In young and vigorous trees, this process may not seem to occasion any injury. But trees growing feeble by age will soon manifest the result of this injudicious practice, by blackened stumps, by cankered sores, and by decay.
If one must begin to do something that looks like spring-work, let him go at a more efficient train of operations. With a good spade invert the sod for several feet from the body of the tree. With a good scraper remove all dead bark. Dilute (old) soft soap with urine; take a stiff shoe-brush, and go to scouring the trunk and main branches. This will be labor to some purpose; and before you have gone through a large orchard faithfully, your zeal for spring-work will have become so far tempered with knowledge, that you will be willing to let pruning alone till after corn-planting.
Two exceptions or precautions should be mentioned.
1. In the use of the wash; new soap is more caustic than old; and the sediments of a soap barrel much more so than the mass of soap. Sometimes trees have been injured by applying a caustic alkali in too great strength. There is little danger of this when a tree is rough and covered with
dead bark or dirt; but when it is smooth and has no scurf it is more liable to suffer. Trees should not be washed in dry and warm weather. The best time is just before spring rains, or before any rain.
2. Where fruit-trees are found to have suffered from the winter, pruning cannot be too early, and hardly too severe. If left to grow, the heat of spring days ferments the sap and spreads blight throughout the tree; whereas, by severe cutting, there is a chance, at least, of removing much of the injured wood. We have gone over the pear-trees in our own garden, and wherever the least affection has been discovered, we have cut out every particle of the last summer’s wood; and cut back until we reached sound and healthy wood, pith and bark.
SLITTING THE BARK OF TREES.
This is a practice very much followed by fruit-raisers. Downing gives his sanction to it. Mr. Pell (N. Y.), famous for his orchards, includes it as a part of his system of orchard cultivation. Men talk of trees being bark-bound, etc., and let out the bark on the same principle, we suppose, as mothers do the pantaloons of growing boys. We confess a prejudice against this letting out of the tucks in a tree’s clothes. We do not say that there may not be cases of diseased trees in which, as a remedial process, this may be wise; but we should as soon think of slitting the skin on a boy’s legs, or on a calf’s or colt’s, as a regular part of a plan of rearing them, as to slash the bark of sound and healthy trees. Bark-bound! what is that? Does the inside of a tree grow faster than the outside? When bark is slit, is it looser around the whole trunk than before? When granulations have filled up this artificial channel, is not the bark just as tight as it was before? Mark, we do
not say that it is not a good practice; but only that we do not yet understand what the benefit is.