Silver leaf
Silver leaf
Silver leaf (pronounced: /ˈsɪlvər liːf/) is a common name for a plant disease caused by the fungus Chondrostereum purpureum. It affects a wide range of deciduous trees, including plum, apple, pear, and cherry trees. The disease is named for the silver sheen that affected leaves often exhibit.
Etymology
The term "silver leaf" comes from the silvery sheen that affected leaves display, which is caused by the fungus Chondrostereum purpureum. The fungus causes the cells of the leaves to separate, allowing air to enter and give the leaf a silver appearance.
Symptoms
The most obvious symptom of silver leaf disease is a silver sheen on the leaves of the affected tree. This is caused by the fungus causing the cells of the leaves to separate, allowing air to enter and give the leaf a silver appearance. Other symptoms can include branch dieback, reduced vigour, and in severe cases, death of the tree.
Treatment
Treatment for silver leaf disease involves pruning and burning affected branches to prevent the spread of the fungus. Fungicides can also be used, but they are often not effective once the disease has become established. Prevention is the best method of control, and involves regular pruning and maintenance of trees to prevent infection.
Related terms
- Chondrostereum purpureum: The fungus that causes silver leaf disease.
- Deciduous trees: Trees that shed their leaves annually, and are often affected by silver leaf disease.
- Fungus: A group of organisms that includes molds, yeasts, and mushrooms. Fungi are responsible for diseases like silver leaf.
- Fungicide: A chemical compound used to kill or inhibit the growth of fungi.
External links
- Medical encyclopedia article on Silver leaf
- Wikipedia's article - Silver leaf
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