Thinning
Fruit trees naturally drop excess fruit in early summer. This is sometimes referred to as the "June drop". However, nature sometimes needs a helping hand if fruit is going to fully ripen, and biennial cropping and broken branches from heavy yields are to be avoided. Therefore thin apples and pears in midsummer, unless fruit yields have already been seriously reduced by early frosts. Do this for apples by removing the king apple, which is the fruit at the centre of the cluster of fruit and is generally misshapen. Thin dessert apples to leave one or two fruits every 10-12cm (4—Sin), and cooking apples to leave one fruit every 15-20cm (6-8in). On free-standing pear trees, thin fruits out to two fruits every 10-12cm (4—Sin), and on restricted forms such as cordons and espaliers to one fruit every 10-12cm (4—Sin).
Watering
Water apples and pears during dry spells and from when the fruit starts to swell, particularly if they are newly planted or on restricted root stocks. The most effective method of doing this for rows of fruit trees is to place a drip line or seep hose under the trees. Large, established trees will be more resistant to periods of drought.
Feeding
In early spring, sprinkle a balanced general fertilizer n early spring around the root zone, following the manufacturer's instructions.
Maypoling
Trees heavily laden with fruit may require support as the fruits swell and develop. Maypoling is a popular method with spindle trees , whereby strings are looped around the centre of the branches and tied upwards to the top of the posts. Alternatively, stake individual branches if they look as though they may break.
Summer pruning
To stimulate fruit bud initiation, cut back any over vigorous trees in late summer. (Winter pruning encourages vegetative growth.) Restricted forms such as cordons, fans, and espaliers should also be pruned in late summer.
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