Iron deficiency

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Yellowing of younger leaves between the veins on iron deficient plant (J. O'Sullivan).


Death of growing points and necrosis on pale leaves (J. O'Sullivan).

Diagnostic summary

  • What you see on plants

- distinctive yellow or very pale chlorosis on young leaves, with green veins contrasting sharply.


 - tips in full sunlight are most affected.


 - necrosis may spread from tips and margins of chlorotic leaves.

- vine tip and axillary buds may die.

- purple-tipped cultivars become pink.

  • Frequently found on calcareous soils and  may also be expected on sandy soils, organic soils or acid soils.

  • Can be induced by heavy applications of lime.

  • If a pale leaf is painted with a solution of ammonium ferric sulfate, it will regreen in a few days.

Characteristics and occurrence


Confusion with other symptoms

Diagnostic tests




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