Identifying these trees could prove to be the key to developing a new type of Dutch elm disease-resistant tree. Aided by city foresters, land owners, the Minnesota Department of Natural Resources and ...

Furthermore, even though hybrids can tolerate Dutch elm disease, most of them are not truly resistant and may also be susceptible to other microbial tree diseases. Dr. William Powell, along with his ...

The elm tree can return to the British countryside ... Some European countries have already made progress in crossing "elite" disease-resistant elms with local elms for planting in parks, towns ...

Even if the tree is not culled ... Two separate maps were generated: one for a family of disease-resistant pines and one ...

A native Pennsylvania hardwood tree is facing extinction. Beech trees are being attacked by two separate diseases – one moves ...

The infection limits the tree's ability to move water and nutrients ... beating the pathogen will require trees that are resistant to the disease. "Seeking resistant cultivars or immune species ...