Tree protection is an important technology to ensure the longevity and high yield of fruit trees. It is necessary to specifically address the following three aspects of protection measures.
First, the treatment of trunk wounds caused by any reason should be timely protection, treatment, to prevent expansion, promote healing. First, the tissue around the wound was shaved and flattened with a knife to make the edge of the skin smooth and tidy, then sterilized with a 0.1% mercury-mercuring solution, or sterilized with a Bordeaux mixture or lime sulfur stock solution. In order to promote wound healing, apply 0.01% to 0.1% a-naphthylacetate ointment.
Second, to fill the tree hole some wounds due to poor protection, poor healing, causing xylem decay, the formation of tree holes. In severe cases, it also destroys the transmitting tissues, so that the water can no longer operate and the life of fruit trees is endangered. At this time, remedial measures must be taken promptly to prevent the tree holes from expanding. The method is to first remove the decayed wood inside the tree hole and the hole, disinfect it with chemicals, and then use cement gravel to add water to reconcile and fill the cave.
Third, hanging sticks and braces In order to avoid the wind and fruit weight to blow branches and cause tree lodging, in the use of correct pruning methods to improve the tree structure, based on the use of hanging branches and supporting branches of fruit trees Method to protect it. When there are too many results, a central pillar (close to the center trunk) is set up inside the canopy, and the rope is used to guide the branches to lift the branches so as to maintain the balance of the trees and prevent the wind from shaking off the fruits and breaking the branches. The hanging branch time is best carried out when the fruit begins to droop rapidly, and the branches are pressed down too late. The operation is inconvenient. The premature fruit is still small and it is not easy to choose the target. In the case of a short crown and a partial result, one can use the pillars to hold the big branches under heavy pressure, and the support point is consistent with the center of gravity of the big branch. Sometimes the trunk is tilted, and the ground stakes or pillars should be set up to prevent stretching.
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