53 results about "Clean wounds" patented technology

The invention discloses a method for repairing sick and disabled branches and trunks of fruit trees by utilizing germinal branches on branches and trunks. The method comprises the steps that in the period between March and May, the fruit trees enter a tree sap flowing period, repairing is conducted; sick and disabled wounds of sick and disabled dry branches are cleaned; scab part bark layers are cut off by a cutter, fresh wounds are generated on the edges of the scab parts, the upper ends of the wound edges are cleaned, old barks are cut away, new barks can grow, and the wounds are smeared with a layer of mixed paint; the upper edges of the cleaned wounds are cut into incisions in a shape like the Chinese character of 'ding'; the characteristic that many resting buds can germinate at the lower ends of the fruit tree wounds is utilized to cut back coppice shoots at the lower ends of the fruit tree wounds, short piles are reserved to promote the germination of a plurality of coppice shoots, and a plurality of new branches on the short piles are guided to the upper ends of the damaged parts of fruit trees for successive cuttage grafting one by one; cuttages are subjected to the cottage grafting in the incisions in the shape like the Chinese character of 'ding', and the cuttages and trunks are closely bound through small nails or bandages. After the cuttages survive, the small nails are pulled out, and the plastic binding strips are unfastened. The method is simple in operations, cannot damage trees, and makes the fruit trees keep high yield.