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 gray-green

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