Iron deficiency-Apples | Yara New Zealand

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Nutrients

Apples - Chlorosis

Symptoms
Symptoms always start at youngest leaves with yellow green, later lemon yellow and pale yellow interveinal chlorosis. Main veins still remain green. At strong deficiency veins become chlorotic too and necrotic areas appear near leaf margin. Severe deficiency produces symptoms at older leaves too. Often young shoots of one tree are different in grade of damaging.

Reasons
Severe Iron deficiency May be confused with magnesium deficiency. But magnesium deficiency produces symptoms at older leaves first.

Apples - Chlorosis

Symptoms
Symptoms always start at youngest leaves with yellow green, later lemon yellow and pale yellow interveinal chlorosis. Main veins still remain green. At prolonged deficiency veins become chlorotic too and necrotic spots appear in the chlorotic area of the leaves. Flowers also show necrotic blotches.Later symptoms extend to older leaves. Often young shoots of one tree are different in grade of damaging.

Reasons
Severe Iron deficiency

Apples - Chlorosis

Symptoms
Symptoms always start at youngest leaves with yellow green, later lemon yellow and pale yellow to whitish interveinal chlorosis. Main veins still remain green. Often young shoots of one tree are different in grade of damaging.

Reasons
Severe Iron deficiency May be confused with magnesium deficiency. But magnesium deficiency produces symptoms at older leaves first.

Iron deficiency made worse by

High pH
Water logged soils
Calcareous soils
High copper, manganese or zinc soils

Iron is important for

New growth is healthy and vigorous
Fruit quality and yield may be improved

Yara recommended fertilizers for Iron

YaraTera REXOLIN APN

Other recommended products

YaraTera REXOLIN D12