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.
Causes
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.
Causes
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 fertilisers for Manganese deficiency
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.
Read more about YaraVita MANTRAC PRO
