Apples - Deformation
Symptoms
Typical symptoms of zinc deficiency are "little leaf" and "rosetting", caused by short internodes.
Leafs are small, longish and partly yellow in colour.
Often interveinal chlorosis is visible.
Reasons
Severe zinc deficiency
Apples - Shortening of internodes
Symptoms
Typical symptoms of zinc deficiency are "little leaf" and "rosetting", caused by short internodes.
Reasons
Severe zinc deficiency
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
- Combats chlorisis and premature leaf fall
- Improves resistance to cold weather and late frosts
- Improves bud development
- Improves flowering
- Improves fruit set
- Gives better skin finish
- Reduces storage disorders
