Assertion: elm's tolerance | /r/HasProperty | studied
Facets:
value: further
type: MANNER
Source sentences:
text: The loss of elms to Dutch Elm Disease (DED) has stimulated research to select and breed DED-resistant cultivars, but the performance (e.g. growth and tolerance to other pests and pathogens) of these cultivars need to be studied further to identify the best fit cultivars for each region.