Video: Dangerous Corner: How To Protect Trees From Breaking
2024 Author: Sebastian Paterson | [email protected]. Last modified: 2023-12-16 13:47
Who of the gardeners and summer residents is not familiar with the picture: the harvest is ripening on an apple tree, and suddenly, under the weight of the fruits, one branch breaks off completely or sags.
Experienced gardeners will say: it was necessary to put a support under this branch in a timely manner, and the trouble would not have happened.
This is true. But it was possible to prevent a break earlier, because the small angle of branch departure from the trunk is to blame.
Branches extending from the trunks at an acute angle, less than 40 °, as well as stepchildren and two-vertex trunks (see photo) - are potentially prone to fractures, especially under load.
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And here the impact of a large harvest, or strong winds, heavy snowfalls, etc., can affect. The reason is the ingrowth of bark sections into the fork from above, and as a result, poor accretion of the branch and trunk wood in this place.
Of course, such faults do not always occur. They are especially unlikely at a young age. But the older the tree, the higher the probability of breakage. And the harm and danger of death from the resulting wounds is greater.
Very often it is not possible to heal such significant damage. Spores of pathogenic fungi caught in the wound cause rot, and after a few years the tree dies.
But even if this does not happen, then as a result of the break, the crown becomes one-sided, ugly, i.e. its aesthetic effect decreases. And for fruit crops, the yield is noticeably reduced for many years.
To avoid this, it is best not to let such branches grow right away - to cut them out. Or, if it is still possible, bend it back. And adults, potentially dangerous or already starting to break off the trunks and branches, must be carefully fastened with bolted connections.
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To do this, drill through the branches and trunks at the place of their accretion, insert a bolt of the required length and tighten it with a nut.
Before this, the branch, stepson or trunks should be pulled (pull off the break) and temporarily fixed in the desired position with a rope or wire. After that, it is imperative to counter the tightened nut with the second, the same one.
After that, it is better to cut off the excess part of the bolt, and cut the threads so that they do not spontaneously unscrew when the tree sways under the pressure of the wind. And only after that you can remove the harness, and cover the crack with garden pitch.
There is an even better way - to fix a fragile branch using the bio-chatting method, connecting and splicing suitable branches in the shape of a triangle, or, if there is no such branch to create such a rigid structure, grafting a stalk to connect it to the appropriate place.
Also read:
• How and how to treat trunks and branches if your garden has suffered from rodents and frost
• Why cracks appear on the trunk and how to deal with them
• Treatment of fruit trees after gnawing
• Revitalization of frozen or broken plants
• How to save trees affected by frost
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