Tree Diseases in the Fountain Valley

Tree Diseases in the Fountain Valley

It is hard to imagine, but there are actually thousands of tree diseases that can attack your trees and affect their health. These range from fungal infections, bugs, viruses, to insects and other organisms that can do some serious damage to trees. While many people will call their local County Agricultural Extension Service or even a local garden shop to help them solve their tree problem, these professionals can be costly. In this case, it may make sense for you to learn about the causes of tree disease so that you can protect your trees and garden and save yourself a lot of money in the process. Here are some of the main causes of tree disease:

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One of the most common is the Dutch Elm Disease. This is an evergreen tree disease that attacks both sycamore and pomegranate trees. The name DED comes from its treatment of the affected plants with a pesticide that contains Deethylenediamine. The affected trees lose the foliage and start dying after a certain number of years.


A bark disease that affects evergreens and many junipers is the Red Maple Leaf Spot. The fungus that causes this disease is called Sympathectomyces europeus. It is a brown colored fungus that attacks the needles and leaves of the tree from late summer through fall. Once it infests the needles, the tree loses its leaves and starts to die from the infection. The disease is not severe, but can spread quickly, destroying large areas of trees.


Another known tree disease is the black spots disease. This is also known as the black tongue disease. This tree disease appears on both the needle and the leaves of the tree. The affected plants turn dark and the flowers will eventually die from lack of nutrients. This tree disease attacks mostly Cherry, Maple and Oak trees, although it can infect other varieties such as Dogwood, Spruce, and Langstroth.


Flystrike is a tree disease that attacks mainly Red Maple and Black Maple trees. The infected needles will die in just a few days. Affected leaves will fall off quickly and the tree will become stunted. Flystrike can also be transferred to other nearby trees by sharing water or soil.


The bugling tree disease affects mainly Douglas, Silver, and Sequoia trees. The bugling can either form lesions or patches on the trees. lesion patches can appear anywhere on the tree, but generally are found on the lower leaf nodes. Small holes may first appear on the leaves of the tree, later opening up into white lesions or small patches. The affected trees will soon drop their leaves and flowers after suffering from the bugling.


If you own or work in the agricultural sector and have trees on your farm, you need to take special precautions to protect them from disease. Always check for signs of leaf discoloration and insect attack. Discolored leaves, black spots, weak branches, and damaged flowers are all indicators of diseased conditions. If you do not immediately take steps to treat for these tree diseases, they could quickly spread to other trees on your property.


Be sure to inspect your trees regularly for signs of leaf discoloration, bugs, or disease. A healthy tree will provide beautiful flowers and shade for you garden for many years. If you have a tree disease or suspect that yours does, it’s always best to call a professional tree doctor as soon as possible.


In general, tree diseases occur during cold, wet seasons when moisture and soil temperatures are conducive to bacterial growth. Spring is the time of year when these bugs and viruses are most active. Gardeners who have to live in or near large forests can suffer from leaf discoloration or other symptoms in the fall or winter. These tree diseases can be especially detrimental to flower gardens as they can dry out entire plants, kill roots, and affect flowering and fruit production.


Some of the common tree diseases are powdery mildew, leaf spot, needle blight, root rot, tree grater, destructive fungus, and tree bug. Powdery mildew can attack trees infected with white-fly. Leaf spot, which affects trees with crowded leaves, appears as small yellow spots that spread quickly and leave a discoloring or crumbling debris. Needle blight attacks young seedlings and stems. Tree grater causes yellow discoloration and mildew on healthy plants and trees, while destructive fungus causes the white-fly insect to seek shelter in healthy leaves, producing millions of spores that are carried off by wind and debris.


Prevention is the best treatment for tree diseases. Regular inspections for signs of disease and healthy plant health can help prevent damage to your garden and reduce your risk of expensive treatments. There are several guides available to help you inspect your garden for signs of these diseases. Your local garden shop or your public library should have such information and should be able to recommend local services and resources that can help protect your trees.