Digital Images Library of  Nutritional Problems

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molybdenum.jpg (18204 bytes)  

Molybdenum.  Uniform yellowing of young leaves and necrosis of older leaves. 

No symptoms on flowers, fruit or roots. 

nitrogen.jpg (13015 bytes)

 Nitrogen. Uniform yellowing without green-veining. 

   phosphorus.jpg (17923 bytes)

Phosporus.  Dark green color and black sheen on upper surface.  

Purpling of lower surfaces.  

potassium.jpg (18011 bytes)   

Potassium.  Symptoms begin with a tanning marginal scorch followed by a darkening and 

necrosis of the lower mid-rib area.            

sulfur.jpg (13579 bytes)

 Sulfur.  Uniform yellowing of leaves.  Older leaves and leaf stalks develop reddish color. 

 zinc.jpg (13339 bytes)

 Zinc. Basel narrowing of leaves occurs with yellowing, green-veining and green "halo" affect. 

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