Sojauba - Deformation
Sümptomid
Some leaf blades in the upper and medium height show irregular yellow discolorations, starting from the leaf veins. In the displayed photo, the interveinal fields remain green.
Põhjused
Copper deficiency
Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.
Sojauba - Chlorosis
Sümptomid
Several leaf blades in the upper and medium height show yellow discolorations, starting from the leaf margins and proceeding towards the leaf base.
Põhjused
Copper deficiency
Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.
Sojauba - Deformation
Sümptomid
Some leaf blades in the upper and medium height show irregular yellow discolorations. In the present case, an interveinal chlorosis produces a mottled appearance.
Põhjused
Copper deficiency
Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.
Puudust süvendab
- Organic soils
- Chalky soils
- Sandy soils
- Reclaimed heathland
- High nitrogen applications
Vask on oluline
- Component of enzymes
- Important role in photosythesis and phenol metabolism of plants
- Regulation of destructive superoxide radicals inside cells
- Prevention of fungal diseases
