Answer: Cut off the branches with no or no result ability, remove the cross sticks, dense sticks, overlapping sticks and thin and weak branches to facilitate air and light transmission. Determine the length of cuts for the leggy branches and decide the length of the cut. Large, long-established perennial leg buds can be cultivated into stem branches; dead branches, pests and branches are all sawn, sawing should be as good as possible to saw branches, saw cut mouth should be flattened and coated in order to avoid wound infection and rot; The branches of 1 to 2 years of development on the stems of the branches can be cut according to the size of the space, generally leaving 4 to 6 secondary branches, and they can be cultivated into robust branches; the aging branches should be updated and rejuvenated, and the aging branches should be Should be retracted 1/3 ~ 1/2, the diameter of the clipping site of the retraction should not exceed 5 cm, the need to leave up the dormant buds or the results of the mother of the branches, the results of aging sticks should be fully retracted or sparse In addition, the more complete branches can be cut 1/2~1/3, triggering new branches.
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