Sugar Beet - Deformation
Symptoms
The leaves are cupped upwards and the whole plant has an upright appearance. Younger leaves show chlorotic leaf blades, while the leaf veins and a small margin around them remain green.
Causes
Manganese deficiency.
Iron deficiency symptoms start like manganese deficiency as intercostal chlorosis on younger leaves, but only the veins remain green then, and not a margin around them.
A lack of Magnesium and Zinc causes similar symptoms, but occurs on older leaves first.
Sugar Beet - Deformation
Symptoms
Younger leaves show yellowing with intercostal chlorosis, while the leaf veins and a small margin around them remain green.
The leave margins are cupped upwards and the whole plant has an upright appearance.
Causes
Manganese deficiency.
Iron deficiency symptoms start like manganese deficiency as intercostal chlorosis on younger leaves, but only the veins remain green then, and not a margin around them.
A lack of Mg and Zn causes similar symptoms, but occurs on older leaves first.
Manganese deficiency made worse by
- Organic soils
- Sandy soils
- High pH
- Cold wet periods
- Fluffy soils
Manganese is important for
- Promotion of healthy foliage
- Increases beet yields
- Increased sugar levels
Yara recommended fertilisers for Manganese deficiency
YaraVita MANTRAC PRO
Sugar Beet: 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
