Hollow Trees
Hollow trees usually occur due to rotting organisms penetrating the tree and attacking the heartwood. However, since heartwood doesn't provide any water or food movement (it might, on some trees, be used as food ... [... more]
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Galls
A gall is an abnormal development or out growth of plant tissue resulting from an irritation produced by bacteria, fungi, or insects. They take on many shapes, sizes and colors. Abnormal warts, swellings, and knots ... [... more]
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Topping
Avoid any tree professional who claims topping will reduce the height of the tree. If the height of the tree needs to be drastically reduced, the homeowner would be millions ahead by removing the tree completely and ... [... more]
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Tree -- Determining Sex
Flowers appear on most shade trees anywhere from 5 to 20 years after planting; blooms may appear on shade trees within 2 years after planting. ... [... more]
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Shade Plants -- Trees
Acer -- Maples Amur Paperbark Japanese Silver (?) Sugar Aesculus hippocastanum - HorseChestnut Albizia julibrissin (mimosa) -- Hardy? Alnus - Alder Betula - Birch Cercis - Redbud Cladrastis - Yellowwood Cornus - ... [... more]
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Maple -- Seeds
Heavy maple seed production can cause a silver, red or sugar maple to appear thin and sparse. Seed formation takes precedence over growth and until the seed falls, the amount of leaves on a tree can be small. ... [... more]
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Ginkgo -- Determining Sex
Many trees produced at nurseries are grafted male trees. Buds are removed from male trees and grafted on to the rootstock of a seedling ginkgo, eventually becoming the top growth. Tree will usually be marked as ... [... more]
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Stump Removal
Certain chemicals claim to have some effect in hastening the decomposition of trunks. Most contain bacteria and a source of fertilizer to quicken the stump's rotting. ... [... more]
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Dogwood -- Planting
Some growers, arborist and landscape professionals recommend planting trees slightly above ground level, with the soil slopping away from the trees. Make sure that no more than 1/3 of the root system is planted above ... [... more]
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Ginkgo -- Harvesting
Unfortunately, the female tree will produce a fruit coating surrounding the nut. When ripe, the fruit falls from the tree and proceeds to rot immediately, producing an odor similar to a sick school kid. ... [... more]
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Tree Injection
There are many schools of thoughts concerning tree injections. While research has shown that fungicides and certain nutrients (such as iron) can be placed into the tree's xylem quickly, it can't be ignored that holes ... [... more]
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Heartwood
Heartwood is a collection of dead xylem vessels making up most of what is classified as a trees or shrub's wood. While the xylem are classified as dead, they still may store some carbohydrates. ... [... more]
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