苹果 - Deformation
症状
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.
原因
Severe zinc deficiency
苹果 - Shortening of internodes
症状
Typical symptoms of zinc deficiency are "little leaf" and "rosetting", caused by short internodes.
原因
Severe zinc deficiency
Zinc deficiency使变得更糟
- Organic soils
- High pH soils
- Soils rich in phosphorus
- Soils receiving high phosphorus application
- Cold wet conditions
锌很重要
- 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
对于锌雅苒推荐的产品是
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.
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