By Edward F. Gilman
Good written and straightforward to appreciate, An ILLUSTRATED advisor TO PRUNING, 3rd version is a must have for a person attracted to the pruning and upkeep of timber. packed with up-to-date illustrations, images, and examples, this thoroughly up-to-date advisor is designed to assist readers comprehend and enforce definitely the right pruning practices which are important to constructing sustainable constitution within the first 25 years of a tree's lifestyles. assurance contains a number of information regarding the demanding situations linked to pruning equivalent to affliction prevention, root pruning, mature tree pruning, and recovery following storms. With its uncomplicated tables, lists, and techniques, this ebook is an beautiful source for horticulture, panorama and tree institutions and industries and is a traditional addition for botanic backyard and arboreta bookstores.
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Extra resources for An illustrated guide to pruning
When removing a branch from the trunk, cut along the dashed line on the branch side of the swollen collar tissue (a and b). Many branches do not form a distinct collar so there is a smooth transition from trunk onto the branch (c). On older trees, trunks form large collars around the base of small branches (d). On some species, this usually indicates a slow-growing or dying branch. Make the pruning cut between the two arrows (d and e). Branches with bark pinched between the trunk and the branch (included bark) have no collar and no branch bark ridge and therefore are pruned differently (f and g).
This large wound can weaken the trunk and initiate cracks and (a) Weak structure Strong structure (b) (c) FIGURE 2-4. (a & b) Weak unions have bark included between the codominant stems. (c) Strong unions are wider, without included bark. FIGURE 2-5. (a) Round-shaped (decurrent) trees may form poor structures and can break apart if not pruned regularly when young. (b) This often creates a large wound in the trunk. Trees with this extensive damage usually require removal. (b) (a) (a) FIGURE 2-6.
This makes for a strong union. There is no overlapping wood in the union of codominant stems (right). Except for epicormic sprouts that form from superficial latent buds in the bark, a branch that is small compared to the trunk is usually deeply embedded in the trunk. That is what gives the branch union its strength. This deep embedding occurs when wood from the branch in the spring grows partially over last year’s trunk tissue at the base of the branch (Figure 3-8 left). Then the trunk wood on some trees overlaps the branch base later in the growing season.
An illustrated guide to pruning by Edward F. Gilman