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Top_dying_disease is a plant disease that affects mahogany trees, causing the top branches to die off. It is caused by a fungus known as Hypoxylon samuelsii.

Causes

The disease is caused by the fungus Hypoxylon samuelsii. The fungus infects the tree through wounds or cracks in the bark, then grows into the wood, causing the top branches to die off. The disease is most common in mahogany trees that are stressed due to drought or other environmental factors.

Symptoms

The first sign of top-dying disease is usually the death of the top branches of the tree. This is followed by the death of lower branches, until the entire tree is dead. The bark of the infected tree may also show signs of infection, such as discoloration or the presence of fungal fruiting bodies.

Treatment

There is currently no known treatment for top-dying disease. The best way to prevent the disease is to keep mahogany trees healthy and stress-free. This can be achieved by providing the trees with adequate water and nutrients, and by protecting them from pests and diseases.

See also

• Plant pathology
• Fungal diseases of plants
• Mahogany

References

Trihalomethane Resources
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