Harmful and Common Tree Diseases UK – According to Tree Surgery Glasgow Professionals
1. Ash Dieback
Ash dieback, also known as Chalara, is a harmful fungal infection that affects and kills ash trees. Since it was accidentally introduced to Europe about 30 years ago from Asia, it has caused significant damage to ash tree populations.
The fungus that causes ash dieback survives in fallen ash leaves and releases spores from summer to autumn. These spores can travel for miles, landing on new trees. Over time, the tree’s fungus blocks its own water supply and repeated infections eventually kill them.
According to the Woodland Trust, ash dieback could destroy up to 80% of ash trees in the UK, making it one of the biggest threats to ash populations.
2. Dutch Elm Disease
Dutch elm disease is another fatal fungal disease that devastates tree health. It is spread through the tree pest, elm bark beetles, whose feeding introduces the fungus into the tree. The toxins block water movement, causing the tree to wilt and die.
The disease has been responsible for killing millions of elm trees in the UK over the last half century. And with climate change boosting beetle and pest numbers, it has the potential to cause damage to millions more.
3. Sudden Oak Death
Sudden oak death is a fast spreading infection that affects tree species. Despite its name, sudden oak death disease doesn’t just affect oaks, it affects a wide range of trees such as larches and shrubs.
The disease causes bleeding cankers on trunks and branches, along with wilting on shoots and foliage. The disease thrives in wet or humid conditions and spreads easily through air, rivers, mist, soil, and even by footsteps.
4. Acute Oak Decline
Acute oak decline is a novel type of decline for oak trees in the UK. As a fairly new phenomenon, the causes are still being investigated. However, researchers believe that harsh and extreme environmental conditions cause the oak to become unhealthy. Insects and bacteria then feed on the tree and cause it to decline.
With the rise of extreme weather conditions, protecting the UK’s trees has never been more important.
5. Dothistroma Needle Blight
Dothistroma needle blight, also known as red band needle blight, is caused by a fungus. The disease mainly attacks pine trees, with the Scots pine tree particularly susceptible to its damage.
It causes the needles to turn reddish-brown before falling off, leaving trees thin and weak. Over time, the infection can stunt growth or kill the tree.
6. Powdery Mildew Disease
Powdery Mildew Disease is a common disease that affects many tree species across the UK. It shows up as a white, ‘powdery’ coating on leaves, shoots and stems. While not usually fatal, the disease can slow down the growth of trees and reduce crop yields (especially for apple trees), making it important to manage.
How to Prevent Tree Diseases
The prevention of tree disease is essential for keeping the UK’s woodlands healthy and thriving. A proactive approach can make all the difference, helping to protect vulnerable species from pests and infections.
Regular Care and Tree Maintenance
It’s essential to regularly maintain your tree’s health. Pruning and trimming weak or dead branches improves airflow and overall tree health. Simple steps like watering, pruning and mulching also strengthen trees, making them more resilient to disease.
Manage Pests
Implementing pest management strategies can reduce the risk of disease. For example, controlling the elm bark beetles, emerald ash borer and oak processionary moth can help protect trees from significant damage. Make sure to regularly inspect your trees for signs of pests.
Plant for Biodiversity
Promoting biodiversity in your woodland areas can enhance the health of the whole forest. Diverse ecosystems are less susceptible to the spread of diseases. This makes them strong against infections.
Education and Awareness
Staying informed about new pests and diseases is important. Education initiatives can help individuals and communities understand how to detect and report tree problems early.
Hire a Professional Tree Surgeon
Hiring a qualified tree surgeon ensures safe and expert care for all tree species. From carrying out tree surveys to pruning, removing diseased trees and managing pests, they have the expert knowledge and equipment to protect trees effectively.
Think you have a tree problem? Don’t hesitate to reach out to GGM Landscaping in Glasgow. Our expert team will help identity and advise you on the best method to care and protect your trees. You can contact us at 07946 322717.