Copper deficiency-Potatoes | Yara New Zealand

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Nutrients

Potatoes - Deformation

Symptoms
Copper deficiency causes permanent wilting of plants. Particularly young leaves roll in. Leaf tips and margins may drie off without preceding chlorosis.

Reasons
Copper deficiency on leaves Normally potatoes are not sensitive to copper deficiency. Symptoms are seldom visible in the field.

Potatoes - Deformation

Symptoms
Copper deficiency causes permanent wilting of plants. Particularly young leaves roll in.

Reasons
Copper deficiency on leaves Normally potatoes are not sensitive to copper deficiency. Symptoms are seldom visible in the field.

Copper deficiency made worse by

Organic soils
Chalky soils
Sandy soils
Reclaimed heathland
High nitrogen applications

Copper is important for

Healthy green foliage
Improved yield

Yara recommended fertilizers for Copper

YaraVita COPTRAC 500

Potatoes: 0.5 l/ha applied 7 to 14 days after 100% emergence and following petiole analysis during tuber bulking. Water rate: 200 l/ha (30 l/ha for aerial application).