แอปเปิ้ล - Deformation
อาการ
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.
เหตุผล
Severe zinc deficiency
แอปเปิ้ล - Shortening of internodes
อาการ
Typical symptoms of zinc deficiency are "little leaf" and "rosetting", caused by short internodes.
เหตุผล
Severe zinc deficiency
Zinc deficiency แย่ลงเพราะ
- Organic soils
- High pH soils
- Soils rich in phosphorus
- Soils receiving high phosphorus application
- Cold wet conditions
สังกะสี สำคัญสำหรับ
- 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
ยาราขอแนะนำ สังกะสี
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.
อ่านเพิ่มเติม YaraVita ZINTRAC 700
