Symptoms
Zn deficient plants are stunted and have twisted, outward bending leaves
Reasons
Zinc Deficiency
Young plants are particularly sensitive to Zn deficiency.
Problems are more common on high pH or calcareous soils or during cold, wet weather.
Onions - Deformation
Symptoms
Zn deficient plants are stunted and have twisted, outward bending leaves.
Younger leaves have a faint chlorosis and yellow striping. (Photograph: garlic)
Reasons
Zinc Deficiency
Young plants are particularly sensitive to Zn deficiency.
Problems are more common on high pH or calcareous soils or during cold, wet weather.
Zinc deficiency made worse by
Organic soils
High pH soils
Soils rich in phosphorus
Soils receiving high phosphorus application
Cold wet conditions
Zinc is important for
Photosynthesis
Function of growth regulators for internode elongation