvements are needed, especially regarding the macro-... Read More about Prospects to improve the nutritional quality of crops.

Out of Africa: characterising the natural variation in dynamic photosynthetic traits in a diverse population of African rice (Oryza glaberrima) (2021)
Journal Article
Cowling, S. B., Treeintong, P., Ferguson, J., Soltani, H., Swarup, R., Mayes, S., & Murchie, E. H. (2022). Out of Africa: characterising the natural variation in dynamic photosynthetic traits in a diverse population of African rice (Oryza glaberrima). Journal of Experimental Botany, 73(10), 3283–3298. https://doi.org/10.1093/jxb/erab459

African rice (Oryza glaberrima) has adapted to challenging environments and is a promising source of genetic variation. We analysed dynamics of photosynthesis and morphology in a reference set of 155 O. glaberrima accessions. Plants were grown in an... Read More about Out of Africa: characterising the natural variation in dynamic photosynthetic traits in a diverse population of African rice (Oryza glaberrima).

The rice EP3 and OsFBK1 E3 ligases alter plant architecture and flower development, and affect transcript accumulation of microRNA pathway genes and their targets (2021)
Journal Article
Borna, R. S., Murchie, E. H., Pyke, K. A., Roberts, J. A., & Gonzalez-Carranza, Z. H. (2022). The rice EP3 and OsFBK1 E3 ligases alter plant architecture and flower development, and affect transcript accumulation of microRNA pathway genes and their targets. Plant Biotechnology Journal, 20(2), 297-309. https://doi.org/10.1111/pbi.13710

ERECTA PANICLE 3 (EP3) and ORYZA SATIVA F-BOX KELCH 1 (OsFBK1) proteins share 57% and 54% sequence identity with the Arabidopsis F-box protein HAWAIIAN SKIRT (HWS). Previously we showed that EP3 is a functional orthologue of HWS. Here we demonstrate... Read More about The rice EP3 and OsFBK1 E3 ligases alter plant architecture and flower development, and affect transcript accumulation of microRNA pathway genes and their targets.

The effect of canopy architecture on the patterning of “windflecks” within a wheat canopy (2021)
Journal Article
Burgess, A. J., Durand, M., Retkute, R., Gibbs, J. A., Robson, T. M., & Murchie, E. H. (2021). The effect of canopy architecture on the patterning of “windflecks” within a wheat canopy. Plant, Cell and Environment, 44(11), 3524-3537. https://doi.org/10.1111/pce.14168

Under field conditions, plants are subject to wind-induced movement which creates fluctuations of light intensity and spectral quality reaching the leaves, defined here as windflecks. Within this study, irradiance within two contrasting wheat (Tritic... Read More about The effect of canopy architecture on the patterning of “windflecks” within a wheat canopy.

The role of photoprotection in defence of two wheat genotypes against Zymoseptoria tritici (2021)
Journal Article
Ajigboye, O. O., Jayaweera, D. P., Angelopoulou, D., Ruban, A. V., Murchie, E. H., Pastor, V., …Ray, R. V. (2021). The role of photoprotection in defence of two wheat genotypes against Zymoseptoria tritici. Plant Pathology, 70(6), 1421-1435. https://doi.org/10.1111/ppa.13392

This study provides new insights into the role of photoprotection in preformed and induced defence of two wheat genotypes with contrasting phenotypes to infection by Zymoseptoria tritici. We investigated the mechanisms of the photoprotective response... Read More about The role of photoprotection in defence of two wheat genotypes against Zymoseptoria tritici.

Interactions between nitrogen nutrition, canopy architecture and photosynthesis in rice, assessed using high-resolution 3D reconstruction (2020)
Journal Article
Burgess, A. J., Herman, T., Ali, A., & Murchie, E. H. (2021). Interactions between nitrogen nutrition, canopy architecture and photosynthesis in rice, assessed using high-resolution 3D reconstruction. in silico Plants, 3(1), https://doi.org/10.1093/insilicoplants/diaa017

Increasing nitrogen use efficiency is a key target for yield improvement programs. Here we identify features of rice canopy architecture during altered N availability and link them to photosynthetic productivity. Empirical mathematical modelling, hig... Read More about Interactions between nitrogen nutrition, canopy architecture and photosynthesis in rice, assessed using high-resolution 3D reconstruction.

Anisohydric sugar beet rapidly responds to light to optimize leaf water use efficiency utilizing numerous small stomata (2020)
Journal Article
Barratt, G. E., Sparkes, D. L., McAusland, L., & Murchie, E. H. (2021). Anisohydric sugar beet rapidly responds to light to optimize leaf water use efficiency utilizing numerous small stomata. AoB PLANTS, 13(1), Article plaa067. https://doi.org/10.1093/aobpla/plaa067

© 2020 The Author(s) 2020. Published by Oxford University Press on behalf of the Annals of Botany Company. Under conditions of high transpiration and low soil water availability, the demand for water can exceed supply causing a reduction in water pot... Read More about Anisohydric sugar beet rapidly responds to light to optimize leaf water use efficiency utilizing numerous small stomata.

Photoprotective energy dissipation is greater in the lower, not the upper, regions of a rice canopy: A 3D analysis (2020)
Journal Article
Foo, C., Burgess, A., Retkute, R., Tree-Intong, P., Ruban, A., & Murchie, E. (2020). Photoprotective energy dissipation is greater in the lower, not the upper, regions of a rice canopy: A 3D analysis. Journal of Experimental Botany, 71(22), 7382-7392. https://doi.org/10.1093/jxb/eraa411

© 2020 The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology. High light intensities raise photosynthetic and plant growth rates but can cause damage to the photosynthetic machinery. The likelihood... Read More about Photoprotective energy dissipation is greater in the lower, not the upper, regions of a rice canopy: A 3D analysis.

Quantifying the influence of water deficit on root and shoot growth in wheat using X-ray Computed Tomography (2020)
Journal Article
Khalil, A. M., Murchie, E. H., & Mooney, S. J. (2020). Quantifying the influence of water deficit on root and shoot growth in wheat using X-ray Computed Tomography. AoB PLANTS, 12(5), https://doi.org/10.1093/aobpla/plaa036

© 2020 The Author(s) 2020. Published by Oxford University Press on behalf of the Annals of Botany Company. The potential increased frequency and severity of drought associated with environmental change represents a significant obstacle to efforts aim... Read More about Quantifying the influence of water deficit on root and shoot growth in wheat using X-ray Computed Tomography.

Variation in key leaf photosynthetic traits across wheat wild relatives is accession dependent not species dependent (2020)
Journal Article
McAusland, L., Vialet‐Chabrand, S., Jauregui, I., Burridge, A., Hubbart-Edwards, S., Fryer, M. J., …Murchie, E. H. (2020). Variation in key leaf photosynthetic traits across wheat wild relatives is accession dependent not species dependent. New Phytologist, 228(6), 1767-1780. https://doi.org/10.1111/nph.16832

©2020 The Authors. New Phytologist ©2020 New Phytologist Trust The wild relatives of modern wheat represent an underutilized source of genetic and phenotypic diversity and are of interest in breeding owing to their wide adaptation to diverse environm... Read More about Variation in key leaf photosynthetic traits across wheat wild relatives is accession dependent not species dependent.

Growth Spectrum Complexity Dictates Aromatic Intensity in Coriander (Coriandrum sativum L.) (2020)
Journal Article
Smith-Herman, H. L., McAusland, L., Lim, M., Morris, D. E., Smith, H. L., Mohammed, U., …Murchie, E. H. (2020). Growth Spectrum Complexity Dictates Aromatic Intensity in Coriander (Coriandrum sativum L.). Frontiers in Plant Science, 11, Article 462. https://doi.org/10.3389/fpls.2020.00462

© Copyright © 2020 McAusland, Lim, Morris, Smith-Herman, Mohammed, Hayes-Gill, Crowe, Fisk and Murchie. Advancements in availability and specificity of light-emitting diodes (LEDs) have facilitated trait modification of high-value edible herbs and ve... Read More about Growth Spectrum Complexity Dictates Aromatic Intensity in Coriander (Coriandrum sativum L.).

Nitrogen partitioning and remobilization in relation to leaf senescence, grain yield and protein concentration in Indian wheat cultivars (2020)
Journal Article
Nehe, A. S., Misra, S., Murchie, E. H., Chinnathambi, K., Singh Tyagi, B., & Foulkes, M. J. (2020). Nitrogen partitioning and remobilization in relation to leaf senescence, grain yield and protein concentration in Indian wheat cultivars. Field Crops Research, 251, https://doi.org/10.1016/j.fcr.2020.107778

© 2020 The Authors Nitrogen (N) fertilizer represents a significant cost for the grower and may also have environmental impacts through nitrate leaching and N2O (a greenhouse gas) emissions associated with denitrification. The objectives of this stud... Read More about Nitrogen partitioning and remobilization in relation to leaf senescence, grain yield and protein concentration in Indian wheat cultivars.

Author Correction: Rice plants overexpressing OsEPF1 show reduced stomatal density and increased root cortical aerenchyma formation (Scientific Reports, (2019), 9, 1, (5584), 10.1038/s41598-019-41922-7) (2019)
Journal Article
Mohammed, U., Caine, R. S., Atkinson, J. A., Harrison, E. L., Wells, D., Chater, C. C., …Murchie, E. H. (2019). Author Correction: Rice plants overexpressing OsEPF1 show reduced stomatal density and increased root cortical aerenchyma formation (Scientific Reports, (2019), 9, 1, (5584), 10.1038/s41598-019-41922-7). Scientific Reports, 9(1), Article 14827. https://doi.org/10.1038/s41598-019-51402-7

© 2019, The Author(s). The Acknowledgements section in this Article is incomplete. “This work was supported by the Biotechnology and Biological Sciences Research Council [grant numbers BB/ R004633/1, BB/N021061/1, BB/N013646/1]. JAA and DMW receive f... Read More about Author Correction: Rice plants overexpressing OsEPF1 show reduced stomatal density and increased root cortical aerenchyma formation (Scientific Reports, (2019), 9, 1, (5584), 10.1038/s41598-019-41922-7).

High throughput procedure utilising chlorophyll fluorescence imaging to phenotype dynamic photosynthesis and photoprotection in leaves under controlled gaseous conditions (2019)
Journal Article
McAusland, L., Murchie, E., & Atkinson, J. (2019). High throughput procedure utilising chlorophyll fluorescence imaging to phenotype dynamic photosynthesis and photoprotection in leaves under controlled gaseous conditions. Plant Methods, 15, https://doi.org/10.1186/s13007-019-0485-x

© 2019 The Author(s). Background: As yields of major crops such as wheat (T. aestivum) have begun to plateau in recent years, there is growing pressure to efficiently phenotype large populations for traits associated with genetic advancement in yield... Read More about High throughput procedure utilising chlorophyll fluorescence imaging to phenotype dynamic photosynthesis and photoprotection in leaves under controlled gaseous conditions.

Recovering Wind-induced Plant motion in Dense Field Environments via Deep Learning and Multiple Object Tracking (2019)
Journal Article
Gibbs, J. A., Burgess, A. J., Pound, M. P., Pridmore, T. P., & Murchie, E. H. (2019). Recovering Wind-induced Plant motion in Dense Field Environments via Deep Learning and Multiple Object Tracking. Plant Physiology, 181, 28-42. https://doi.org/10.1104/pp.19.00141

Understanding the relationships between local environmental conditions and plant structure and function is critical for both fundamental science and for improving the performance of crops in field settings. Wind-induced plant motion is important in m... Read More about Recovering Wind-induced Plant motion in Dense Field Environments via Deep Learning and Multiple Object Tracking.

Active Vision and Surface Reconstruction for 3D Plant Shoot Modelling (2019)
Journal Article
Gibbs, J., French, A., Murchie, E., Wells, D., Pound, M., & Pridmore, T. (2020). Active Vision and Surface Reconstruction for 3D Plant Shoot Modelling. IEEE/ACM Transactions on Computational Biology and Bioinformatics, 17(6), 1907-1917. https://doi.org/10.1109/TCBB.2019.2896908

Plant phenotyping is the quantitative description of a plant’s physiological, biochemical and anatomical status which can be used in trait selection and helps to provide mechanisms to link underlying genetics with yield. Here, an active vision- based... Read More about Active Vision and Surface Reconstruction for 3D Plant Shoot Modelling.

Rice plants overexpressing OsEPF1 show reduced stomatal density and increased root cortical aerenchyma formation (2019)
Journal Article
Mohammed, U., Caine, R. S., Atkinson, J. A., Harrison, E. L., Wells, D., Chater, C. C., …Murchie, E. H. (2019). Rice plants overexpressing OsEPF1 show reduced stomatal density and increased root cortical aerenchyma formation. Scientific Reports, 9(1), Article 5584. https://doi.org/10.1038/s41598-019-41922-7

Stomata are adjustable pores in the aerial epidermis of plants. The role of stomata is usually described in terms of the trade-off between CO2 uptake and water loss. Little consideration has been given to their interaction with below-ground developme... Read More about Rice plants overexpressing OsEPF1 show reduced stomatal density and increased root cortical aerenchyma formation.

A canopy conundrum: can wind-induced movement help to increase crop productivity by relieving photosynthetic limitations? (2019)
Journal Article
Burgess, A. J., Gibbs, J. A., & Murchie, E. H. (2019). A canopy conundrum: can wind-induced movement help to increase crop productivity by relieving photosynthetic limitations?. Journal of Experimental Botany, 70(9), 2371-2380. https://doi.org/10.1093/jxb/ery424

Wind-induced movement is a ubiquitous occurrence for all plants grown in natural or agricultural settings and in the context of high, damaging wind speeds it has been well studied. However, the impact of lower wind speeds (that do not cause any damag... Read More about A canopy conundrum: can wind-induced movement help to increase crop productivity by relieving photosynthetic limitations?.

Plant phenotyping: an active vision cell for three-dimensional plant shoot reconstruction (2018)
Journal Article
Gibbs, J., Pound, M., French, A. P., Wells, D. M., Murchie, E., & Pridmore, T. (2018). Plant phenotyping: an active vision cell for three-dimensional plant shoot reconstruction. Plant Physiology, 178(2), 524-534. https://doi.org/10.1104/pp.18.00664

© 2018 American Society of Plant Biologists. All rights reserved. Three-dimensional (3D) computer-generated models of plants are urgently needed to support both phenotyping and simulation-based studies such as photosynthesis modeling. However, the co... Read More about Plant phenotyping: an active vision cell for three-dimensional plant shoot reconstruction.

Rice with reduced stomatal density conserves water and has improved drought tolerance under future climate conditions (2018)
Journal Article
Caine, R. S., Yin, X., Sloan, J., Harrison, E. L., Mohammed, U., Fulton, T., …Gray, J. E. (2019). Rice with reduced stomatal density conserves water and has improved drought tolerance under future climate conditions. New Phytologist, 221(1), 371-384. https://doi.org/10.1111/nph.15344

Much of humanity relies on rice (Oryza sativa) as a food source, but cultivation is water intensive and the crop is vulnerable to drought and high temperatures. Under climate change, periods of reduced water availability and high temperature are expe... Read More about Rice with reduced stomatal density conserves water and has improved drought tolerance under future climate conditions.

Chlorophyll fluorescence on the fast timescale (2018)
Book Chapter
Ajigboye, O. O., Ray, R. V., & Murchie, E. H. (2018). Chlorophyll fluorescence on the fast timescale. In S. Covshoff (Ed.), Photosynthesis: Methods and Protocols, 95-104. Springer Publishing Company. doi:10.1007/978-1-4939-7786-4_6

Chlorophyll fluorescence is a rapid and non-invasive tool used for probing the activity of photosynthesis that can be used in vivo and in the field. It is highly relevant to the demands of high-throughput crop phenotyping and can be automated or manu... Read More about Chlorophyll fluorescence on the fast timescale.

Genetic variation in N-use efficiency and associated traits in Indian wheat cultivars (2018)
Journal Article
Nehe⁠, A., Misra, S., Murchie, E., Chinnathambi, K., & Foulkes⁠, J. (2018). Genetic variation in N-use efficiency and associated traits in Indian wheat cultivars. Field Crops Research, 225, https://doi.org/10.1016/j.fcr.2018.06.002

Nitrogen (N) fertilizer represents a significant cost for the grower and may also have environmental impacts through nitrate leaching and N⁠2O (a greenhouse gas) emissions associated with denitrification. The objectives of this study were to quantify... Read More about Genetic variation in N-use efficiency and associated traits in Indian wheat cultivars.

Measuring the dynamic photosynthome (2018)
Journal Article
Murchie, E. H., Kefauver, S., Araus, J. L., Muller, O., Rascher, U., Flood, P. J., & Lawson, T. (in press). Measuring the dynamic photosynthome. Annals of Botany, https://doi.org/10.1093/aob/mcy087

Background: Photosynthesis underpins plant productivity and yet is notoriously sensitive to small changes inenvironmental conditions, meaning that quantitation in nature across different time scales is not straightforward. The ‘dynamic’ changes in ph... Read More about Measuring the dynamic photosynthome.

Three-dimensional plant architecture and sunlit-shaded patterns: a stochastic model of light dynamics in canopies (2018)
Journal Article
Retkute, R., Townsend, A. J., Murchie, E. H., Jensen, O. E., & Preston, S. P. (2018). Three-dimensional plant architecture and sunlit-shaded patterns: a stochastic model of light dynamics in canopies. Annals of Botany, 122(2), 291–302. https://doi.org/10.1093/aob/mcy067

Background and Aims Diurnal changes in solar position and intensity combined with the structural complexity of plant architecture result in highly variable and dynamic light patterns within the plant canopy. This affects productivity through the comp... Read More about Three-dimensional plant architecture and sunlit-shaded patterns: a stochastic model of light dynamics in canopies.

Enhanced thylakoid photoprotection can increase yield and canopy radiation use efficiency in rice (2018)
Journal Article
Hubbart, S., Smillie, I. R., Heatley, M., Swarup, R., Foo, C. C., Zhao, L., & Murchie, E. H. (2018). Enhanced thylakoid photoprotection can increase yield and canopy radiation use efficiency in rice. Communications Biology, 1, Article 22. https://doi.org/10.1038/s42003-018-0026-6

High sunlight can raise plant growth rates but can potentially cause cellular damage. The likelihood of deleterious effects is lowered by a sophisticated set of photoprotective mechanisms, one of the most important being the controlled dissipation of... Read More about Enhanced thylakoid photoprotection can increase yield and canopy radiation use efficiency in rice.

Three-dimensional plant architecture and sunlit-shaded patterns: a stochastic model of light dynamics in canopies (2018)
Working Paper
Retkute, R., Townsend, A. J., Murchie, E. H., Jensen, O. E., & Preston, S. P. Three-dimensional plant architecture and sunlit-shaded patterns: a stochastic model of light dynamics in canopies

Background and Aims Diurnal changes in solar position and intensity combined with the structural complexity of plant architecture result in highly variable and dynamic light patterns within the plant canopy. This affects productivity through the comp... Read More about Three-dimensional plant architecture and sunlit-shaded patterns: a stochastic model of light dynamics in canopies.

Suboptimal acclimation of photosynthesis to light in wheat canopies (2018)
Journal Article
Townsend, A. J., Retkute, R., Chinnathambi, K., Randall, J. W., Foulkes, J. F., Carmo-Silva, E., & Murchie, E. H. (in press). Suboptimal acclimation of photosynthesis to light in wheat canopies. Plant Physiology, 176(2), https://doi.org/10.1104/pp.17.01213

Photosynthetic acclimation (photoacclimation) is the process whereby leaves alter their morphology and/or biochemistry to optimise photosynthetic efficiency and productivity according to long-term changes in the light environment. Three-dimensional (... Read More about Suboptimal acclimation of photosynthesis to light in wheat canopies.

Increasing leaf vein density via mutagenesis in rice results in an enhanced rate of photosynthesis, smaller cell sizes and can reduce interveinal mesophyll cell number (2017)
Journal Article
Feldman, A. B., Leung, H., Baraoidan, M., Elmido-Mabilangan, A., Canicosa, I., Quick, W. P., …Murchie, E. H. (2017). Increasing leaf vein density via mutagenesis in rice results in an enhanced rate of photosynthesis, smaller cell sizes and can reduce interveinal mesophyll cell number. Frontiers in Plant Science, 8, Article 1883. https://doi.org/10.3389/fpls.2017.01883

Improvements to leaf photosynthetic rates of crops can be achieved by targeted manipulation of individual component processes, such as the activity and properties of RuBisCO or photoprotection. This study shows that simple forward genetic screens of... Read More about Increasing leaf vein density via mutagenesis in rice results in an enhanced rate of photosynthesis, smaller cell sizes and can reduce interveinal mesophyll cell number.

Deep machine learning provides state-of-the-art performance in image-based plant phenotyping (2017)
Journal Article
Pound, M. P., Atkinson, J. A., Townsend, A. J., Wilson, M. H., Griffiths, M., Jackson, A. S., …French, A. P. (2017). Deep machine learning provides state-of-the-art performance in image-based plant phenotyping. GigaScience, 6(10), Article gix083. https://doi.org/10.1093/gigascience/gix083

© The Author 2017. In plant phenotyping, it has become important to be able to measure many features on large image sets in order to aid genetic discovery. The size of the datasets, now often captured robotically, often precludes manual inspection, h... Read More about Deep machine learning provides state-of-the-art performance in image-based plant phenotyping.

Safety conscious or living dangerously: what is the ‘right’ level of plant photoprotection for fitness and productivity? (2017)
Journal Article
Murchie, E. H. (2017). Safety conscious or living dangerously: what is the ‘right’ level of plant photoprotection for fitness and productivity?. Plant, Cell and Environment, 40(8), https://doi.org/10.1111/pce.12965

Due to their sessile nature, plants could be perceived to be relatively slow and rather un-reactive. However, a plant scientist will tell you that the inability to run away (tropism notwithstanding) actually demands a highly sophisticated physiologic... Read More about Safety conscious or living dangerously: what is the ‘right’ level of plant photoprotection for fitness and productivity?.

Exploring Relationships between Canopy Architecture, Light Distribution, and Photosynthesis in Contrasting Rice Genotypes Using 3D Canopy Reconstruction (2017)
Journal Article
Burgess, A. J., Retkute, R., Herman, T., & Murchie, E. H. (2017). Exploring Relationships between Canopy Architecture, Light Distribution, and Photosynthesis in Contrasting Rice Genotypes Using 3D Canopy Reconstruction. Frontiers in Plant Science, 8, Article 734. https://doi.org/10.3389/fpls.2017.00734

The arrangement of leaf material is critical in determining the light environment, and subsequently the photosynthetic productivity of complex crop canopies. However, links between specific canopy architectural traits and photosynthetic productivity... Read More about Exploring Relationships between Canopy Architecture, Light Distribution, and Photosynthesis in Contrasting Rice Genotypes Using 3D Canopy Reconstruction.

Image-based 3D canopy reconstruction to determine potential productivity in complex multi-species crop systems (2017)
Journal Article
Burgess, A. J., Retkute, R., Pound, M. P., Mayes, S., & Murchie, E. H. (2017). Image-based 3D canopy reconstruction to determine potential productivity in complex multi-species crop systems. Annals of Botany, 119(4), 517-532. https://doi.org/10.1093/aob/mcw242

Background and Aims: Intercropping systems contain two or more species simultaneously in close proximity. Due to contrasting features of the component crops, quantification of the light environment and photosynthetic productivity is extremely difficu... Read More about Image-based 3D canopy reconstruction to determine potential productivity in complex multi-species crop systems.

Altered gene expression by sedaxane increases PSII efficiency, photosynthesis and growth and improves tolerance to drought in wheat seedlings (2016)
Journal Article
Ajigboye, O. O., Lu, C., Murchie, E. H., Schlatter, C., Swart, G., & Ray, R. V. (2017). Altered gene expression by sedaxane increases PSII efficiency, photosynthesis and growth and improves tolerance to drought in wheat seedlings. Pesticide Biochemistry and Physiology, 137, 49-61. https://doi.org/10.1016/j.pestbp.2016.09.008

Succinate dehydrogenase inhibitor (SDHI) fungicides have been shown to increase PSII efficiency and photosynthesis under drought stress in the absence of disease to enhance the biomass and yield of winter wheat. However, the molecular mechanism of im... Read More about Altered gene expression by sedaxane increases PSII efficiency, photosynthesis and growth and improves tolerance to drought in wheat seedlings.

The 4-Dimensional Plant: Effects of Wind-Induced Canopy Movement on Light Fluctuations and Photosynthesis (2016)
Journal Article
Burgess, A. J., Retkute, R., Preston, S. P., Jensen, O. E., Pound, M. P., Pridmore, T. P., & Murchie, E. H. (2016). The 4-Dimensional Plant: Effects of Wind-Induced Canopy Movement on Light Fluctuations and Photosynthesis. Frontiers in Plant Science, 7(1392), https://doi.org/10.3389/fpls.2016.01392

Physical perturbation of a plant canopy brought about by wind is a ubiquitous phenomenon and yet its biological importance has often been overlooked. This is partly due to the complexity of the issue at hand: wind-induced movement (or mechanical exci... Read More about The 4-Dimensional Plant: Effects of Wind-Induced Canopy Movement on Light Fluctuations and Photosynthesis.

Approaches to three-dimensional reconstruction of plant shoot topology and geometry (2016)
Journal Article
Gibbs, J., Pound, M. P., French, A. P., Wells, D. M., Murchie, E. H., & Pridmore, T. P. (2016). Approaches to three-dimensional reconstruction of plant shoot topology and geometry. Functional Plant Biology, 44(1), 62-75. https://doi.org/10.1071/FP16167

There are currently 805 million people classified as chronically undernourished, and yet the World’s population is still increasing. At the same time, global warming is causing more frequent and severe flooding and drought, thus destroying crops and... Read More about Approaches to three-dimensional reconstruction of plant shoot topology and geometry.

Deep Machine Learning provides state-of-the-art performance in image-based plant phenotyping (2016)
Working Paper
Pound, M. P., Burgess, A. J., Wilson, M. H., Atkinson, J. A., Griffiths, M., Jackson, A. S., …French, A. P. Deep Machine Learning provides state-of-the-art performance in image-based plant phenotyping

Deep learning is an emerging field that promises unparalleled results on many data analysis problems. We show the success offered by such techniques when applied to the challenging problem of image-based plant phenotyping, and demonstrate state-of-th... Read More about Deep Machine Learning provides state-of-the-art performance in image-based plant phenotyping.

A patch-based approach to 3D plant shoot phenotyping (2016)
Journal Article
Pound, M. P., French, A. P., Fozard, J. A., Murchie, E. H., & Pridmore, T. P. (2016). A patch-based approach to 3D plant shoot phenotyping. Machine Vision and Applications, 27(5), 767-779. https://doi.org/10.1007/s00138-016-0756-8

The emerging discipline of plant phenomics aims to measure key plant characteristics, or traits, though as yet the set of plant traits that should be measured by automated systems is not well defined. Methods capable of recovering generic representat... Read More about A patch-based approach to 3D plant shoot phenotyping.

Chlorophyll fluorescence parameters allow the rapid detection and differentiation of plant responses in three different wheat pathosystems (2016)
Journal Article
Ajigboye, O. O., Bousquet, L., Murchie, E. H., & Ray, R. V. (2016). Chlorophyll fluorescence parameters allow the rapid detection and differentiation of plant responses in three different wheat pathosystems. Functional Plant Biology, 43(4), 356-369. https://doi.org/10.1071/FP15280

The present study was undertaken to identify chlorophyll fluorescence (CF) parameters that can quantify changes in PSII associated with plant responses in three different wheat pathosystems of foliar, stem-base and ear diseases. The pathosystems incl... Read More about Chlorophyll fluorescence parameters allow the rapid detection and differentiation of plant responses in three different wheat pathosystems.

Three-dimensional reconstruction of plant shoots from multiple images using an active vision system (2015)
Journal Article
Gibbs, J., Pound, M. P., Wells, D. M., Murchie, E. H., French, A. P., & Pridmore, T. P. (2015). Three-dimensional reconstruction of plant shoots from multiple images using an active vision system

The reconstruction of 3D models of plant shoots is a challenging problem central to the emerging discipline of plant phenomics – the quantitative measurement of plant structure and function. Current approaches are, however, often limited by the use o... Read More about Three-dimensional reconstruction of plant shoots from multiple images using an active vision system.

High-Resolution Three-Dimensional Structural Data Quantify the Impact of Photoinhibition on Long-Term Carbon Gain in Wheat Canopies in the Field (2015)
Journal Article
Burgess, A. J., Retkute, R., Pound, M. P., Foulkes, J., Preston, S. P., Jensen, O. E., …Murchie, E. H. (2015). High-Resolution Three-Dimensional Structural Data Quantify the Impact of Photoinhibition on Long-Term Carbon Gain in Wheat Canopies in the Field. Plant Physiology, 169(2), 1192-1204. https://doi.org/10.1104/pp.15.00722

Photoinhibition reduces photosynthetic productivity; however, it is difficult to quantify accurately in complex canopies partly because of a lack of high-resolution structural data on plant canopy architecture, which determines complex fluctuations o... Read More about High-Resolution Three-Dimensional Structural Data Quantify the Impact of Photoinhibition on Long-Term Carbon Gain in Wheat Canopies in the Field.

Exploiting heterogeneous environments: does photosynthetic acclimation optimize carbon gain in fluctuating light? (2015)
Journal Article
Retkute, R., Smith-Unna, S. E., Smith, R. W., Burgess, A. J., Jensen, O. E., Johnson, G. N., …Murchie, E. H. (2015). Exploiting heterogeneous environments: does photosynthetic acclimation optimize carbon gain in fluctuating light?. Journal of Experimental Botany, 66(9), 2437-2447. https://doi.org/10.1093/jxb/erv055

Plants have evolved complex mechanisms to balance the efficient use of absorbed light energy in photosynthesis with the capacity to use that energy in assimilation, so avoiding potential damage from excess light. This is particularly important under... Read More about Exploiting heterogeneous environments: does photosynthetic acclimation optimize carbon gain in fluctuating light?.

Leaf energy balance modelling as a tool to infer habitat preference in the early angiosperms (2015)
Journal Article
Lee, A. P., Upchurch, G., Murchie, E. H., & Lomax, B. H. (2015). Leaf energy balance modelling as a tool to infer habitat preference in the early angiosperms. Proceedings of the Royal Society B: Biological Sciences, 282(1803), https://doi.org/10.1098/rspb.2014.3052

Despite more than a century of research, some key aspects of habitat preference and ecology of the earliest angiosperms remain poorly constrained. Proposed growth ecology has varied from opportunistic weedy species growing in full sun to slow-growing... Read More about Leaf energy balance modelling as a tool to infer habitat preference in the early angiosperms.

Adaptation for climate-sensitive crops using agroforestry: case studies for coffee and rice (2015)
Book Chapter
Lin, B., Murchie, E., & Burgess, A. (2015). Adaptation for climate-sensitive crops using agroforestry: case studies for coffee and rice. In C. K. Ong, C. R. Black, & J. Wilson (Eds.), Tree-crop interactions: agroforestry in a changing climate (278-308). CAB International. https://doi.org/10.1079/9781780645117.0278

This chapter examines how agroforestry systems can provide an effective adaptive strategy for agricultural production in the face of climate change and analyses its effectiveness using case studies for two important commercial crops produced by small... Read More about Adaptation for climate-sensitive crops using agroforestry: case studies for coffee and rice.

Decreased photosynthesis in the erect panicle 3 (ep3) mutant of rice is associated with reduced stomatal conductance and attenuated guard cell development (2015)
Journal Article
Yu, H., Murchie, E. H., Gonzalez-Carranza, Z. H., Pyke, K. A., & Roberts, J. A. (2015). Decreased photosynthesis in the erect panicle 3 (ep3) mutant of rice is associated with reduced stomatal conductance and attenuated guard cell development. Journal of Experimental Botany, 66(5), 1543-1552. https://doi.org/10.1093/jxb/eru525

The ERECT PANICLE 3 gene of rice encodes a peptide that exhibits more than 50% sequence identity with the Arabidopsis F-box protein HAWAIIAN SKIRT (HWS). Ectopic expression of the Os02g15950 coding sequence, driven by the HWS (At3g61950) promoter, re... Read More about Decreased photosynthesis in the erect panicle 3 (ep3) mutant of rice is associated with reduced stomatal conductance and attenuated guard cell development.

Automated recovery of 3D models of plant shoots from multiple colour images (2014)
Journal Article
Pound, M. P., French, A. P., Murchie, E. H., & Pridmore, T. P. (2014). Automated recovery of 3D models of plant shoots from multiple colour images. Plant Physiology, 166(4), https://doi.org/10.1104/pp.114.248971

Increased adoption of the systems approach to biological research has focussed attention on the use of quantitative models of biological objects. This includes a need for realistic 3D representations of plant shoots for quantification and modelling.... Read More about Automated recovery of 3D models of plant shoots from multiple colour images.

Foliar application of isopyrazam and epoxiconazole improves photosystem II efficiency, biomass and yield in winter wheat (2014)
Journal Article
Ajigboye, O. O., Murchie, E., & Ray, R. V. (2014). Foliar application of isopyrazam and epoxiconazole improves photosystem II efficiency, biomass and yield in winter wheat. Pesticide Biochemistry and Physiology, 114(1), 52-60. https://doi.org/10.1016/j.pestbp.2014.07.003

A range of fungicides including epoxiconazole, azoxystrobin and isopyrazam, were applied to winter wheat at GS 31/32 to determine their effect on photosystem II (PSII) efficiency, biomass and yield. Frequent, repeated measurements of chlorophyll fluo... Read More about Foliar application of isopyrazam and epoxiconazole improves photosystem II efficiency, biomass and yield in winter wheat.

Increasing leaf vein density by mutagenesis: laying the foundations for C4 rice (2014)
Journal Article
Feldman, A. B., Murchie, E. H., Leung, H., Baraoidan, M., Coe, R., Yu, S., …Quick, W. P. (2014). Increasing leaf vein density by mutagenesis: laying the foundations for C4 rice. PLoS ONE, 9(4), 1-9. https://doi.org/10.1371/journal.pone.0094947

A high leaf vein density is both an essential feature of C4 photosynthesis and a foundation trait to C4 evolution, ensuring the optimal proportion and proximity of mesophyll and bundle sheath cells for permitting the rapid exchange of photosynthates.... Read More about Increasing leaf vein density by mutagenesis: laying the foundations for C4 rice.