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Title: Visualising and Quantifying Cereal Root Responses to Phosphorus
Contributor(s): Flavel, Richard James (author); Guppy, Christopher  (supervisor)orcid ; Young, Iain  (supervisor); Watt, Michelle  (supervisor); Tighe, Matthew  (supervisor); McNeill, Ann (supervisor)
Conferred Date: 2014
Copyright Date: 2013
Open Access: Yes
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Abstract: Phosphorus (P) and nitrogen macronutrient deficiencies remain a primary constraint to global agricultural production. Expectations for decreasing fertiliser availability and increased food demand provide impetus for improving plant nutrient efficiencies. While significant genetic advances have been made based on plant shoot characteristics, the root system traits have remained largely untargeted in breeding programs. This is largely due to the difficulties in rapidly assessing root system attributes. Since the spatial distribution of the root system (root architecture) determines the edaphic resources available to plants, it is logical to target root architecture in an effort to improve plant nutrient acquisition efficiency. Characteristics such as localised root proliferation in response to high nutrient patches could be improved to increase nutrient capture from point source fertiliser applications.
Publication Type: Thesis Doctoral
Field of Research Codes: 070302 Agronomy
070306 Crop and Pasture Nutrition
050304 Soil Chemistry (excl Carbon Sequestration Science)
Socio-Economic Outcome Codes: 961402 Farmland, Arable Cropland and Permanent Cropland Soils
820507 Wheat
820599 Winter Grains and Oilseeds not elsewhere classified
Rights Statement: Copyright 2013 - Richard James Flavel
HERDC Category Description: T2 Thesis - Doctorate by Research
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Appears in Collections:School of Environmental and Rural Science
Thesis Doctoral

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