Manganese deficiency-Cauliflower

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Nutrients

Cauliflower - Chlorosis

Symptoms
Interveinal fields of younger leaves brighten whereas the veins remain green. With ongoing deficiency youngest leaves turn completely yellow. Leaves are smaller than normal.

Reasons
Manganese deficiency

Cauliflower - Deformation

Symptoms
Symptoms of manganese deficiency are yellow mottling between leaf veins and crinkling of the young and medium leaves. Furthermore leaves roll or curl upwards. With ongoing deficiency the youngest leaves turn completely yellow.

Reasons
Manganese deficiency on leaves

Manganese deficiency made worse by

Organic soils
Sandy soils
High pH
Cold wet periods
Fluffy soils

Manganese is important for

Boosts growth
Ensures good crop quality with high sugar and vitamin C contents

Yara recommended fertilizers for Manganese

YaraVita MANTRAC PRO

Cauliflower: 1 l/ha from 4-6 leaf stage. For moderate to severe deficiency, repeat applications at 10-14 day intervals. Water rate: 200 l/ha.

YaraMila COMPLEX

Cauliflower: Standard Programme: Apply 400-600 kg/ha at pre-planting/planting and 200-250 kg/ha at 6 weeks stage. Fertigation Programme: Apply 400-600 kg/ha at pre-planting/planting