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  Section: Plant Nutrition » Macronutrients » Magnesium
 
 
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Fruit Yield and Quality

 
     
 
Content
Historical Information
  Determination of Essentiality
Function in Plants
  Metabolic Processes
  Growth
  Fruit Yield and Quality
Diagnosis of Magnesium Status in Plants
  Symptoms of Deficiency and Excess
    - Symptoms of Deficiency
    - Symptoms of Excess
  Environmental Causes of Deficiency Symptoms
  Nutrient Imbalances and Symptoms of Deficiency
    - Potassium and Magnesium
    - Calcium and Magnesium
    - Nitrogen and Magnesium
    - Sodium and Magnesium
    - Iron and Magnesium
    - Manganese and Magnesium
    - Zinc and Magnesium
    - Phosphorus and Magnesium
    - Copper and Magnesium
    - Chloride and Magnesium
    - Aluminum and Magnesium
  Phenotypic Differences in Accumulation
  Genotypic Differences in Accumulation
Concentrations of Magnesium in Plants
  Magnesium Constituents
    - Distribution in Plants
    - Seasonal Variations
    - Physiological Aspects of Magnesium Allocation
  Critical Concentrations
    - Tissue Magnesium Concentration Associations with Crop Yields
    - Tabulated Data of Concentrations by Crops
Assessment of Magnesium in Soils
  Forms of Magnesium in Soils
  Sodium Absorption Ratio
  Soil Tests
  Tabulated Data on Magnesium Contents in Soils
    - Soil Types
Fertilizers for Magnesium
  Kinds of Fertilizers
  Effects of Fertilizers on Plant Growth
  Application of Fertilizers
References
 
Magnesium deficiencies and toxicities may decrease fruit yield and quality. In two cultivars of apple (Malus pumila Mill.), fruit magnesium concentrations were correlated negatively with fruit color, whereas fruit potassium concentrations were positively correlated with fruit color (48). The effects of magnesium on apple fruit quality may have been due to antagonistic effects on potassium uptake and accumulation. In tomato, even though increasing magnesium fertilization rates did not affect total shoot dry weight, overall fruit yield decreased with increased magnesium fertilization supply from 0.5 to 10 mM (37).




 
     
 
 
     



     
 
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