BBC1 年
'Forgotten' elm tree set to make a comeback
And a new generation of elm seedlings are being bred, which appear to be resistant to the disease. "The current state is that we know a lot about where the mature trees are and we know more than ...
BBC8 个月
Ancient lone elm the Last Ent is 'guardian' to new trees
The 35 seedlings were grown at Royal Botanic Garden ... but it was hoped that the lower density of elm trees, cooler climate and prevailing winds would slow down its progress.
来自MSN15 天
The Invasive Species Of Elm Tree You'll Want To Avoid Growing In Your Yard
Elm trees grow big and beautiful ... Furthermore, the seeds sprout easily and grow quickly once established into saplings. Because it proliferates so quickly -- and the wind blows its seeds ...
来自MSN5 个月
Disease has killed most of UK's elm trees since the 1960s—but there are signs they may be ...
Elm trees were once stalwarts of the UK countryside ... While most large-scale planting projects will buy trees for less than a pound a sapling, disease-resistant elms are only available as ...