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The flashcards below were created by user
efrain12
on FreezingBlue Flashcards.
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Nitrogen (functions) (3)
part of proteins, nucleic acids, chlorophyll
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Nitrogen (deficiency symptoms) (2)
loss of color in leaves, occurs first on the oldest ones
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Potassium (functions) (1)
activates enzymes, concentrates in meristems
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Potassium (deficiency) (2)
-yellowing of leaves
-lower leaves often browned at tip
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Calcium (functions) (1)
involved in movement of substances through cell membranes
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Calcium (deficiency) (3)
-terminal buds dead
-roots dead or dying
-tips and margins of leaves withered
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Phosphorous (functions) (1)
necessary for respiration and cell division
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Phosphorous (deficiency) (3)
-plants stunted
-leaves darker green than usual
-lower leaves often purplish in veins
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Magnesium (functions) (2)
part of the chlorophyll molecule
-activates enzymes
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Magnesium (deficiency) (3)
-veins of leaves green but yellow between them
-dead spots appearing
-leaf margins curling
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Sulfur (functions)
part of some amino acids
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Sulfur (deficiency) (2)
-leaves pale green with dead spots
-veins lighter in color than the rest of the leaf
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Iron (function)
-needed to make chlorophyll and in respiration
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Iron (deficiency)
-larger veins remaining green while rest of leaf yellows, mainly in young leaves
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Manganese (functions)
activates some enzymes
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Manganese (deficiency)
dead spots scattered over leaf surface
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Boron
influences utilization of calcium ions
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Boron (deficiency)
petioles and stems brittle
-bases of young leaves break down
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