Details for: 12E0100878, Rhododendron hybr., 'Strekov'

Summary Data

Taxonomy:

Rhododendron hybr.

Cultivar:

'Strekov'

Origin:

Origin – Czech Republic

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

2014

Improvement Status:

Advanced/improved cultivar

Life form:

Shrub

Growth class:

flowers: perennial vegetatively propagated

Is Core:

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:

'Strekov'

Origin:

Origin – Czech Republic

Maintained:

The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

Received by CRI:

2014

Improvement Status:

Advanced/improved cultivar

Life form:

Shrub

Growth class:

flowers: perennial vegetatively propagated

Is Core:

Form Received:

Field collection

Source History

Developed

2014. Czech Republic
Comment: Hybridised - 1996. Named by M. Severa (2014).
Developer(s):

Donated

Czech Republic

Donator(s):

CZE079, The Silva Tarouca Research Institute for Landscape and Ornamental Gardening

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

'Strekov'

Type: Cultivar name

Střekov

Type: National name

142-96-4

Type: Other or unclassified 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

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study	Availability
BIOLOGY	119 Susceptibility to Exobasidium rhododenri and E. japonicum	Without inoculation in monoculture	0 - infection not found	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	001 Plant - persistence of leaves	001 Plant - persistence of leaves	3 - evergreen	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	003 Plant - habit	Fig. 1	5 - rounded to spreading 1,2 – 0,6	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	009 Young leaf - waxy bloom on the upper side	Young leaves are observed as soon as they have reached full size	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	010 Young leaf - pubescence on the upper side	Young leaves are observed as soon as they have reached full size	0 - hairless	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	011 Young leaf - pubescence on the lower side	Young leaves are observed as soon as they have reached full size	3 - sparse hairs	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	012 Mature leaf - blade shape	Fig. 2 / Matured leaves are observed at the time of end of growth	3 - elliptic	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	013 Mature leaf - blade length	Matured leaves are observed at the time of end of growth	5 - intermediate 6,1-10 (cm)	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	023 Inflorescence - attitude on the shoot	Fig. 3	1 - terminal	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	025 Inflorescence - shape (cultivars with more than 6 flowers)	Fig. 4	5 - spherical	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	026 Flower - shape of flower bud	Fig. 5	7 - broad ovate	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	028 Flower - funnel-shaped	Fig. 6	2 - widely funnel-shaped	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	035 Flower - number of corolla lobes	035 Flower - number of corolla lobes	3 - low 5	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	036 Flower - type of the flower	Fig. 8	1 - single	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	037 Flower - corolla undulation of margins	037 Flower - corolla undulation of margins	7 - strong	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	038 Flower - colour of corolla edges in comparison with flower colour	038 Flower - colour of corolla edges in comparison with flower colour	7 - darker	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	039 Flower - colour stability (comparison old and young flower)	039 Flower - colour stability (comparison old and young flower)	3 - lighter	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	045 Flower - yellow orange colour on inner side	045 Flower - yellow orange colour on inner side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	046 Flower - orange colour on inner side	046 Flower - orange colour on inner side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	048 Flower - orange red colour on inner side	048 Flower - orange red colour on inner side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	049 Flower - red colour on inner side (light to medium deep tones)	049 Flower - red colour on inner side (light to medium deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	050 Flower - red colour on inner side (medium deep tones)	050 Flower - red colour on inner side (medium deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	057 Flower - violet colour on inner side	057 Flower - violet colour on inner side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	058 Flower - violet blue colour on inner side	058 Flower - violet blue colour on inner side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	060 Flower - blue colour on inner side	060 Flower - blue colour on inner side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	070 Flower - orange colour on outer side	070 Flower - orange colour on outer side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	072 Flower - orange red colour on outer side	072 Flower - orange red colour on outer side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	073 Flower - red colour on outer side (light to medium deep tones)	073 Flower - red colour on outer side (light to medium deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	074 Flower - red colour on outer side (medium deep tones)	074 Flower - red colour on outer side (medium deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	075 Flower - red colour on outer side (deep tones)	075 Flower - red colour on outer side (deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	082 Flower - violet blue colour on outer side	082 Flower - violet blue colour on outer side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	084 Flower - blue color on outer side	084 Flower - blue color on outer side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	099 The ratio pistil : stamens length	099 The ratio pistil : stamens length	6 - pistil longer	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	100 Pistil - stigma colour	100 Pistil - stigma colour	4 - red	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	101 Pistil - uniformity of style colour	101 Pistil - uniformity of style colour	1 - unified	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	102 Pistil - unifed colour of style	102 Pistil - unifed colour of style	1 - white	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	103 Pistil - double colour of style	103 Pistil - double colour of style	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	109 Flower - time of beginning of flowering	Comparative 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.	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	111 Flower - fragrance	111 Flower - fragrance	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	051 Flower - red colour on inner side (deep tones)	051 Flower - red colour on inner side (deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	052 Flower - red purple colour on inner side (light tones)	052 Flower - red purple colour on inner side (light tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	054 Flower - red purple colour on inner side (deep tones)	054 Flower - red purple colour on inner side (deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	066 Flower - white colour on outer side	066 Flower - white colour on outer side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	067 Flower - yellow colour on outer side (light tones)	067 Flower - yellow colour on outer side (light tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	068 Flower - yellow colour on outer side (deep tones)	068 Flower - yellow colour on outer side (deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	069 Flower - yellow orange colour on outer side	069 Flower - yellow orange colour on outer side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	076 Flower - red purple colour on outer side (light tones)	076 Flower - red purple colour on outer side (light tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	078 Flower - red purple colour on outer side (deep tones)	078 Flower - red purple colour on outer side (deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	081 Flower - violet colour on outer side	081 Flower - violet colour on outer side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	090 Flower - presence of design	090 Flower - presence of design	1 - present	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	092 Flower - distinctness of design	092 Flower - distinctness of design	5 - intermediate	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	093 Flower - location of design	Fig. 9	1 - upper middle lobe	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	094 Flower - type of design	Fig. 10	4 - combined	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	105 Stamens - colour of ripe anthers	105 Stamens - colour of ripe anthers	8 - light brown	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	106 Stamens - colour of filaments	106 Stamens - colour of filaments	1 - unified	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	108 Stamens - double colour of filaments	108 Stamens - double colour of filaments	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	006 Shoot - indumentum	Sprouting shoot	0 - hairless	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	007 Young leaf - colour of upper side	Young leaves are observed as soon as they have reached full size	4 - dark green	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	014 Mature leaf - blade width	Matured leaves are observed at the time of end of growth	5 - intermediate 2,6- 4 (cm)	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	015 Mature leaf - petiole length	Matured leaves are observed at the time of end of growth	5 - intermediate 1,5- 3 (cm)	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	018 Mature leaf - indumentum on the lower side	Matured leaves are observed at the time of end of growth	3 - sparse hairs	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	019 Mature leaf - colour of upper side	Matured leaves are observed at the time of end of growth	4 - dark green	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	029 Flower - campanulate shape	Fig. 7	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	030 Flower - diameter	Maximal value at open flower	5 - intermediate 4,1 - 7 (cm)	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	032 Flower - presence of calyx	032 Flower - presence of calyx	1 - present	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	033 Flower - length of the longest sepal	033 Flower - length of the longest sepal	5 - medium 2 - 4 (mm)	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	042 Flower - white colour on inner side	042 Flower - white colour on inner side	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	043 Flower - yellow colour on inner side (light tones)	043 Flower - yellow colour on inner side (light tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	044 Flower - yellow colour on inner side (deep tones)	044 Flower - yellow colour on inner side (deep tones)	0 - absent	2015 Research Institute of Ornamental Gardening Pruhonice_Rhododendron	Out of Season
MORPHOLOGY	110 Flower - ability of repeating flowering	110 Flower - ability of repeating flowering	1 - faintly remontant	2018 Research Institute of Ornamental Gardening Pruhonice_Rhododendron (2 years)	Out of Season
PHYSIOLOGY	122 Reproducibility - cutting	122 Reproducibility - cutting	7 - well rooted 60-79%	2018 Research Institute of Ornamental Gardening Pruhonice_Rhododendron (2 years)	Out of Season
PHYSIOLOGY	124 Reproducibility - in vitro	124 Reproducibility - in vitro	5 - intermediate	2018 Research Institute of Ornamental Gardening Pruhonice_Rhododendron (2 years)	Out of Season