However, almost all mature American elm trees have been killed in the last 50 years by Dutch elm disease, which is caused by a fungus, Ophiostoma novo-ulmi, introduced from Asia. Elm bark beetles ...

Here in the UK, ancient oaks and other trees are an enduring symbol of the British landscape, offering shelter and support to ...

while older trees may take many years to die. The disease gets its name from the honey-coloured toadstools it produces in the autumn. Unfortunately, for diagnosis, these are not always produced and ...

Like animals, plants are susceptible to infection by organisms like fungi ... diseases they cause, can manifest in various ways and require different management strategies. We can now identify ...

Cassava Witches' Broom Disease (CWBD), a harvest-reducing pathogen originating in Southeast Asia, has crossed the Pacific and has been detected in French Guiana and Brazil. It is a fungal disease ...

Texans can help prevent the spread of oak wilt by avoiding pruning or wounding oak trees from February through June.

You can easily identify a diseased tree in your yard by looking for symptoms ... eventually causing them to drop off. To manage this fungal disease, enhance air circulation, remove infected ...

A deadly fungus is spreading "more ... said all the ash trees on his 2,000 acres (809 hectares) were showing signs of the incurable disease. It kills younger plants and weakens more established ...

In comparison, the disease killed 44 trees the previous fiscal year, the association said. The wilt condition is caused by a fungus transmitted by ambrosia beetles measuring 4 to 5 millimeters long.

ATOKA COUNTY, Okla. (KTEN) — This past fall, drought in portions of Texoma have caused an influx of a tree fungus, which explains why you may be seeing more dead trees in southeastern Oklahoma.