How to decrease alfalfa greening in pears
Alfalfa greening is a disorder which causes dark-green, slightly sunken spots on the skin of pears. A balanced crop nutrition is essential to minimize alfalfa greening occurrence.
Calcium reduces alfalfa greening
Alfalfa greening is associated with over-use of nitrogen and poor calcium supply to the fruit.
Pears need twice the calcium amount in the fruit of the amount needed by any other pome fruit. Correct calcium nutrition has been shown to minimize the incidence of alfalfa greening, among other disorders.
Recommended fertilisers for apples
Related articles
How to increase apple yield
Balanced nutrition is needed to achieve high yields. High yields are a function of fruit number and fruit size. To obtain high apple yields it is important to achieve the right balance of fruit numbers on the tree.
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
Apple nutrient requirements
Apple nutrient requirements vary depending on the crop growth stage. Find out which nutrients are most important at different growth stages.
How calcium affects pear quality
Calcium is critical in pears, and fruit concentrations need to be double that acceptable for apple.
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.
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