Plant Nutrition for a Healthy Planet · (D) Impact of Environmental Stresses on Plant Nutrition (E)...
Transcript of Plant Nutrition for a Healthy Planet · (D) Impact of Environmental Stresses on Plant Nutrition (E)...
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Plant Nutrition for a Healthy Planet
Michael A. GrusakMichael A. GrusakUSDAUSDA--ARS ChildrenARS Children’’s Nutrition Research Center, Baylor College of Medicines Nutrition Research Center, Baylor College of Medicine
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Opening AddressOpening Address
Why are we here?
What should our focus be during the meeting?
What connections should we be making – amongst each other – and
amongst our sub-disciplines?Michael A. Grusak, USDA-ARS
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Opening AddressOpening Address
Why is plant nutrition relevant and important to a healthy planet?
Where should we be heading in the future – with new approaches and
new technologies?
Michael A. Grusak, USDA-ARS
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Targets for Plant NutritionTargets for Plant NutritionFarmer Issues• Yield• Profits
Consumer Issues• Food Security• Nutritious Food & Feed
Ecosystem Issues• Agricultural Communities
• Small land-owner cooperatives• Farming support systems
• Human Communities• National Health Status• Macro-Economic Issues
Michael A. Grusak, USDA-ARS
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Levels of Organization in BiologyLevels of Organization in Biology
BiosphereEcosystemCommunityPopulationIndividual
OrganTissue
CellMolecule
Michael A. Grusak, USDA-ARS
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Colloquium ThemesColloquium Themes(A) Nutrient Acquisition, Homeostasis and Source-Sink
Relations(B) Nutrient Management for Optimal Productivity and
Sustainability(C) Functions, Interactions and Diagnosis of Plant Nutrient
Status(D) Impact of Environmental Stresses on Plant Nutrition(E) Plant Nutrition for Human Health(F) Environmental Plant Nutrition – Trees, Roots, and Climate(G) Element Toxicity and Remediation(H) Nutrient Management and the Sustainability of Agriculture
in the Developing WorldMichael A. Grusak, USDA-ARS
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Plant Nutrition
Human Health
Aquatic HealthSoil
Health
Plant Health
Atmospheric Health
Community &Socio-Economic
Health
Michael A. Grusak, USDA-ARS
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Macronutrient minerals:K, Ca, P, Mg, Na, Cl
Micronutrient minerals:Fe, Mn, Zn, Cu, F, I, Se, Mo, Cr
Elements in RED: Plant essential minerals
Human Essential Minerals (17 Total)Human Essential Minerals (17 Total)
Michael A. Grusak, USDA-ARS
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Human Essential Minerals (17 Total)Human Essential Minerals (17 Total)
Other essential minerals:N, S (acquired via protein)
Non-essential but potentially beneficial minerals:
B, Ni, Si, V, As
Elements in RED: Plant essential mineralsMichael A. Grusak, USDA-ARS
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Dietary Recommendations for HumansDietary Recommendations for Humans
Michael A. Grusak, USDA-ARS
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Human HealthHuman Health
Target levels for nutrient enhancement (biofortification) must consider both the nutrient
concentrations in a food and the general patterns of consumption seen for that food.
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Community HealthCommunity Health
Improvements in the health of farming communities will
have an impact in both developed and developing
countries.
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Atmospheric HealthAtmospheric Health
Carbon capture on both farmland and wood lots
can help to mitigate continued increases in
atmospheric CO2.Barley field and surrounding forest in Gloucestershire, Britain.
Michael A. Grusak, USDA-ARS
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Plant HealthPlant Health
Iron Deficiency in Soybean
Iron Deficiency in Rice
Michael A. Grusak, USDA-ARS
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Plant HealthPlant Health
Moller et al. (2009) Plant Cell
Zinc Deficiency & Limited Water in WheatSalinity Tolerance
in Arabidopsis
Konya, Turkey
Michael A. Grusak, USDA-ARS
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Plant HealthPlant Health
NASA Earth Observatory (2009)
Drought in Africa showing vegetation anomaly
Image acquired June 1-30, 2009
Michael A. Grusak, USDA-ARS
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Soil HealthSoil Health
Soil Science Society of America (2008)
Michael A. Grusak, USDA-ARS
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Aquatic HealthAquatic Health
Thames River Plume in the North Sea
Image acquired March 26, 2007
NASA Earth Observatory (2007)
Nutrient management, nutrient use by crop plants,
and soil characteristics establish the input-output
dynamics of nutrient movement from field to
waterways.
Michael A. Grusak, USDA-ARS
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Why are we here?
What should our focus be during the meeting?
What connections should we be making – amongst each other – and
amongst our sub-disciplines?
Michael A. Grusak, USDA-ARS
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Colloquium ThemesColloquium Themes(A) Nutrient Acquisition, Homeostasis and Source-Sink
Relations(B) Nutrient Management for Optimal Productivity and
Sustainability(C) Functions, Interactions and Diagnosis of Plant Nutrient
Status(D) Impact of Environmental Stresses on Plant Nutrition(E) Plant Nutrition for Human Health(F) Environmental Plant Nutrition – Trees, Roots, and Climate(G) Element Toxicity and Remediation(H) Nutrient Management and the Sustainability of Agriculture
in the Developing WorldMichael A. Grusak, USDA-ARS
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Is plant nutrition relevant and important for the health of our planet?
Michael A. Grusak, USDA-ARS
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Where should plant nutrition be heading in the future?
What new approaches and technologies should we be using and
taking advantage of?
Michael A. Grusak, USDA-ARS
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Levels of Organization in BiologyLevels of Organization in Biology
BiosphereEcosystemCommunityPopulationIndividual
OrganTissue
CellMolecule
Michael A. Grusak, USDA-ARS
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Nutrient Delivery/ManagementNutrient Delivery/Management
Continued development of new metal chelates and a better
understanding of metal-chelate binding/release is needed.
d,l-racemicmixture
Mesoisomer
Nano-particles and nano-structures for fertilizer delivery (high surfarce area and/or slow-
release applications).Michael A. Grusak, USDA-ARS
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BiocharBiochar
Czimczik and Masiello (2007)Global Biogeochemical Cycles
Laird (2008) Agronomy Journal
Michael A. Grusak, USDA-ARS
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BiocharBiochar UseUse
Lehman (2007) Frontiers Ecol Environ
Biochar production (via fast or slow pyrolysis) and incorporation into soils is
being promoted as a method for long-term
sequestering of carbon.
How will it impact nutrient and microbial interactions
in soil?
Michael A. Grusak, USDA-ARS
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BiocharBiochar UseUse
Warnock et al. (2007) Plant SoilMichael A. Grusak, USDA-ARS
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BiocharBiochar UseUse
Laird (2008) Agronomy Journal
All ‘biochar’ is not the same. Production at
different temperatures, with different feedstocks,
with differing oxygen tensions will create different products.
How will this potential source of variation impact nutrient interactions and
biochar use?
Michael A. Grusak, USDA-ARS
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Mineral Nutrition of Mineral Nutrition of SymbiontsSymbionts
Haynes et al. (2004) New Phytologist
Wild-type Medicago truncatula root nodules infected with Sinorhizobium meliloti.
Altered root nodule development in the raz (requires additional zinc)
mutant.
Michael A. Grusak, USDA-ARS
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Rhizosphere EcologyRhizosphere Ecology
Human gut epithelium
Exciting new research in human nutrition is
focusing on gut microbial ecology and
the role of gut microbes in disease resistance, nutrient metabolism, and nutrient supply to
the host.
Michael A. Grusak, USDA-ARS
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Rhizosphere EcologyRhizosphere Ecology
MetablomicsProteomicsGenomics
Genetic Diversity
Michael A. Grusak, USDA-ARS
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Mineral TransportersMineral Transporters
Vasconcelos et al. (2008) Plant Genome
R St Sh Pd Em Ol Fl Yl
OsOPT1
OsOPT2
OsOPT3
OsOPT4
OsOPT5
OsOPT6
OsOPT7
OsOPT8
OsOPT9
Tubulin
Spatial expression varies amongst the rice PT-OPTs
ACYTOPLASM
B CYTOPLASM
Michael A. Grusak, USDA-ARS
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Mineral Transporters: Gene RegulationMineral Transporters: Gene Regulation
Jones-Rhoades et al. (2006) Ann Rev Plant Biol
What is the role of micro RNAs in the
regulation of mineral-related
genes in plants?
Michael A. Grusak, USDA-ARS
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WholeWhole--Plant Nutrient PartitioningPlant Nutrient Partitioning
Waters and Grusak (2008) New Phytologist
How does the plant regulate its mineral content over time and
space, especially with respect to
mineral delivery to edible tissues?
Michael A. Grusak, USDA-ARS
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Lotus japonicusLotus japonicus –– Seed Mineral QTLsSeed Mineral QTLs.
TM0088TM0027TM0372TM0193TM0178TM0386TM0101TM1635TM0051TM1168TM0113TM0805TM0222TM0122TM0105TM0134TM0074TM0383TM0053TM0660
BM1626
all markers & qtls
Ca-3
Ca-4
Ca-5Ca-6
[Ca]-1
[Ca]-2
Calcium
Cu-5[Cu]-1[Cu]-2
Cu-6
Copper
[Fe]-1Fe-4[Fe]-2
Iron
[K]-1
K-3
K-4K-5[K]-2
Potassium
Mg-4
Mg-5
Mg-6
Mg-7Mg-8
Magnesium
[Mn]-1
[Mn]-2
Manganese
[Ni]-1
[Ni]-2
Nickel
[P]-1
Phosphorous
[S]-1[S]-2S-7S-8[S]-3
[S]-4
S-9
S-10
Sulfur
Zn-3[Zn]-1
Zn-4
Zinc seed wt
LG1
LG2
Klein and Grusak (2009) GenomeMichael A. Grusak, USDA-ARS
WholeWhole--Plant Nutrient PartitioningPlant Nutrient Partitioning
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Effect of Elevated COEffect of Elevated CO22 on Mineral Concentrationson Mineral Concentrations
Changes (%) in the mean concentration of elements in plants grown in twice-ambient CO2, relative to those grown at ambient levels. The figure is based on 25 studies with woody (11) and
herbaceous (19) species or wheat cultivars (5).
Loladze (2002) Trends in Ecology & Evolution
Foliar dataWheat grain data
ElementN P K Ca S Mg Fe Zn Mn Cu
Cha
nge
in m
ean
conc
entr
atio
n (%
)5
-5
-15
-25
Michael A. Grusak, USDA-ARS
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Effect of Elevated COEffect of Elevated CO22 on Mineral Concentrationson Mineral Concentrations
Effects of CO2 enrichment on concentrations of macro-
elements, micro-elements, and trace elements (% DW) in wheat
grain. Values are average relative changes (+ S.D.) due to
elevated CO2 for each of five replicates per treatment for the
years 2004-2006.
Högy et al. (2009) Plant BiologyMichael A. Grusak, USDA-ARS
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Essential vs. Beneficial ElementsEssential vs. Beneficial Elements
Pilon-Smits et al. (2009) Current Opinion in Plant BiologyMichael A. Grusak, USDA-ARS
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Where should our focus be as we proceed through these meetings?
What connections should we be making amongst our sub-disciplines?
Michael A. Grusak, USDA-ARS
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Plant Nutrition
Community &Socio-Economic
Health
Human Health
Aquatic Health
Soil Health
Plant Health
Atmospheric Health Fiber Food &
Feed
CO2Fixation
Biotic Stress Mitigation
Soil Organisms
Animal Nutrition
Human Nutrition
Crop Quality
Crop Yield
Soil Carbon‘Biochar’
Soil Chemistry
Metal/Mineral Ligands
Nutrient Requirements
Nutrient Use
Agric. System Productivity
Abiotic Stress Mitigation
Michael A. Grusak, USDA-ARS
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Plant Nutrition for a Healthy PlanetPlant Nutrition for a Healthy Planet
Michael A. Grusak, USDA-ARS