Nutrient deficiency and toxicity disorders in plants

Nutrient deficiency and toxicity disorders in plants

1. Nitrogen (N)

Deficiency:

Buttoning in cauliflower 

Toxicity:

Hollow stem in cauliflower

2. Phosphorus (P)

Deficiency:

Sickle leaf disease

3. Potassium (K)

Deficiency:

Yellow white mottling of cotton

Firing of tobacco leaves

Toxicity:

Blotchy ripening of tomato (K excess & N imbalance) 

4. Calcium (Ca)

Deficiency:

Blossom end rot in tomato

Bitter pit in apple

Pillow diseases of cucumber

Die back disease of pea 

5. Sulphur (S)

Deficiency:

Tea yellow diseases

 6. Magnesium (Mg)

Deficiency:

Reddening of leaves in cotton

Sand drawn diseases in tobacco

Grass tetany (animals) 

7. Iron (Fe)

Deficiency:

Papery white (complete whiteness of leaves)

Yellowing of groundnut

White eye of rice

Leaf bleaching in sugarcane

Ivory white of paddy

Toxicity:

Browning of rice

Bronzing in leaf blade rice (>300 ppm)

8. Manganese (Mn)

Deficiency:

Sugarcane blight

Pahlala blight of sugarcane

Marsh spot of pea

Grey speak of oat

Speckled yellow of sugarcane

Frenching of tung tree

Water core in Brassica

Spotted yellow diseases in sugarbeet

Toxicity:

Crinkle leaf of cotton

9. Zinc (Zn)

Deficiency:

Mottle leaf of cotton

White bud of maize

Khaira disease in rice

Little leaf in citrus brinjal & mango

Fern leaf disease of potato

Mottle leaf & frenching in citrus

Bronzing in Guava

Bunchy disease in peanut

Trenching on citrus

10. Copper (Cu)

Deficiency:

Exathema in citrus

Dieback of shoot in citrus

Reclamation diseases in cereal (acid soil)

Stem melanosis in wheat

Little leaf of citrus

white tip in cereals

11. Molybdenum (Mo)

Deficiency:

Yellow spot of citrus,

Whip tail of cauliflower (rat disease)

Toxicity:

Molybdnosis (>5 ppm in animal) (imbalance of Mo & Cu)

12. Boron (B)

Deficiency:

Heart rot of  sugarbeat & marigold

Yellow tip of  alfa-alfa

Brown heart of  turnip, radish & tablebeet

Yellowing & rosetting in lucerne

Snake heart in walnut

Die back in apple

Fruit cracking

Orking & pitting of fruit in tomato

Brownzing of curd in cauliflower

Black tip of mango

Internal necrosis of  aonla

Hen & chicken diseases in grapes

Hollow heart or heart rot of sugarbeat

Hollow stem in cauliflower

Top sickness of tobacco

Internal cork of apple

Browning in cauliflower

Puffiness in tomato

Canker of tablebeat

Water corn of turnip

Black measles of apple

Corking of apple

Crown choking in coconut