Tomato - Wilting
Symptoms
Affected plants look less vigorous; they have less foliage with reduced leaf blade.
Intercostal leaf areas may become pale green with whitish to yellow-brown necrosis.
Causes
Copper deficiency (left)
Copper deficiency vs. optimum made worse by
- Organic soils
- Chalky soils
- Sandy soils
- Reclaimed heathland
- High nitrogen applications
Copper is important for
- Photosynthesis
- Enzyme process
- Manufacturing lignin
- Protein synthesis
