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  Section: Plant Nutrient » Other Beneficial Elements
 
 
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Other Beneficial Elements in Plant Nutrition

 
     
 
Beneficial Elements in plant nutrition
Aluminum
Cobalt
Selenium
Silicon
Sodium
Vanadium


Topics covered in element Aluminum


Introduction
Aluminum-Accumulating Plants
Beneficial Effects of Aluminum in Plants
  Growth Stimulation
  Inhibition of Plant Pathogens
Aluminum Absorption and Transport within Plants
  Phytotoxic Species
  Absorption
  Aluminum Speciation in Symplasm
  Radial Transport
  Mucilage
Aluminum Toxicity Symptoms in Plants
  Short-Term Effects
    - Inhibition of Root Elongation
    - Disruption of Root Cap Processes
    - Callose Formation
    - Lignin Deposition
    - Decline in Cell Division
  Long-Term Effects
    - Suppressed Root and Shoot Biomass
    - Abnormal Root Morphology
    - Suppressed Nutrient Uptake and Translocation
    - Restricted Water Uptake and Transport
    - Suppressed Photosynthesis
    - Inhibition of Symbiosis with Rhizobia
Mechanisms of Aluminum Toxicity in Plants
  Cell Wall
    - Modification of Synthesis or Deposition of Polysaccharides
  Plasma Membrane
    - Binding to Phospholipids
    - Interference with Proteins Involved in Transport
      - H+ -ATPases
      - Potassium Channels
      - Calcium Channel
      - Magnesium Transporters
      - Nitrate Uptake
      - Iron Uptake
      - Water Channels
    - Signal Transduction
      - Interference with Phosphoinositide Signal Transduction
      - Transduction of Aluminum Signal
  Symplasm
    - Disruption of the Cytoskeleton
    - Disturbance of Calcium Homeostasis
    - Interaction with Phytohormones
      - Auxin
      - Cytokinin
    - Oxidative Stress
    - Binding to Internal Membranes in Chloroplasts
    - Binding to Nuclei
Genotypic Differences in Aluminum Response of Plants
  Screening Tests
  Genetics
Plant Mechanisms of Aluminum Avoidance or Tolerance
  Plant Mechanisms of Aluminum Avoidance
    - Avoidance Response of Roots
    - Organic Acid Release
    - Exudation of Phosphate
    - Exudation of Polypeptides
    - Exudation of Phenolics
    - Alkalinization of Rhizosphere
    - Binding to Mucilage
    - Binding to Cell Walls
    - Binding to External Face of Plasma Membrane
    - Interactions with Mycorrhizal Fungi
  Plant Mechanisms of Aluminum Tolerance
    - Complexation with Organic Acids
    - Complexation with Phenolics
    - Complexation with Silicon
    - Sequestration in Vacuole or in Other Organelles
    - Trapping of Aluminum in Cells
Aluminum in Soils
  Locations of Aluminum-Rich Soils
  Forms of Aluminum in Soils
  Detection or Diagnosis of Excess Aluminum in Soils
    - Extractable and Exchangeable Aluminum
    - Soil-Solution Aluminum
  Indicator Plants
Aluminum in Human and Animal Nutrition
  Aluminum as an Essential Nutrient
  Beneficial Effects of Aluminum
    - Beneficial Effects of Aluminum in Animal Agriculture
    - Beneficial Uses of Aluminum in Environmental Management and Water Treatment
  Toxicity of Aluminum to Animals and Humans
    - Toxicity to Wildlife
    - Toxicity to Agricultural Animals
      - Toxicity to Ruminants (Cattle and Sheep)
      - Toxicity to Poultry
    - Toxicity to Humans
      - Overview of Aluminum Metabolism
      - Overview of the Biochemical Mechanisms of Aluminum Toxicity
Aluminum Concentrations
  In Plant Tissues
    - Aluminum in Roots
    - Aluminum in Shoots
  Soil Analysis
References

 


Topics covered in element Cobalt


Introduction
Distribution
  Microorganisms and Lower Plants
    - Algae
    - Fungi
    - Moss
  Higher Plants
Absorption
Uptake and Transport
  Absorption as Related to Properties of Plants
  Absorption as Related to Properties of Soil
  Accumulation as Related to the Rhizosphere
Cobalt Metabolism in Plants
Effect of Cobalt in Plants on Animals
Interaction of Cobalt with Metals and Other Chemicals in Mineral Metabolism
  Interaction of Cobalt with Iron
  Interaction of Cobalt with Zinc
  Interaction of Cobalt with Cadmium
  Interaction of Cobalt with Copper
  Interaction of Cobalt with Manganese
  Interaction of Cobalt with Chromium and Tin
  Interaction of Cobalt with Magnesium
  Interaction of Cobalt with Sulfur
  Interaction of Cobalt with Nickel
  Interaction of Cobalt with Cyanide
Beneficial Effects of Cobalt on Plants
  Senescence
  Drought Resistance
  Alkaloid Accumulation
  Vase Life
  Biocidal and Antifungal Activity
  Ethylene Biosynthesis
  Nitrogen Fixation
Cobalt Tolerance by Plants
  Algae
  Fungi
  Higher Plants
References

 


Topics covered in element Selenium


The Element Selenium
  Selenium Chemistry
Selenium in Plants
  Uptake
  Metabolism
  Volatilization
  Phytoremediation
Selenium Toxicity to Plants
Selenium in the Soil
  Geological Distribution
  Selenium Availability in Soils
Selenium in Human and Animal Nutrition
  Dietary Forms
  Metabolism and Form of Selenium
Selenium and Human Health
  Selenium Deficiency and Toxicity in Humans
  Anticarcinogenic Effects of Selenium
  Importance of Selenium Methylation in Chemopreventive Activity
Selenium Enrichment of Plants
Selenium Tissue Analysis Values of Various Plant Species
References




Topics covered in element Silicon


Introduction
Historical Perspectives
Silicon in Plants
  Plant Absorption of Silicon
  Forms of Silicon in Plants
  Biochemical Reactions with Silicon
Beneficial Effects of Silicon in Plant Nutrition
  Effect of Silicon on Biotic Stresses
  Effect of Silicon on Abiotic Stresses
Effect of Silicon on Plant Growth and Development
  Effect of Silicon on Root Development
  Effect of Silicon on Fruit Formation
  Effect of Silicon on Crop Yield
Silicon in Soil
  Forms of Silicon in Soil
  Soil Tests
Silicon Fertilizers
Silicon in Animal Nutrition
References




Topics covered in element Sodium


Sodium in Soils and Water
  Salinity
  Sodicity
Sodium as an Essential Element
Beneficial Effects
  Growth Stimulation
  Interaction with Other Nutrients
Sodium in Fertilizers
Sodium Metabolism in Plants
  Effects on C4 Species
  Toxicity of Sodium
Intracellular and Intercellular Compartmentation
Sodium in Various Plant Species
References




Topics covered in element Vanadium


Historical
Growth Effects
  Growth Stimulation
  Toxicity
Metabolism
Vanadium in Plant Species
References

 
     
 
 
     




     
 
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