Bio 226: Cell and Molecular Biology

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Mineral Nutrition Studied by soil-free culture in
nutrient solutions
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• Mineral Nutrition
• Studied by soil-free culture in nutrient
  solutions Hoaglands is best known

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• Mineral Nutrition
• Soil-free culture
• Sand culture dont really control nutrients

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• Mineral Nutrition
• Soil-free culture
• Sand culture dont really control nutrients
• Hydroponics immerse roots in nutrient solution

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• Mineral Nutrition
• Soil-free culture
• Sand culture dont really control nutrients
• Hydroponics immerse roots in nutrient solution
• Rapidly deplete nutrients O2 alter pH

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• Mineral Nutrition
• Soil-free culture
• Sand culture dont really control nutrients
• Hydroponics immerse roots in nutrient solution
• Rapidly deplete nutrients O2 alter pH
• Slanted film maintains nutrients O2

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• Mineral Nutrition
• Soil-free culture
• Sand culture
• Hydroponics immerse roots in nutrient solution
• Slanted film maintains nutrients O2
• Aeroponics sprays nutrient solution on roots

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• Mineral Nutrition
• Macronutrients
• CHOPKNS

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• Mineral Nutrition
• Macronutrients
• CHOPKNS
• CHOPNS make biopolymers

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• Mineral Nutrition
• Macronutrients
• CHOPNS make biopolymers
• N deficiency
• mobile in plant, so shows first in old leaves

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• Mineral Nutrition
• Macronutrients
• CHOPNS make biopolymers
• P deficiency
• mobile in plant, so shows first in old leaves

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• Mineral Nutrition
• Macronutrients
• CHOPNS make biopolymers
• S deficiency
• mobile in plant, so shows first in old leaves

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• Mineral Nutrition
• Macronutrients
• CHOPKNS
• CHOPNS make biopolymers
• K makes turgor, enzyme cofactor
• mobile in plant, so shows first in old leaves

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• Mineral Nutrition
• Macronutrients
• CHOPKNS
• Ca signaling, middle lamella, cofactor
• immobile in plant, so shows first in young leaves

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• Mineral Nutrition
• Macronutrients
• Ca signaling, middle lamella, cofactor
• Fe cofactor
• immobile in plant, so shows first in young leaves

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• Mineral Nutrition
• Macronutrients
• Ca signaling, middle lamella, cofactor
• Fe cofactor
• Mg cofactor
• mobile in plant, so shows first in old leaves

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• Mineral Nutrition
• Macronutrients CHOPKNSCaFeMg
• Ca signaling, middle lamella, cofactor
• Fe cofactor
• Mg cofactor
• mobile in plant, so shows first in old leaves

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• Mineral Nutrition
• Macronutrients CHOPKNSCaFeMgBNaCl
• Ca signaling, middle lamella, cofactor
• Fe cofactor
• Mg cofactor
• mobile in plant, so shows first in old leaves

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• Mineral Nutrition
• Micronutrients BNaCl
• B cell elongation. NA metabolism
• immobile in plant, so shows first in young leaves

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• Mineral Nutrition
• Micronutrients BNaCl
• B cell elongation. NA metabolism
• Na PEP regeneration in C4, K substitute
• mobile in plant, so shows first in old leaves

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• Mineral Nutrition
• Micronutrients BNaCl
• B cell elongation. NA metabolism
• Na PEP regenerationin C4, K substitute
• Cl water-splitting, osmotic balance
• mobile in plant, so shows first in old leaves

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• Mineral Nutrition
• Micronutrients BNaCl others include Cu, Zn, Mn
• B cell elongation. NA metabolism
• Na PEP regeneration, K substitute
• Cl water-splitting, osmotic balance
• Cu cofactor
• immobile in plant, so shows first in young leaves

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Mineral Nutrition Commercial fertilizers mainly
supply NPK
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• Plant food
• 2.6 ammoniacal nitrogen
• 4.4 nitrate nitrogen
• 9 phosphorus
• 5 potassium
• calcium (2)
• magnesium (0.5)
• sulfur (0.05)
• boron (0.02)
• chlorine (0.1)
• cobalt (0.0015)
• copper (0.05)
• iron (0.1)
• manganese (0.05)
• molybdenum (0.0009)
• nickel (0.0001)
• sodium (0.10)
• zinc (0.05)

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• Mineral Nutrition
• Soil nutrients
• Amounts availability vary
• PSU extension Text

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• Mineral Nutrition
• Soil nutrients
• Amounts availability vary
• Many are immobile, eg P, Fe

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• Mineral Nutrition
• Soil nutrients
• Amounts availability vary
• Many are immobile, eg P, Fe
• Mobile nutrients come with soil H2O