Pests and Diseases
Lutèce exhibited a very high resistance to Dutch elm disease when inoculated with unnaturally high doses of the causal fungus Ophiostoma novo-ulmi, and was rated 5 out of 5 in Dutch tests. Tests in France by INRA confirmed the tree has 'highly resistant'.
The leaves are susceptible to Black Spot however
Read more about this topic: Ulmus 'Nanguen' = Lutece
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