NUTRIENT DEFICIENCY SYMPTOMS IN PLANTS

Cause	Common name	Botanical name	Plant part	Symptom
K-deficit	Pear	Pyrus communis	Leaf	Upward curling
K-deficit	Pea	Pisum sativum	Leaf	Brown stipple
K-deficit	Potato	Solanum tuberosum	Leaf	Bronzing of lower surface; marginal, later interveinal necrosis
K-deficit	Tomato	Lycopersicum esculentum	Leaf	Marginal, later interveinal necrosis
K-deficit	Lucerne (alfalfa)	Medicago sativa	Leaf	Marginal, later interveinal necrosis
P-deficit	Cabbage	Brassica oleracea var. capitata	Leaf	Red/purple discolouration
P-deficit	Lucerne (alfalfa)	Medicago sativa	Leaf	Red/purple discolouration
P-deficit	Potato	Solanum tuberosum	Leaf	Curling or rolling
S-deficit	Tomato	Lycopersicum esculentum	Leaf	Very pale new leaf; Bleached old leaf
Ca-deficit	Tulip	Tulipa gesneriana	Leaf	Necrosis
Ca-deficit	Tulip	Tulipa gesneriana	Plant	Wilting
Mg-deficit	Pear	Pyrus communis	Leaf	Black necrosis
Mg-deficit	Potato	Solanum tuberosum	Leaf	Brown stipple
Mg-deficit	Tomato	Lycopersicum esculentum	Leaf	Curling & brittleness
Mn-deficit	Oats	Avena sativa	Leaf	Grey discolouration
Mn-deficit	Wheat	Triticum vulgare	Leaf	White dashes
Mn-deficit	Wheat	Triticum vulgare	Plant	Pale floppy appearance
Mn-deficit	Barley	Hordeum vulgare	Plant	Pale floppy appearance
Mn-deficit	Barley	Hordeum vulgare	Leaf	White dashes
Zn-deficit	Lucerne (alfalfa)	Medicago sativa	Leaf	White stipple on lower & Bronzing of upper surface
Zn-deficit	Tomato	Lycopersicum esculentum	Leaf	Interveinal chlorosis, later necrosis
Mn-excess	Cauliflower	Brassica oleracea var. botrytis	Leaf	Brown/purple stipple
Mn-excess	Potato	Solanum tuberosum	Leaf/stem	Black stipple or streaks