Broccoli - Chlorosis
Symptoms
Young leaves show yellogreen mottling, caused by interveinal chlorosis. Leaf blades are enlarged.
Causes
Manganese deficiency
Over-liming, the occurrence of very loose, highly aerated soils and also drought render Mn less available. Crops grown in high organic matter, in peat soils or substrates also suffer from poor Mn availibility.
Broccoli - Chlorosis
Symptoms
Young leaves show yellogreen mottling, caused by interveinal chlorosis. Leaf blades are enlarged.
Causes
Manganese deficiency
Over-liming, the occurrence of very loose, highly aerated soils and also drought render Mn less available. Crops grown in high organic matter, in peat soils or substrates also suffer from poor Mn availibility.
Broccoli - Chlorosis
Symptoms
Young leaves show yellogreen mottling, caused by interveinal chlorosis. All leaves are a paler green than normal. Leaf blades are enlarged.
Causes
Manganese deficiency (right)
Over-liming, the occurrence of very loose, highly aerated soils and also drought render Mn less available. Crops grown in high organic matter, in peat soils or substrates also suffer from poor Mn availibility.
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
Broccoli: 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
