Can I take a chainsaw and cut out the rotten wood and paint it to help the tree survive?” Ganoderma is a fungus that rots the lower part (4-5ft) of a palm trunk. What is this ganoderma we are hearing about? ; Wait 4 to 6 weeks for the chemicals to accelerate the rotting process in the stump. Essentially, the trunk is the stem. Trunk rot is another fungal disease, this one caused by Thielaviopsis paradoxa, which infects the palm through an open wound in its bark. They were lifting our sidewalk, creating a trip hazard. A: This is indeed grave news for your palms as the disease is likely Thielaviopsis Trunk Rot. And just like if the stem broke on a flower, it’s not good news if the trunk gets injured or starts rotting. Because these infections can spread quickly, it is important to remove an infected tree as soon as possible to protect other trees. This Tree Has got to Go. As I monitored select palms that were under stress (from other environmental factors), a few common symptoms of this disease were observed: holes … They are oozing at the trunk area and it smells awful. Fronds collapse and droop parallel to the trunk. It affects the top of the palm where new leaves emerge. Symptoms of fungus can include rotting on the trunk, uncharacteristic wilting and overall slow growth. Its role in causing trunk decay on queen palm and other species is unconfirmed. The fungus causing the disease is Thielaviopsis paradoxa. They seem to have dark, black sunken patches all over the trunk. Pour 3 to 4 ounces of tree stump removal chemicals into each of the holes in granule form, then fill the holes with water so the chemicals can soak in. Andy from Florida said, “I have a large oak tree with rotting on one side at the base of the trunk. Pour Tree Stump Removal Chemicals into the Holes. Pink rot is a secondary fungal disease that attacks weakened or stressed palm trees. The green fungus on palm tree trunk could be algae which is a clear indication the trunk is getting wet to often. Depending on the point of invasion, the roots may be severely decayed. Ganoderma aka Butt Rot of Palms. The issue we were having with a palm in our front yard was due to its roots. T. paradoxa is transmitted by spores on the wind or in water. Q: What is killing my palm trees? It is caused by the fungus "nalanthamala vermoeseni." The head of the infected palm may fall off or the trunk collapse. Hosts: Pink rot can affect nearly all outdoor landscape and indoor palms in California, including king palms, bamboo palms, some date palms, Chinese windmill palms, kentia palms, queen palms, and California fan palms. Early symptoms of the disease are mild to severe wilting of the palm fronds. Palm trees are subject to a wide variety of fungal infections that are common in warm, humid environments. 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