Potatoes - Chlorosis
Symptoms
Young leaves become uniformly yellowgreen.
Causes
Molybdenum deficiency
Young plants can show deficiency symptoms if seed potatoes were grown on soils with low Mo content.
Yellowing of leaf blades is similar to nitrogen or sulfur deficiency.
Molybdenum deficiency made worse by
- Acid soils
- Low pH
- Low levels of soil organic matter
Molybdenum is important for
- Nitrogen metabolism, pigment and chlorophyll synthesis
- Beneficial for growth and yield
Yara recommended fertilisers for Molybdenum deficiency
YaraVita MOLYTRAC 250
Potatoes: 0.5 l/ha between 100% emergence and tuber initiation. Water rate: 50-200 l/ha.
Read more about YaraVita MOLYTRAC 250
