Nutrient Deficiencies and Toxicities
Nitrogen Deficiency on
Chrysanthemum
Uniform chlorosis of lower
leaves turning to necrosis;
stunting; chlorosis
progressing up the plant
Nitrogen Deficiency on Turf Grass
Nitrogen deficiency and toxicity and same turfgrass
area due to the improper application of fertilizer.
Phosphorus Deficiency on
Chrysanthemum
After turning a deep
green, lower leaves
become chlorotic
and then necrotic
Phosphorus Deficiency in Rose
Leaves are
generally stunted
and may be graygreen
Potassium Deficiency in Rose
Tip and marginal
yellowing,
browning and
necrosis of older
leaves.
Calcium Deficiency on
Chrysanthemum
Top leaves turn chlorotic in
pattern and are
incompletely formed
(many tend to appear
stripped like).
Calcium Deficiency in Roses
Leaves become dull
gray-green and bend
down at margins, and
edges later turn yellow
and brown
Manganese Deficiency in
Chrysanthemums
Interveinal
chlorsis starting
at the top and
progressing
downward
Manganese Deficiency in Roses
Interveinal chlorsis
becomes necrotic
Magnesium Deficiency in
Chrysanthemum
Interveinal
chlorosis of
lower leaves
Iron Deficiency in Turfgrass
Interveinal chlorosis caused by iron deficiency
Iron deficiency in Chrysanthemum
Interveinal chlorosis starting at the top
and progressing downwards
Iron Deficiency in Gardenia
Foliar chlorosis on leaves of Gardenia
Iron Deficiency in Rhododendron
Iron Chlorosis
Iron Deficiency on Roses
Interveinal chlorosis in
which main veins
remain green
Copper Deficiency in Aglaonema
Stunted and deformed new leaves
Molybdenum Deficiency in Poinsettia
Leaf edge chlorosis and scorch
Molybdenum Deficiency in
Chrysanthemum
Blanched upper leaves
Fluoride Toxicity in Dracaena
Fluoride toxicity in
Dracaena with leaf
damage
Fluoride Toxicity on Dracaena
Severe Marginal Necrosis
Fluoride Toxicity in Dracaena
Slight symptoms of
fluoride toxicity
grown under
interiorscape
conditions
Fluoride Toxicity in Calathea
Marginal chlorosis
and necrosis
developing within 1-2
weeks of treatment of
soil drench of sodium
fluoride
Fluoride Toxicity in Aglaonema
Chlorotic and
necrotic lesions
Salt Toxicity in Roses
Marginal necrosis of leaves
Salt Toxicity in Geraniums
Leaf edge necrosis caused by
excessive levels of soluble salts in
the growing medium
Salt Toxicity in Geraniums
Wilted Geranium caused by
root injury from an
excessive levels of soluble
salts in the growing mix
Salt Toxicity in Impatiens
Defoliation resulting from excessive
soluble salts