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.
Causes
Severe zinc deficiency
Apples - Shortening of internodes
Symptoms
Typical symptoms of zinc deficiency are "little leaf" and "rosetting", caused by short internodes.
Causes
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
Yara recommended fertilisers for Zinc deficiency
YaraVita ZINTRAC 700
Apple: 1 to 2 l/ha at bud burst and at the end of flowering. Avoid treatment during flowering. A further application of 1 to 2 l/ha should be made after harvest but before leaf senescence. Water rate: 200-1,000 l/ha.
Read more about YaraVita ZINTRAC 700
