king palm; rot; fungus; palm; archantophoenix; Reply to this topic; Start new topic ; Recommended Posts. These drooping leaves of this palm form a round and full crown. The one of the far right opens a description of the fungi (if I have one) plus a link to show some photos. Examination of a cross-section through a diseased trunk illustrates that the rot is located only on one side of the trunk (Figures 4 and 5). What’s the difference between moss and lichen? • Boring insects successfully attacking and infesting the tree. The queen palm trees can grow up to a height of 50 feet and have dark green fronds with double row of leaflets.The arching fronds of the queen palm may grow to a length of more than twelve feet and an average tree may have more than 15 fronds. Don't wait until a storm or strong wind blows your palm over onto your house. It looks like the mold started in the middle and it working its way up. It can kill palm trees. The spread of fungus to other parts of the same tree, or to a different tree … Would hate to lose the tree to a disease of some kind. The infected plant must be removed to prevent fungi spores spreading. Anything I can... Sign up Log in. The icons to the right of the fungi names are buttons; mouse over them to see what they do. A green fungus-like growth on tree bark can be moss, lichen or algae. It is not unattractive on trunks but can make leaves dull and unsightly. Our arborist will recommend a plan to suppress the tree fungus. Ganoderma Root & Butt Rot: This disease is caused by the fungus, Ganoderma zonatum, which can infect many types of palms. Appearance. Read on for information about ganoderma in palms and good … • Cankers appear on branches and the trunk. Therefore, the disease progression pattern within the trunk is best described as cone-shaped, widest at the soil line and narrowing to a pinpoint. Fungus? Tree Fungus Treatments: Once infected with a tree fungus your tree or shrub can never be fully cured. • Carpenter ants nesting in the trunk or limbs. Sign in to follow this . Forums > Growing Specifics > Trees, Shrubs and Roses > Roebelenii Palm Trees with fungus/algae. The fungus most often invades a palm tree by means of a wound at the base of the tree in the lower 4-5 feet of the trunk. Fungus? Algae: On tree trunks and leaves of evergreen trees and shrubs, algae can be seen as a green, powdery deposit. Discussion in 'Trees, Shrubs and Roses' started by Scotty13, Apr 5, 2013. The agla provides food via photosynthesis. This is another type of palm disease that is caused by fungus. This means that once it has been infected, there is no known cure. Are they harming the tree? • Branches and twigs die and become brittle. But even more correct is that it is a lichen. It then begins to rapidly work its way through the tree’s butt (base) area essentially rotting the wood. Don’t panic when you find flaky gray, green, white or yellow substances, known as lichens, on the trunk or branches of your trees and shrubs. They consist of two unrelated organisms, an alga and a fungus. Nevertheless, there are things you can do to reduce mold and mildew. What are they? Anything I can buy to safely kill the fungus/algae? • Chlorosis (leaves lose their vibrant green color) of the tree’s foliage. However, it can indicate that the tree is not too healthy or that it will die in the next few years. Lichens are unusual organisms. Ganoderma is caused by the pathogen Ganoderma zonatum, and any palm tree can come down with it. Once it attacks the palm, it causes the fronds to lose their green luster, wilting and killing them in the process. These growths do not damage the plant, but may indicate your tree and shrub needs a bit of TLC. However; it can be treated. The fungus presents as small, rough black spots covering older leaves and stems. I notices the other day that two of my plam trees have green mold or fungus growing on them. I have some tall & beautiful Roebelenii Palm Trees in my front yard that are growing a lot fungus/algae (bluish-green) on the trunks. Also, there’s - white powdery substance on all of the plants surrounding the house, I don’t have pictures. When the trunk rot is farther down the trunk, this means that the fungus has rotted the trunk tissue until the palm can no longer structurally support itself. Additional symptoms include bleeding or a reddish exudate which stains the trunk and the formation of a conk or bracket fungus on the lower trunk. (The multi-trunk species of palm trees are usually shorter than the single trunk species.) The presence of a conk is proof that the tree has Ganoderma. Although the growth may look like a fungal disease, it is not. not sure if it's fungus though. You must realize that a well laid out nursery or garden is essential to ridding your plants of infections. 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