What is the role of copper in apple production?
Copper is required for chlorophyll synthesis and is a constituent of enzymes responsible for the reduction of molecular oxygen.
Copper deficiencies in apples
Terminal leaves develop brown necrotic areas, curl upwards and become distorted. This disorder is known as ‘wither tip’ or ‘summer die-back.’
Severe deficiency results in cracking of the bark and profuse sucker development from the tree base.
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Apple and pear nutritional summary
Most nutrients are stored and retained as reserves in tree buds, bark and roots. These are then remobilized after winter to fuel leaf growth, flower bloom, fruit formation and growth.
Apple agronomic principles
The aim of every apple grower is a high yield of top quality fruit and there are a large number of agronomic factors which can influence this, many of which are within their control given their specific growing systems and climatic/soil conditions.
Apple nutrient requirements
Apple nutrient requirements vary depending on the crop growth stage. Find out which nutrients are most important at different growth stages.
Apple crop nutrition programme
Yara's apple fertiliser recommendations and crop nutrition programmes can help you to achieve excellent growth and maximise the yield and quality of apples.
Identify and diagnose apple nutrient deficiencies
Identify and diagnose if your apple trees are suffering from nutrient deficiencies and learn more about the symptoms and causes and how to control or correct the deficiency
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