Prevention and treatment of non-healing of jujube tree mouth

First, the prevention of a non-healing mouth 1. Strictly open A procedure. We must grasp the "fire blaze" of open arms, seriously implement every operational measure, and do a good job in the prevention and treatment of nail beetles. 2. Early prevention, timely treatment. After armoring, it is necessary to check the healing of the mouth. During the inspection, if it is found that Healing is too early (10-15 days), use bamboo sticks to return to Armor 1, but care should be taken not to overweight. If you find that the Healing mouth is slow to heal (it can not heal normally after 20 days), it is necessary to wipe the mud in the mouth in time to promote Healing. 3. Water after opening. In a special drought year, irrigation is conducted 7-10 days before the opening of A, increasing the surface air humidity, reducing the evaporation of A mouth water, promoting the growth of callus, and promoting the healing of A mouth. Second, the treatment of a non-healing mouth 1. Stimulation healing method. More than 60% of the armor has been healed, and other trunks that have not been healed, and no more than 0.5 cm in width, are suitable for application of stimulation. Stimulus healing method is to use a sharp knife to scrape the fracture at the beginning to remove the insects and scrape the young tissue, but it does not damage the newborn tissue, and then use the gibberellin, 0.2% urea and 200 times pesticide solution and mud to wipe. On the mouth of A, it is wrapped and moistened with plastic cloth to stimulate it to grow callus again and communicate with each other to achieve the purpose of cure. 2. Live branch bridging method. In general, a damaged jujube tree in the mouth of the mouth of the mouth will sprout some roots in the mouth of the mouth. During the growing season, 2-4 roots will be taken. After the roots have grown thick, the two branches on both sides will be cut off. Bridge over the trunk above the mouth. 3. Lent bridging method. After the damage to the mouth of A, there is no root axillae under A mouth, and the upper and lower cuts are severe, and jujube trees that seriously affect the transportation of tree nutrients can be cured by lancing bridging. The lancing bridging method requires cutting thick branches from other trees for scioning, cutting both ends of the scion into the shape of a horse ear, and placing the upper and lower branches of the diseased tree trunk in suitable positions to scrape off the old skin and separate the above. The words "and" under the "L" shape cut the cortex deep into the xylem, the two ends of the scion were inserted, in order to make it firm, you can also use small nails to pin the ends, and finally strict dressing. 4. Paste grafting method. For jujube trees with a relatively young tree mouth and heavy damage, they can be cured by skin grafting. The method is to cut the upper and lower incisions at the top of the mouth and remove all the damaged skins up to the xylem with a sharp knife, exposing the new internal tissues of the trunk. The thickness and thickness of the trunks are similar to those of other trees. The big branch, stripping its bark, cut it into a thong equal to the incision at the mouth of A, and sticking it into the mouth of the damaged mouth along the direction of travel, and finally packing it tightly. Third, the evaluation of prevention and control effects and precautions In the production of unhealed phenomenon, should establish a concept of prevention than treatment. Practices over the years have shown that at a suitable period, due to age, tree vigor and open armor, each link in the strict opening operation can be completely avoided. Once there has been an unhealed appearance, different treatment methods must be determined for different situations so as to avoid minor injuries that are severely treated or severely injured. The test results of various control methods showed that the jujube tree with slight unhealed apes and no significant declining performance of the tree vigor was stimulated for 30 days after the armor was opened. It can heal completely after 30 days of treatment, basically maintaining the year. Tree growth and results. A damaged heavier mouth, healed less than 40%, the width of the disconnection is not less than 1.0 centimeters, the tree vigor began to significantly weaken the jujube tree, take graft grafting therapy, after 30 days, 84.2% grafted It can heal and survive, and the treated tree will stop for 1 year in the 2nd year and basically can completely restore the tree potential.

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