A5084310025- Crop Yield and Soil Fertility
- Wheat and Barley Genetics and Pathology
- Genetics and Plant Breeding
- Plant responses to elevated CO2
- Plant nutrient uptake and metabolism
- Greenhouse Technology and Climate Control
- Plant Water Relations and Carbon Dynamics
- Remote Sensing in Agriculture
- Genetic Mapping and Diversity in Plants and Animals
- Rice Cultivation and Yield Improvement
- Soil Carbon and Nitrogen Dynamics
- Atmospheric chemistry and aerosols
- Leaf Properties and Growth Measurement
- Plant Molecular Biology Research
- Composting and Vermicomposting Techniques
- Horticultural and Viticultural Research
- Coastal Management and Development
- Banana Cultivation and Research
- Climate change impacts on agriculture
- Bioenergy crop production and management
- Legume Nitrogen Fixing Symbiosis
- Plant Micronutrient Interactions and Effects
- Water Quality Monitoring Technologies
- Water Quality Monitoring and Analysis
- Spectroscopy and Chemometric Analyses
ARC Centre of Excellence in Plant Energy Biology
2019-2024
Australian National University
2019-2024
University of Lincoln
2020-2024
University of Nottingham
2009-2024
University of Newcastle Australia
2021
Our objective was to investigate the determinants of genetic variation in N accumulation, partitioning and remobilization grain post-flowering associations with flag-leaf senescence, yield N% 16 wheat cultivars grown under high (HN) low (LN) conditions UK France. Overall, ranged leaf lamina accumulation at anthesis from 5.32 8.03 g m−2 HN 2.69 3.62 LN, for stem-and leaf-sheath 5.45 7.25 2.55 3.41 LN (P < 0.001). Cultivars index (proportion above-ground crop component) 0.37 0.42 0.34 0.40 LN;...
Seedling root traits of wheat (Triticum aestivum L.) have been shown to be important for efficient establishment and linked mature plant such as height yield. A phenotyping pipeline, consisting a germination paper-based screen combined with image segmentation analysis software, was developed used characterize seedling in 94 doubled haploid progeny derived from cross between the winter cultivars Rialto Savannah. Field experiments were conducted measure height, grain yield, nitrogen (N) uptake...
Abstract Harnessing genetic diversity in major staple crops through the development of new breeding capabilities is essential to ensure food security 1 . Here we examined and phenotypic A. E. Watkins landrace collection 2 bread wheat ( Triticum aestivum ), a global cereal, by whole-genome re-sequencing 827 landraces 208 modern cultivars in-depth field evaluation spanning decade. We found that are derived from two seven ancestral groups maintain very long-range haplotype integrity. The...
The genetic variability of the duration leaf senescence during grain filling has been shown to affect both carbon and nitrogen acquisition.In particular, maintaining green leaves possibly leads increased yield, but its associated effect on protein concentration not studied.The aim this study was dissect factors contributing correlations observed at phenotypic level between filling, concentration, yield in winter wheat.With view, an analysis quantitative trait locus (QTL) co-locations for...
Knowledge of the changes in physiological traits associated with genetic gains yield potential is essential to improve understanding yield-limiting factors and inform future breeding strategies. Recent advances wheat ( Triticum aestivum L.) are reviewed. Genetic worldwide have been both positively correlated harvest index (HI) above-ground dry matter (AGDM), more frequent reports progress biomass since about 1990. It concluded that an important aim will be increase production while...
Our objective was to investigate the physiological basis of grain number per square meter (GN) and yield in two CIMMYT spring wheat ( Triticum aestivum L.) lines large‐spike phenotype (LSP), LSP1 LSP2, one check cultivar, Bacanora, when grown as single plants growth room at normal sowing densities high radiation, irrigated field conditions. In room, rachis length, spikelets spike, grains spike were increased by 14 39%, 12 31% 8 19%, respectively, compared Bacanora. Increased spikelet...
Greater availability of leaf dark respiration (Rdark ) data could facilitate breeding efforts to raise crop yield and improve global carbon cycle modelling. However, the Rdark is limited because it cumbersome, time consuming, or destructive measure. We report a non-destructive high-throughput method estimating from hyperspectral reflectance that was derived measured by oxygen consumption technique. generated large dataset for wheat (1380 samples) 90 genotypes, multiple growth stages,...
Abstract Purpose of Review The paper discusses how robotics and autonomous systems (RAS) are being deployed to decarbonise agricultural production. climate emergency cannot be ameliorated without dramatic reductions in greenhouse gas emissions across the agri-food sector. This review outlines transformational role for system considers where research focus might prioritised. Recent Findings Agri-robotic provide multiple emerging opportunities that facilitate transition towards net zero...
Abstract Vertical leaf nitrogen (N) gradient within a canopy is classically considered as key adaptation to the local light environment that would tend maximize photosynthesis. We studied vertical N with respect for wheat (Triticum aestivum) canopies aims of quantifying its modulation by crop status and genetic variability analyzing ecophysiological determinants. The distribution was analyzed at anthesis 16 cultivars grown in field two consecutive seasons under levels N. extinction...
Water availability is one of the most important limiting factors in agriculture worldwide, particularly arid and semiarid regions. Six spring wheat genotypes, i.e. three UK cultivars Cadenza, Paragon, Xi-19 synthetic-derived lines L-22, L-24, L-38, were grown a phytotron under well-watered (until 40 days after sowing) drought conditions. The aim study was to evaluate traits related photosynthetic capacity (net photosynthesis rate, stomatal conductance, internal CO2 concentration,...
Abstract Climate change and future warming will significantly affect crop yield. The capacity of crops to dynamically adjust physiological processes (i.e., acclimate) might improve overall performance. Understanding quantifying the degree acclimation in field could ensure better parameterization Earth System models predictions We hypothesized that for field‐grown wheat, when measured at a common temperature (25°C), grown under warmer conditions would exhibit acclimation, leading enhanced...
High temperature stress inhibits photosynthesis and threatens wheat production. One measure of photosynthetic heat tolerance is Tcrit - the critical at which incipient damage to photosystem II (PSII) occurs. This trait could be improved in by exploiting genetic variation genotype-by-environment interactions (GEI). Flag leaf 54 genotypes was evaluated 12 thermal environments over 3 years Australia, analysed using linear mixed models assess GEI effects. Nine had significant effects highly...
Root architecture impacts water and nutrient uptake efficiency. Identifying exactly which root architectural properties influence these agronomic traits can prove challenging. In this paper, approximately 300 wheat (Triticum aestivum) plants were divided into four groups using two binary classifications, high versus low nitrogen efficiency (NUpE), nitrate in the growth medium. The system for each plant was captured 16 quantitative variables. multivariate analysis tool, linear discriminant...
Abstract Breeding crops resilient to climate change is urgently needed help ensure food security. A key challenge harness genetic diversity optimise adaptation, yield, stress resilience and nutrition. We examined the phenotypic of A.E. Watkins landrace collection bread wheat ( Triticum aestivum ), a major global cereal, through whole-genome re-sequencing (827 landraces 208 modern cultivars) in-depth field evaluation spanning decade. discovered that cultivars are derived from just two seven...
Abstract An approach to improving radiation use efficiency (RUE) in wheat is screen for variability rates of leaf respiration darkness (Rdark). We used a high-throughput system quantify variation Rdark among diverse range spring genotypes (301 lines) grown two countries (Mexico and Australia) seasons (2017 2018), doing so the relative importance genotype (G) environment (E) influencing variations Rdark. Through careful design, residual (unexplained) represented &lt;10% total observed. Up...