A5010875896- Plant Water Relations and Carbon Dynamics
- Forest ecology and management
- Horticultural and Viticultural Research
- Soil Carbon and Nitrogen Dynamics
- Fermentation and Sensory Analysis
- Bioenergy crop production and management
- Climate variability and models
- Mycotoxins in Agriculture and Food
- Plant responses to elevated CO2
- Ecology and Vegetation Dynamics Studies
- Plant Disease Resistance and Genetics
- Wheat and Barley Genetics and Pathology
- Biochemical and biochemical processes
- Fungal Plant Pathogen Control
- Remote Sensing and LiDAR Applications
- Plant Micronutrient Interactions and Effects
- Agroforestry and silvopastoral systems
- Wine Industry and Tourism
- Atmospheric chemistry and aerosols
- Plant Pathogens and Resistance
- Plant Parasitism and Resistance
- Geophysics and Gravity Measurements
- Soil Moisture and Remote Sensing
- Plant Pathogens and Fungal Diseases
- Ionosphere and magnetosphere dynamics
Curtin University
2015-2024
Ethiopian Institute of Agricultural Research
2009-2021
CO2CRC
2005-2007
New South Wales Department of Primary Industries
2005-2006
Plant Industry
2002
Commonwealth Scientific and Industrial Research Organisation
2002
University of Illinois Chicago
2000-2001
New Mexico State University
2000
Lincoln University
1998
Abstract This study evaluates the dynamics of soil organic carbon (SOC) under perennial crops across globe. It quantifies effect change from annual to and subsequent temporal changes in SOC stocks during crop cycle. also presents an empirical model estimate content as a function time, land use, site characteristics. We used harmonized global dataset containing paired‐comparison values different types (perennial grasses, palms, woody plants) with end uses: bioenergy, food, other bio‐products,...
Abstract Accurate ground‐based estimation of the carbon stored in terrestrial ecosystems is critical to quantifying global budget. Allometric models provide cost‐effective methods for biomass prediction. But do such vary with ecoregion or plant functional type? We compiled 15 054 measurements individual tree shrub from across Australia examine generality allometric above‐ground This provided a robust case study because includes ecoregions ranging arid shrublands tropical rainforests, and has...
Climate is a strong modulator of berry composition. Accordingly, the projected change in climate expected to impact on composition berries and resultant wines. However, direction extent fruit winegrape cultivars are not fully known. This study utilised gradient along 700 km transect, covering all wine regions Western Australia, explore empirically describe influences anthocyanins, pH titratable acidity (TA) levels two or three Vitis vinifera (Cabernet Sauvignon, Chardonnay Shiraz). The...
A fundamental tool in carbon accounting is tree-based allometry, whereby easily measured variables can be used to estimate aboveground biomass (AGB). To explore the potential of general allometry we combined raw datasets from 14 different woodland species, mainly eucalypts, 11 sites across Northern Territory, Queensland and New South Wales. Access data allowed two predictor variables, tree diameter (at 1.3-m height; D) height (H), singly or various combinations produce eight candidate...
The photosynthate costs of processes (amino acid and protein synthesis turnover, pH regulation) associated with the utilization nitrate (NO 3 − ), ammonium (NH 4 + ) or glutamine (Gln) for plant growth were estimated. Based on these estimates, effects forms nitrogen (N) carbon balance plants shoot–root biomass allocation evaluated. results indicated that NO as an N source is not substantially more expensive to utilize than either NH Gln, particularly in long term when due turnover dominate...
More than a century of observations has established that climate influences grape berry composition. Accordingly, the projected global change is expected to impact on composition although magnitude and direction at regional subregional scales are not fully known. The aim this study was assess potential impacts levels anthocyanin titratable acidity (TA) major grapevine varieties grown across all Western Australian (WA) wine regions. Grape TA responses WA regions were for 2030, 2050 2070 by...
Co-infections - invasions of a host-plant by multiple pathogen species or strains are common, and thought to have consequences for ecology evolution. Despite their apparent significance, co-infections received limited attention; in part due lack suitable quantitative tools monitoring co-infecting pathogens. Here, we report on duplex real-time PCR assay that simultaneously distinguishes quantifies two globally important fungal pathogens wheat: Pyrenophora tritici-repentis Parastagonospora...
Background and Aims Exposure to smoke uptake of taint imparting phenols in grapes wines is a significant problem bushfire-prone regions Australia other countries. The effects exposure on occurrence wines, however, can be variable. This study assessed the influence cultivar accumulation smoke-borne subsequent processing winemaking methods extraction into wines. Methods Results Smoke-exposure experiments were conducted commercial vineyards Chardonnay, Merlot Sauvignon Blanc 14 days after onset...
Abstract BACKGROUND Analyses of sensitivity Global Food Security (FS) score to a key set supply or demand factors often suggest population and water as being the most critical on which policies tend focus. To explore other policy options, we characterized nexus between GFS including population, agricultural industrial uses, publications (as surrogate for investment in research development (R&D)) corruption perception index (CPI), reveal opportunities attaining enduring GFS. RESULTS We...
Abstract A global, unified dataset on Soil Organic Carbon (SOC) changes under perennial crops has not existed till now. We present a harmonised database SOC change resulting from crop cultivation. It contains information about 1605 paired-comparison empirical values (some of which are aggregated data) 180 different peer-reviewed studies, 709 sites, 58 types, 32 countries in temperate, tropical and boreal areas; including species used for food, bioenergy bio-products. The also climate, soil...
Effects of nitrogen (N) supply on biomass distribution as well N effects NO3"assimilation, were examined in two-year-old graftlings Vitis vinifera L. cv. Cabernet Sauvignon five rootstocks. Whole-plant all more than doubled with increased solution from 0.25 to 8 mM. Whole plant was also affected by rootstock genotype, but a lesser extent supply. Biomass allocation roots declined for stock-scion combinations, the magnitude that response varied genotype. Nitrate reductase activity (NRA) leaves...
We used a modified functional balance (FB) model to predict growth response of Helianthus annuus L. elevated CO 2 . Model predictions were evaluated against measurements obtained twice during the experiment. There was good agreement between relative rate (RGR) responses and observations, particularly at second harvest. The then compare effects biomass allocation roots, nitrogen (N) uptake photosynthetic N-use efficiency (PNUE) in determining plant predicted that rather substantial increase...