The Latest Timing and Method for Girdling Walnut Trees Explained in Detail

Walnut is one of the common nut-bearing fruit trees, and walnuts also have the effect of nourishing the brain, while in production farmers often use the technique of girdling to increase walnut yields. So how should walnuts be girdled? Follow along with the editor to learn about it.

1. Timing for girdling walnut trees

Walnuts have extremely strict requirements for girdling; it is not that girdling can be carried out at any time of the year. The most suitable time for girdling walnut trees is May to June each year. Girdling too early or too late will cause considerable harm to the walnut: girdling too early is not conducive to the growth of new walnut shoots, while girdling too late results in an inconspicuous yield increase, and the wound caused by girdling is difficult to heal.

2. Trees to be girdled

Although girdling has a certain yield-increasing effect, just like the timing of girdling, not all walnut trees can be girdled. Generally, walnut trees of the appropriate age are girdled, usually around 5-8 years old. Walnut trees within this age range have basically entered the adult stage, and most have begun to bear fruit, so girdling at this time has little impact on their growth. For trees with weak vigor or young trees, it is best not to girdle, otherwise their tree vigor will become even weaker, and in severe cases it may cause the branches and leaves to wither and die.

Girdling fruit trees requires relatively high technical skill. In actual operation, it is best to choose experienced personnel to carry it out. The girdling tool must be sharp and needs to be disinfected before girdling. The girdling position should be chosen on temporary branches, avoiding main branches of the trunk type. The width of the girdle is generally one-tenth or one-twentieth of the diameter of the girdled branch. The girdle cut should be smooth to avoid later healing problems, and the depth of the girdle should be to the xylem of the injured trunk. After girdling is completed, the wound should be wrapped with plastic film to prevent problems such as the wound being exposed to wind and rain and the invasion of pathogens, which can make the wound difficult to heal and lead to infection by pests and diseases. About one month after girdling, the wound can heal. If the wound has not yet healed, the plastic film needs to be removed promptly, and a fungicide should be applied to promote wound healing.

  The above is an introduction to the timing and method of girdling walnut trees. We hope it can help you. To learn more related knowledge, please stay tuned to us.