Cauliflower - Chlorosis
Symptoms
Symptoms of magnesium deficiency start on older leaves. Chlorosis between the veins progresses from the margins to the middle of the leaflets. The veins remain green and white respectively.
Severe deficiency leads to necrotic spots between the veins.
Old leaves are stiff and prematurely fall down.
Causes
Magnesium deficiency
Magnesium deficiency made worse by
- Sandy soils
- Acidic soils
- Potassium rich soils
- Soils receiving high potash applications
- Cold wet periods
Magnesium is important for
- Increases photosynthetic activity maintaining good growth for high yields
- Improves storage quality
Yara recommended fertilisers for Magnesium deficiency
YaraVita MAGFLO 300
Cauliflower: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Read more about YaraVita MAGFLO 300
