Iron is required for enzyme and chlorophyll production and is essential for plant development and metabolism. It causes typical color patterns in leaves - leaves turn yellow, but the veins of the leaves stay green. Chlorosis usually occurs in newly emerging leaves. Other symptoms include poor growth, leaf loss, and poor fruit quality and quantity.
Signs of damage:
Yellowing (Chlorosis) occur in the newly emerging leaves instead of the older leaves and usually seen in the interveinal region Fruit would be of poor quality and quantity. Chlorosis occurs in younger leaves because iron is not a mobile element, and as such, the younger leaves cannot draw iron from other areas of the plant. Over time, the yellowing may even turn a pale white or the whole leaf may be affected. Iron deficient plants may overaccumulate heavy metals such as cadmium. Any plant may be affected, but raspberries and pears are particularly susceptible, as well as most acid-loving plants such as azaleas and camellias.
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