Protection of shade trees in cities and towns by Unknown

Author:Unknown
Language: eng
Format: epub, pdf
Tags: Trees, Trees, Ornamental trees
Publisher: [New Haven] : Connecticut Agricultural Experiment Station
Published: 1900-03-25T05:00:00+00:00

large trees netting fastened on the street side will usually be sufficient.

Mutilation by unskillful trimming. When the limbs of a tree are amputated, extreme care should be taken to make the cuts close to, and perfectly even with, the trunk. If the pruning is done in this manner, the wounds heal more quickly than if stubs of the branches remain, and after healing there are no unsightly bulges at the point of cutting. Care should further be taken that no bark is torn from the trunk, as often occurs when a heavy branch is removed. In order to avoid this evil, a cut should first be made on the under side of the branch at a distance of a foot or more from the trunk, and then the branch should be cut off just above the notch. The stub can then be safely removed and a perfectly smooth cut made.

After the removal of a branch the wound should be painted with a coat of coal tar. The painting of wounds of living branches may be done best after the activity of the sap has ceased, for at this season the coal tar will adhere most perfectly to the wood.

The trimming of dead limbs may be carried on at any season of the year, but extensive pruning of living branches should preferably be done when the trees are not in sap, for it has been shown by experiments that wounds made in the fall and winter tend to resist decay better than those made during the period of growth.

No recommendations can be made regarding the trimming of trees to improve the shape of their crowns, for this operation can only be carried out by a skilled forester or landscape gardener, who must treat each tree according to its individual requirements.

Mutilation by Wind Storms. Nothing can be done to protect our trees against the wind other than to keep them in as strong and thrifty condition as may be, thus giving them greater power of resistance.

5. Poisoning by Illuminating Gas. We have nothing at present to recommend other than that the police should report at once any suspected leakage of gas in the streets, both to the Board of Public Works and to the Gas Company, and that the latter should be required by the Board of Public Works at once to examine and repair if necessary.

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