Oak Tree
Oak Tree
Black Oak Tree
The Black Oak
The Black Oak is more commonly known as the California Black Oak, and is sometimes referred to as Kellogg Oak. This oak belongs to the red oak family and is originally from western North America. It is closely related to the same species found in eastern and central North America
This tree is deciduous and generally grows to be anywhere from 9 to 25 meters in height, with a diameter of around 1.4 meters. Larger trees can actually be 36 meters tall and 1.6 meters in diameter. If the plant grows on a poor site, it will form a scrub instead.
Black Oaks that grow in open areas have a broad, rounded crown, and its lower branches will droop low enough to touch the ground or form a browse line. If they grow in closed stands, the crown will be slender and narrow while the trees are young and then be somewhat irregularly broad once they grow old.
Appearance
The trunks of the black oak are usually forked and in older trees they tend to decay and be hollow. Younger trees have very thin, smooth barks that grow to be moderately thick, platy and deeply fissured with age.
This oak can grow one or more vertical roots which penetrate through bedrock using the laterally spreading roots that appear from vertical ones. There are also plenty of surface roots.
The acorns that come from these trees are quite large for the species. The leaves are quite deeply lobed. These trees can live to be at least five hundred years old.
Flowering and Fruiting
This species of oak is monoecious, so that the flowers and catkins develop and emerge before or almost at the same time as the leaves, during April or May. The fruit is in the form of an acorn and occurs either alone or in clusters ranging from two to five. It matures in two years. The acorns are brown when they are mature and tend to become ripe during August or late October depending on where the tree is located.
Ecology
The black oak is extremely critical to many forms of wildlife. In Californian rangelands and forests, oaks are the most important food source for wildlife, while also providing shelter. These trees occupy more of the total area in California than all other species of hardwood. Livestock, too, make use of the black oak for their food and cover during the hot summer months.
The Black-tailed Deer and Western Gray Squirrel get almost fifty percent of their winter and fall diets from the acorns of these black oak trees. These acorns are so important that depending on the size of the crop, fawn survival rates can increase or decrease.
Uses
The acorns given by this oak is preferred over those of other species when it comes to making acorn meal. The wood from this oak is used to make furniture, pallets, cupboards, and high grade lumber and industrial timbers. It can also be used as fuel wood. This species of black oak makes up twenty nine percent of California's hardwood timber sources, and most of the lumber there is sawn from this hardwood.
About the Author
http://www.tnnursery.net
a wholesale nursery.
What genus (?) of Oak tree would I be able to plant from seed that would be called typically American?
There are more than a dozen sub-species of Oak Tree that can be grown from seed but I don't want to try to grow them all. I am interested in growing a type that would represent a typical American type. Perhaps one that is more common than the others or one that has, by chance, been grown typicallty by the Founders, or by colonists in general. I would like to grow one that is available that is advertised as being from a tree once belonging to George Washington, or one of the other prominent Founders. Has anyone heard of that seed being available for purchase, and where?
You should check with your local Master Gardener chapter (found through your county extension office or local ag university) and they can help you. I could name some oak species but there's so much more to it... do you have soil appropriate for an oak? What about room? Enough or too much water? The reason I bring this up is because here in Texas too many people plant inappropriate trees then hate them later because they're too big, require too much water, get chlorotic because we have alkaline soil with no iron, etc. And if you're willing to amend the soil if necessary and really nurture the tree (and provided your winters are not too harsh for it, as in Arctic tundra harsh) then you can grow anything.
Oak Tree
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Oak Trees and Galls
There are many types of oak trees that are native to Texas and all of America, and there are many diseases that are specific to and affect oak trees. Galls are one such form of disease that affects oaks. However, before you think of worst-case scenarios regarding your oak trees, there are some interesting facts pertaining to galls that you should know. Let‘s examine them here.
First, what is a gall? A gall is a growth which can be found on several parts of trees, including the leaves, twigs, flowers, and roots. This growth is produced when certain species of insects deposit their eggs into any of these parts of the tree. (Galls may also be produced by fungi or bacteria). Commonly known insects who do this include wasps, mites, and flies. The galls are formed as a result of a chemical reaction between the larvae and the tree, and their onset is most commonly seen during the spring when budding begins. Once the gall is formed, the larvae feed on the tissue contained within it until they are fully developed and emerge as adults.
It is difficult to say how to treat galls, as they can be produced by several variety of organisms. Since they are well-hidden within the confines of the gall, identifying the organism residing therein is equally as difficult. Some research indicates that preventative spraying may help. However, the insects responsible for the galls may vary from year to year. This can make knowing which chemical repellent to use equally as difficult.
Another interesting and rather puzzling fact regarding galls is that although they are technically categorized as a tree disease, affected trees are generally unscathed by them. In other words, the presence of galls will not typically kill a tree. In fact, the presence of galls hardly warrants any efforts to control at all. Perhaps the most common repercussion of galls is that a large number of them on a particularly weak anatomical location, such as a leaf or a small twig, may cause it to fall from the tree. Often, it is the loss of leaves at an unconventional time that is one's first indication a tree may be "sick." To reiterate, the onset of galls is typically during spring, and seasonal shedding of leaves is not common until autumn. Once one takes notice of the falling leaves and investigates further, the galls, which typically appear on the underside of the leaves, are discovered.
Galls can be removed by hand. They are also often easily removed by the elements, such as wind and rain, after the bulk of it is removed as a result of the larvae's feeding and certainly after the organism emerges as an adult. If the galls are particularly unsightly to you, consider contacting an http://www.centraltexastreecare.com/"title="Austin</a> Tree Trimming">Austin tree trimming specialist, who may be able to assist you aesthetically.
Galls that are brown in color, hollowed, and dried out are so from providing nourishment to its inhabiting organism. Once the adult has emerged, galls will contain small holes through which the adult insect emerged. These are signs that the gestational cycle involving the gall is complete.
If you have a tree that you believe is affected by galls, but aren't quite certain, contact an Austin tree removal professional. If your tree is affected by galls, chances are any damage will be minimal. However, if your tree is affected by something else, it is best to have a professional diagnose the disease as quickly as possible so corrective measures can be taken and your investment can be preserved.
About the Author
About the Author: Andrew Johnson is the owner of Central Texas Tree Care, a leading tree service provider in Central Texas (Travis County and surrounding areas) offering services such as pruning and removals, cabling and bracing as well as arborist reports, diagnostics, pest management, fertilization and http://www.centraltexastreecare.com/"title="Austin</a> Tree Service">Austin tree service trusts. For more information please visit http://www.centraltexastreecare.com.
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Oak Tree