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Our licensed and insured Memorial Houston Arborist company is a sister company to ArborTrue and provides complete tree services in Memorial City such as tree trimming, removal, pruning, thinning and stump grinding plus deep root feeding and a range of tree trunk injection treatments. Memorial Arborist are your total tree care professionals!
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The Splendor of autumn
Have you ever noticed every autumn we can be at awe in the beauty of the bounty of colors that come during the Fall. The miniature of purples, reds, yellows, and orange is a result of a process of chemical change that takes place in the as the season changes from winter to summer. |
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Around the time when spring and summer arrive the leaves have served as factories where the most of the nutrients and necessities for a tree’s growth are created. This process takes place due to the leaf numerous cells which contain chlorophyll, which give the leaves their green color. This extraordinary chemical process, absorbs the sunlight, and then turns it into energy that is used in transforming carbon dioxide and water into carbohydrates, such as sugars and starch.
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Along with the green pigment are yellow to orange pigments, carotene's and xanthophylls pigments which, for example, give the orange color to a carrot, Most of the year these colors are masked by great amounts of green coloring.
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Most of the broad-leaved trees in the North shed their leaves in the fall, however, the dead brown leaves of the oaks and a few other species may stay on the tree until growth starts again in the spring, leaving these trees very "branchy" and leafless. In the South however, where the winters are mild, some of the broad-leaved trees are evergreen; that is, the leaves stay on the trees during winter and keep their green color.
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The bacteria can survive the winter in old cankers on pears as well as other plants and even in healthy pear buds. This disease normally occurs in four phases: canker blight, blossom blight, shoot blight, and trauma blight. As the weather becomes favorable for growth in the spring, the bacteria will begin to multiply rapidly and can be seen oozing out of wood tissues. This creamy, bacterial ooze is attractive to insects and they pick it up and carry it to open flower buds where infection occurs. The bacteria are also carried by wind and rain to open pear blossoms. Infected tissues are characterized by their blackened, "burned" appearance, hence the name "fire blight."
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Fabraea Leaf Spot:
Fabraea leaf spot, also known as leaf blight and black spot, is caused by the fungus Fabraea maculata. This disease usually appears late in the growing season of spring but can occasionally develop in late May or early June. Fabraea leaf spot attacks leaves, fruit, and twigs of pear. Symptoms first appear as brown to black spots on the leaves. Heavily infected leaves often yellow and drop prematurely. Severe defoliation can substantially reduce tree vigor and yield, especially if trees are defoliated several years in a row. |
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Lesions on fruit appear similar to those on leaves but become slightly sunken as fruit expand. Severely infected fruit may also crack. Once established in a tree or planting, this disease is difficult to control since significant amounts of fungal inoculum overwinter on infected leaves. Spores of the fungus are normally spread by splashing rain and wind in the spring.
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Effective control includes a good sanitation program. Since overwintering infected leaves are a major source of spores in the spring, removal of all fallen leaves during the dormant season significantly reduces the chances for new infection. In addition, properly selected and timed fungicide sprays are important for disease control.
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Pear Scab:
Pear Scab is caused by a fungus known as Venturia Pirina, and is a disease that is very much akin to apple scab. The fungus will develop circular, velvety, olive-black spots on leaves, fruit, and sometimes twig like flakes. As these lesions start to age, they start to appear gray and the skin starts to crack. This fungus spreads over the winter from dead fallen leaves, and produces spores in the spring that easily spread with water, during the rain. These spores usually can infect any pear tree, when or after pears start to bare. The time can vary from May to June depending on when your trees start to bear fruits and the weather conditions are right. This can be a revolving door as if not treated, another rain cycle could easily infect other trees. |
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We found to effectively control the disease, a good sanitation program, removing diseased leaves and fruit, and hauling it away from the vicinity of the tree or trees. This will significantly reduce the sources of inoculum during the spring and summer. Scab can also be reduced by properly selected and timed fungicide spray. ( we recommend using an arborist, as too much fungicide can have a negative effect on the trees or plants around).
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Memorial Tree ServicesMemorial Arborist are experts in providing a wide range of Memorial tree services such as tree trimming, tree thinning, tree pruning, tree removal, and stump grinding...
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Deep Root Feeding
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Pine Bark Beetles
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24/7 EMERGENCY
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The Proper Time To Trim & Prune
One of the most important aspects of trimming & pruning is, knowing when to prune and trim plants. To insure attractive, healthy & productive plants, understanding the seasons will let us know when it is the BEST time to prune and trim. There have been many discussions and arguments about how to trim and prune, but most all agree that just before spring is the Best time to care for your trees & shrubs. |
List Of Memorial Tree Services
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Contact Info
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