Apple tree ring around eight errors

First, improperly targeted girdling The tree that is suitable for girdling is a tree with strong callus ability, flowering difficulty, and age-inefficient varieties and growth potential. It must not divide the species and tree vigor.

Second, improper girdling time The appropriate circumcision period should be from late May to early June, when the fruit tree bud physiological differentiation period begins, circumcision too early, affect the normal growth of new shoots, circumcision too late (after July ), the wound was difficult to heal.

Third, improper girdling of the girdling area should be carried out on the smooth part of the backbone of the backbone 15-30 cm from the central or lateral branches, must not circumcision in the trunk to prevent the tree potential extremely weak.

Fourth, after ripping irregularly girdling must pay attention to aligning ripping, can not make it misplaced, stripping mouth width should be the same, and the incision can not be burrs to facilitate wound healing.

Five, knife wound too deep can not be too hard to circumcision, requiring only to cut the phloem, not to damage the formation layer and xylem, in order to facilitate wound healing, to avoid injury after xylem caused by the formation of black wounds in the branches, affecting the tree skeleton structure The firmness.

6. The appropriate width of girdling for stripping the mouth is 1/15-1/10 of the diameter of the stripped part of the stripped part, and the maximum width is not more than 5mm, rather narrower than wide.

VII. Peeling off the applicators Some growers are worried that the girdling sites are infected with rot germs. Therefore, some drugs such as Formamide, arsenic, and the like are applied to the excision, resulting in dead trees (branches). The excision wounds should not be randomly coated to facilitate the smooth healing of the wound.

VIII. After improper girdling after peeling, if the peeling does not heal within 1 month, use plastic film to wrap to promote rapid healing of the wound; after girdling, the management of fertilizer and water in the orchard should be strengthened; Three 0.4%-0.5% urea solutions and 0.2%-0.4% potassium dihydrogen phosphate were added to supplement the tree's nutrition.

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