Sója - Deformation
Sintomas
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.
Causas
Copper deficiency
Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.
Sója - Chlorosis
Sintomas
Several leaf blades in the upper and medium height show yellow discolorations, starting from the leaf margins and proceeding towards the leaf base.
Causas
Copper deficiency
Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.
Sója - Deformation
Sintomas
Some leaf blades in the upper and medium height show irregular yellow discolorations. In the present case, an interveinal chlorosis produces a mottled appearance.
Causas
Copper deficiency
Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.
Copper deficiency piorado por
- Organic soils
- Chalky soils
- Sandy soils
- Reclaimed heathland
- High nitrogen applications
Cobre É importante para
- Component of enzymes
- Important role in photosythesis and phenol metabolism of plants
- Regulation of destructive superoxide radicals inside cells
- Prevention of fungal diseases
