Details for: 12E0100245, Rhododendron hybr., 'Volker'


Summary Data
Taxonomy:
Rhododendron hybr.
Cultivar:
'Volker'
Origin:
Origin – Germany
Improvement Status:
Advanced/improved cultivar
Life form:
Perennial
Growth class:
flowers: perennial vegetatively propagated
Is Core:
N
Form Received:
Field collection
Availability
The item(s) is/are currently not available; request when available, as shown:
Cutting: November 01 - March 31
curator must confirm the availability
  
There are no images for this accession.

Core Passport Data
Taxonomy:
Rhododendron hybr.
Cultivar:
'Volker'
Origin:
Origin – Germany
Improvement Status:
Advanced/improved cultivar
Life form:
Perennial
Growth class:
flowers: perennial vegetatively propagated
Is Core:
N
Form Received:
Field collection
Source History
Developed
1952.  Germany

Developer(s):
Donated
 

Donator(s):
Accession Group(s)
Group name: Pěnišník, růže sadové
Note: Rhododendron, Rosa
To search for accessions in this group, click the following link. Pěnišník, růže sadové

Accession Names and Identifiers
'Volker'
Type: Cultivar name

Flava
Type: Duplicate accession name

Flavum
Type: Duplicate accession name

Rhododendron hybrid cultivars
Type: Full taxon

Narrative
Curator: Lenka Kašparová, The Silva Tarouca Research Institute for Landscape and Ornamental Gardening (CZE079) Lenka.Kasparova@vukoz.cz
Rhododendron hybr.
Genus:
Rhododendron
Family:
Ericaceae
Subfamily:
Ericoideae
Tribe:
Rhodoreae
Nomen number:

300507
Comment:
interim designation used in GRIN for Rhododendron hybrids which lack an acceptable binomial
Verified:
November 02, 1990 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Heterotypic Synonym(s)
Rhododendron ×gowenianum Sweet
Rhododendron ×pulchrum Sweet var. tebotan (Komatsu) Rehder
Rhododendron ×taylorii Dean
Rhododendron ×viscosepalum Rehder
Rhododendron ×viscosepalum Rehder var. daviesii Rehder
Rhododendron ×viscosepalum Rehder var. viscosepalum
Rhododendron macrostemon Maxim.
Rhododendron tebotan Komatsu

Common names
Annotations
Other Links
Actions
  • Curator Change: Previous: Jiřina RŮŽIČKOVÁ, Current: Lenka Kašparová. 13 Dec 2017.
  • Enter ECN Into System: . 27 Oct 1999.
Pathogens
Vouchers
Citations
Pedigree
Pollination type:
(4) Crossing
Description:
R. wardii × Koichiro Wada
Intellectual Property Rights
Czech registration. Issued: 01 Jan 1979.
MLS. (Multi-Lateral System FAO item.)
MLS.
FAO Standard Material Transfer Agreement.
Year of termination of breeding. Issued: 01 Jan 1952.

Observations

Phenotype Data

CategoryDescriptorDescriptionValueStudyInventoryAvailability
BIOLOGY119 Susceptibility to Exobasidium rhododenri and E. japonicumWithout inoculation in monoculture0 - infection not found2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY001 Plant - persistence of leaves001 Plant - persistence of leaves3 - evergreen2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY011 Young leaf - pubescence on the lower sideYoung leaves are observed as soon as they have reached full size0 - hairless2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY012 Mature leaf - blade shapeFig. 2 / Matured leaves are observed at the time of end of growth3 - elliptic2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY013 Mature leaf - blade lengthMatured leaves are observed at the time of end of growth5 - intermediate 6,1-10 (cm)2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY023 Inflorescence - attitude on the shootFig. 31 - terminal2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY024 Inflorescence - number of flowers024 Inflorescence - number of flowers7 - high 11- 152011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY025 Inflorescence - shape (cultivars with more than 6 flowers)Fig. 47 - furcated spherical2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY026 Flower - shape of flower budFig. 55 - ovate2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY028 Flower - funnel-shapedFig. 60 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY035 Flower - number of corolla lobes035 Flower - number of corolla lobes3 - low 52008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY036 Flower - type of the flowerFig. 81 - single2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY037 Flower - corolla undulation of margins037 Flower - corolla undulation of margins3 - weak2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY038 Flower - colour of corolla edges in comparison with flower colour038 Flower - colour of corolla edges in comparison with flower colour5 - the same2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY039 Flower - colour stability (comparison old and young flower)039 Flower - colour stability (comparison old and young flower)5 - the same2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY045 Flower - yellow orange colour on inner side045 Flower - yellow orange colour on inner side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY046 Flower - orange colour on inner side046 Flower - orange colour on inner side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY048 Flower - orange red colour on inner side048 Flower - orange red colour on inner side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY049 Flower - red colour on inner side (light to medium deep tones)049 Flower - red colour on inner side (light to medium deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY050 Flower - red colour on inner side (medium deep tones)050 Flower - red colour on inner side (medium deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY057 Flower - violet colour on inner side057 Flower - violet colour on inner side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY058 Flower - violet blue colour on inner side 058 Flower - violet blue colour on inner side 0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY060 Flower - blue colour on inner side060 Flower - blue colour on inner side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY064 Flower - supplemental colour on inner side064 Flower - supplemental colour on inner side7 - purple2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY070 Flower - orange colour on outer side070 Flower - orange colour on outer side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY072 Flower - orange red colour on outer side072 Flower - orange red colour on outer side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY073 Flower - red colour on outer side (light to medium deep tones)073 Flower - red colour on outer side (light to medium deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY074 Flower - red colour on outer side (medium deep tones)074 Flower - red colour on outer side (medium deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY075 Flower - red colour on outer side (deep tones)075 Flower - red colour on outer side (deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY082 Flower - violet blue colour on outer side 082 Flower - violet blue colour on outer side 0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY084 Flower - blue color on outer side084 Flower - blue color on outer side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY087 Flower - deepness of colour on outer side087 Flower - deepness of colour on outer side1 - very light R.H.S. - D2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY088 Flower - supplemental colour on outer side088 Flower - supplemental colour on outer side0 - absent2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY089 Flower - arrangement of supplemental colour on outer side089 Flower - arrangement of supplemental colour on outer side0 - absent2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY099 The ratio pistil : stamens length099 The ratio pistil : stamens length6 - pistil longer2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY100 Pistil - stigma colour100 Pistil - stigma colour2 - yellow2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY101 Pistil - uniformity of style colour101 Pistil - uniformity of style colour1 - unified2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY102 Pistil - unifed colour of style102 Pistil - unifed colour of style2 - whitish yellow2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY103 Pistil - double colour of style103 Pistil - double colour of style0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY109 Flower - time of beginning of floweringComparative varieties: 2. ‘Bouzov’, 3. ‘Alena’, 4. ‘Motýl’, 5. ‘Catawbiense Grandiflorum’, 7 ‘James Burchett’. Specific values (time period) valid for central Bohemian mesophyticum (Průhonice).5 - medium 16.5.-30.6.2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY051 Flower - red colour on inner side (deep tones)051 Flower - red colour on inner side (deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY052 Flower - red purple colour on inner side (light tones)052 Flower - red purple colour on inner side (light tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY054 Flower - red purple colour on inner side (deep tones)054 Flower - red purple colour on inner side (deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY055 Flower - purple colour on inner side055 Flower - purple colour on inner side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY056 Flower - purple violet colour on inner side056 Flower - purple violet colour on inner side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY065 Flower - arrangement of supplemental colour on inner side065 Flower - arrangement of supplemental colour on inner side6 - throat2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY066 Flower - white colour on outer side066 Flower - white colour on outer side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY067 Flower - yellow colour on outer side (light tones)067 Flower - yellow colour on outer side (light tones)5 - brilliant / light greenish yellow, pale yellow green R.H.S. 42008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY068 Flower - yellow colour on outer side (deep tones)068 Flower - yellow colour on outer side (deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY069 Flower - yellow orange colour on outer side069 Flower - yellow orange colour on outer side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY076 Flower - red purple colour on outer side (light tones)076 Flower - red purple colour on outer side (light tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY078 Flower - red purple colour on outer side (deep tones)078 Flower - red purple colour on outer side (deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY079 Flower - purple colour on outer side079 Flower - purple colour on outer side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY080 Flower - purple violet colour on outer side080 Flower - purple violet colour on outer side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY081 Flower - violet colour on outer side081 Flower - violet colour on outer side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY090 Flower - presence of design090 Flower - presence of design0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY092 Flower - distinctness of design092 Flower - distinctness of design3 - weak2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY104 Stamens - number104 Stamens - number5 - intermediate constant 102008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY105 Stamens - colour of ripe anthers105 Stamens - colour of ripe anthers8 - light brown2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY106 Stamens - colour of filaments106 Stamens - colour of filaments1 - unified2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY107 Stamens - colour of filaments unified107 Stamens - colour of filaments unified1 - white2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY108 Stamens - double colour of filaments108 Stamens - double colour of filaments0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY004 Plant - heightIn 10 years of age7 - high 91-120 (cm)Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY005 Shoot - colour in the upper partSprouting shoot4 - medium green2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY006 Shoot - indumentumSprouting shoot0 - hairless2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY007 Young leaf - colour of upper sideYoung leaves are observed as soon as they have reached full size4 - dark green2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY008 Young leaf - colour of lower sideYoung leaves are observed as soon as they have reached full size2 - light green2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY014 Mature leaf - blade widthMatured leaves are observed at the time of end of growth5 - intermediate 2,6- 4 (cm)2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY015 Mature leaf - petiole lengthMatured leaves are observed at the time of end of growth5 - intermediate 1,5- 3 (cm)2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY018 Mature leaf - indumentum on the lower sideMatured leaves are observed at the time of end of growth0 - hairless2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY019 Mature leaf - colour of upper sideMatured leaves are observed at the time of end of growth4 - dark green2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY021 Mature leaf - colour of lower sideMatured leaves are observed at the time of end of growth0 - grey green2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY029 Flower - campanulate shapeFig. 73 - broadly campanulate2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY030 Flower - diameterMaximal value at open flower5 - intermediate 4,1 - 7 (cm)2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY031 Flower - length of peduncle031 Flower - length of peduncle5 - intermediate 2,5 - 4 (cm)2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY032 Flower - presence of calyx032 Flower - presence of calyx1 - present2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY033 Flower - length of the longest sepal033 Flower - length of the longest sepal3 - short < 2 (mm)2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY040 Flower - incision of corolla margin040 Flower - incision of corolla margin5 - intermediate 1/3 - 1/22011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY041 Flower - inner colour of base in comparison with flower colour041 Flower - inner colour of base in comparison with flower colour5 - the same2011 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY042 Flower - white colour on inner side042 Flower - white colour on inner side0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY043 Flower - yellow colour on inner side (light tones)043 Flower - yellow colour on inner side (light tones)5 - brilliant / light greenish yellow, pale yellow green R.H.S. 42008 Research Institute of Ornamental Gardening Pruhonice Out of Season
MORPHOLOGY044 Flower - yellow colour on inner side (deep tones)044 Flower - yellow colour on inner side (deep tones)0 - absent2008 Research Institute of Ornamental Gardening Pruhonice Out of Season