''Ulmus'' 'Revera' is an American
hybrid
Hybrid may refer to:
Science
* Hybrid (biology), an offspring resulting from cross-breeding
** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species
** Hybridity, the property of a hybrid plant which is a union of two diff ...
cultivar
A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture ...
raised by the
Wisconsin Alumni Research Foundation
The Wisconsin Alumni Research Foundation is the independent nonprofit technology transfer organization serving the University of Wisconsin–Madison and Morgridge Institute for Research. It provides significant research support, granting tens o ...
(WARF) as selection '1193-3' which, like
'Reperta', was derived from a crossing of
'Regal' (female parent) with a crossing of ''
Ulmus rubra
''Ulmus rubra'', the slippery elm, is a species of elm native to eastern North America.
Other common names include red elm, gray elm, soft elm, moose elm, and Indian elm.
Description
''Ulmus rubra'' is a medium-sized deciduous tree with a spr ...
'' and the hybrid ''
Ulmus pumila
''Ulmus pumila'', the Siberian elm, is a tree native to Asia. It is also known as the Asiatic elm and dwarf elm, but sometimes miscalled the 'Chinese Elm' ('' Ulmus parvifolia''). ''U. pumila'' has been widely cultivated throughout Asia, No ...
'' Ă—
''Ulmus davidiana'' var. ''japonica''.
Description
Not available.
Pests and diseases
'Revera' has a resistance to
Dutch elm disease
Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Although believed to be originally native to Asia, the disease was accidentally introduced into America, Europe, ...
.
Cultivation
The tree was registered in 1993 as 'Revera' by Conrad Appel KG, of
Darmstadt
Darmstadt () is a city in the States of Germany, state of Hesse in Germany, located in the southern part of the Frankfurt Rhine Main Area, Rhine-Main-Area (Frankfurt Metropolitan Region). Darmstadt has around 160,000 inhabitants, making it th ...
, Germany, but has yet to be commercially released in either the United States or Europe.
Accessions
Not known.
References
Hybrid elm cultivar
Ulmus articles missing images
Ulmus
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