Essential elements in plants

Nitrogen (functions) (3)

part of proteins, nucleic acids, chlorophyll
Nitrogen (deficiency symptoms) (2)

loss of color in leaves, occurs first on the oldest ones
Potassium (functions) (1)

activates enzymes, concentrates in meristems
Potassium (deficiency) (2)

-yellowing of leaves

-lower leaves often browned at tip
Calcium (functions) (1)

involved in movement of substances through cell membranes
Calcium (deficiency) (3)

-terminal buds dead

-roots dead or dying

-tips and margins of leaves withered
Phosphorous (functions) (1)

necessary for respiration and cell division
Phosphorous (deficiency) (3)

-plants stunted

-leaves darker green than usual

-lower leaves often purplish in veins
Magnesium (functions) (2)

part of the chlorophyll molecule

-activates enzymes
Magnesium (deficiency) (3)

-veins of leaves green but yellow between them

-dead spots appearing

-leaf margins curling
Sulfur (functions)

part of some amino acids
Sulfur (deficiency) (2)

-leaves pale green with dead spots

-veins lighter in color than the rest of the leaf
Iron (function)

-needed to make chlorophyll and in respiration
Iron (deficiency)

-larger veins remaining green while rest of leaf yellows, mainly in young leaves
Manganese (functions)

activates some enzymes
Manganese (deficiency)

dead spots scattered over leaf surface
Boron

influences utilization of calcium ions
Boron (deficiency)

petioles and stems brittle

-bases of young leaves break down

Author

efrain12

135067

Card Set

Essential elements in plants

Description

essential elements chart

Updated

2/14/2012, 1:05:52 AM

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