Copper deficiency-Potatoes | Yara United States

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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
Calcareous soils
Sandy soils
Reclaimed heathland
High nitrogen applications

Copper is important for

Healthy green foliage
Improved yield

Yara recommended fertilizers for Copper

YaraVita® MANCOZIN™

Potatoes: 1 pt/acre at one week after 100 percent emergence and following petiole analysis during tuber bulking. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Water rate: 3 to 25 gallons per acre.