Some pear trees, especially young and vigorous trees, do not see fruit at the fruiting stage. Even if they bear fruit, the yield is very low, and the yield is delayed. This is due to the strong trunk nature of the pear, the obvious top advantage, the high germination rate of the young trees, the low branching rate, and the variety. In order to make Wangchang low-yielding pears high-yield, summer pruning work should be done well.
The suitable time for pear summer pruning is generally from June to July. The technical points are as follows:
For varieties with weak branches, such as Ya pear and Su pear, the upright and prosperous branches of young trees such as competing branches and long branches can be topped to control their growth and promote them to become the fruiting backbone branches.
For varieties with strong branching ability, such as Qiubai, Jingbai, etc., its leggy branches, competing branches, and upright branches can be pruned by a combination of thinning and short cutting. The thinning of branches is mainly to thin out dense branches, and re-cut the branches that have room for development. It is advisable to leave 3 to 5 leaves at the base of the cut branches.
For large-year pear trees that have entered the fruiting period, the long side shoots should be lightly topped to promote the formation of fruit branches and increase the yield in the small years.
For young pear trees that have entered the slow growth period, their long branches and upright branches on the back can be heavy and short, and the thin and long branches that did not bear the year can be properly retracted to save nutrients, promote flower formation and early fruit bearing. In addition to a small number of oblique branches, you can thin out the upright branches on the trunk, or change the angle of the branches by bending the branches, leaving 15 cm toppings for the competing branches and the upright branches in the growing period.
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