Details for: 14G1900131, Lolium multiflorum Lam., 'Roberta'

Summary Data

Taxonomy:

Lolium multiflorum Lam.

Cultivar:

'Roberta'

Origin:

Origin – Denmark

Maintained:

OSEVA PRO Ltd. Grassland Research Institute

Received by CRI:

1989

Improvement Status:

Advanced/improved cultivar

Life form:

Biennial

Growth class:

winter

Is Core:

Form Received:

Seed

Availability

Form	Quantity	Note	Inventory	Cart
Seed	0.3 gram		14G1900131

Seed available for distribution is a limited resource. The quantity of seed distributed is hopefully sufficient to conduct the intended research. If additional seed is required, the recipient is urged to grow and reproduce the seed. Repeated requests for seed of the same accession will not be honored.

There are no images for this accession.

Core Passport Data

Taxonomy:

Lolium multiflorum Lam.

Cultivar:

'Roberta'

Origin:

Origin – Denmark

Maintained:

OSEVA PRO Ltd. Grassland Research Institute

Received by CRI:

1989

Improvement Status:

Advanced/improved cultivar

Life form:

Biennial

Growth class:

winter

Is Core:

Form Received:

Seed

Source History

Developed

Developer(s):

DNK004, Danskplanteforaedling A/S

Donated

Donator(s):

DNK004, Danskplanteforaedling A/S

Accession Group(s)

Group name: Trávy
Note: Grasses
To search for accessions in this group, click the following link. Trávy

Accession Names and Identifiers

'Roberta'

Type: Cultivar name

Lolium multiflorum subsp. italicum

Type: Full taxon

Narrative

Curator: Simona Raab, OSEVA PRO Ltd. Grassland Research Institute (CZE082) raab@oseva.cz

Lolium multiflorum Lam.

Genus:

Lolium

Family:

Poaceae (alt. Gramineae)

Subfamily:

Pooideae

Tribe:

Poeae

Subtribe:

Loliinae

Nomen number:

22493

Place of publication:

Fl. franç. 3:621. 1779 ("1778")

Protologue link:

https://biodiversitylibrary.org/page/10168271

Verified:

May 08, 1992 by ARS Systematic Botanists.

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Autonym(s)
Lolium multiflorum Lam. var. multiflorum

Homotypic Synonym(s)
Lolium perenne L. subsp. multiflorum (Lam.) Husn., nom. inval.

Heterotypic Synonym(s)
Lolium gaudinii Parl., nom. inval.
Lolium italicum A. Braun, nom. inval.
Lolium multiflorum Lam. var. westerwoldicum Wittm.

Common names

LANGUAGE	NAME	NOTE	SEQ	CITATION
English	annual ryegrass		1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
English	Italian ryegrass		1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
English	lovitto ryegrass		1	Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
English	Westerwold ryegrass		1	Terrell, E. E. 1968. A taxonomic revision of the genus Lolium. Techn. Bull. U.S.D.A. 1392:10.
English	Westerwolds ryegrass		1	Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
Afrikaans	Italiaanse raaigras		2	Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12
English (Canada)	Italian rye grass	Agriculture & Agri-Food Canada official name	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 30.
French	ivraie multiflore		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
French	ray-grass d'Italie		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
French (Canada)	ivraie multiflore	Agriculture & Agroalimentaire Canada nom officiel	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 30.
German	italienisches Raygras		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
German	welsches Weidelgras		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
German	westerwoldisches Weidelgras		2	Terrell, E. E. 1968. A taxonomic revision of the genus Lolium. Techn. Bull. U.S.D.A. 1392:10.
Italian	loglio italico		2	International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Portuguese	azevém		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanish	ballico italiano		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanish	raygrás italiano		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Swedish	italienskt rajgräs		2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Chinese	duo hua hei mai cao		2	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study
BIOLOGY	038 Winter hardiness	Field resistance.	1 - very low < 20 (%)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
BIOLOGY	040 Drought - resistance		9 - very high > 90 (%)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
BIOLOGY	043 Resistance - Snow mold (Microdochium nivale (FR.) Samuel Hallet)		1 - very low	1992 OSEVA PRO Ltd. Grassland Research Station (10)
BIOLOGY	046 Resistance - Rust (Puccinia sp., Uromyces sp.)		9 - very high	1992 OSEVA PRO Ltd. Grassland Research Station (10)
BIOLOGY	047 Resistance - Leaf spot (Drechslera sp., Mastigosporium sp., Heterosporium sp.)		9 - very high	1992 OSEVA PRO Ltd. Grassland Research Station (10)
CHEMICAL	066 Organic matter digestibility	At the first cut.	5 - medium 66 - 75 (%)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	001 Plant - vegetative growth habit	In the autumn of the sowing year. fig.1	7 - semi-prostrate 56 - 57 (°)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	007 Stem - length	At beginning of flowering in the 1st year after sowing.Length including inflorescence.	7 - long 1026 - 1200 (mm)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	009 Stem - number of leaves	At beginning of flowering in the 1st year after sowing.	7 - high 4,1 - 5	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	011 Leaf - width of flag leaf	At beginning of flowering in the 1st year after sowing.	6 - medium to wide 8,1 - 9,5 (mm)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	012 Leaf - length of flag leaf	At beginning of flowering in the 1st year after sowing.	6 - medium to long 221 - 260 (mm)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	013 Leaf - width of the second leaf (from the top)	At beginning of flowering in the 1st year after sowing.	6 - medium to wide 8,1 - 9,5 (mm)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	014 Leaf - length of the second leaf (from the top)	At beginning of flowering in the 1st year after sowing.	8 - long to very long 301 - 340 (mm)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	017 Leaf - colour intensity	See descriptor no. 16.	5 - medium	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	020 Inflorescence - length	At beginning of flowering in the 1st year after sowing.	7 - long 261 - 300 (mm)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
MORPHOLOGY	028 Spring growth rate	Evaluated when the earliest variety has reached 20 cm of sward height. fig.2	5 - medium 11 - 15 (cm)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
PHENOLOGY	029 Time of inflorescence emergence	Number of days from the 1st April. When beginning has been reached at 10% stems in the plot. At single plants - when the tip of 3 inflorescences is just visible. fig.3	8 - late to very late 68 - 74 (days)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
PHENOLOGY	031 Abundance of inflorescence emergence	Estimate of number of flowering stems.m-2 at heading.	9 - very high > 2000	1992 OSEVA PRO Ltd. Grassland Research Station (10)
PHENOLOGY	033 Regrowth after cutting - at conservation management	Based on regrowth bulk 2 weeks after cut.	7 - high	1992 OSEVA PRO Ltd. Grassland Research Station (10)
PHENOLOGY	035 Aftermath heading		7 - high	1992 OSEVA PRO Ltd. Grassland Research Station (10)
PRODUCTION	056 Sward - total DM yield/year		6 - medium to high 1,11 - 1,3 (kg.m2)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
PRODUCTION	057 Sward - percentage of the 1st cut DM yield on total yield		5 - medium 46 - 60 (%)	1992 OSEVA PRO Ltd. Grassland Research Station (10)
PRODUCTION	065 Sward - 1000 seeds weight (TSW)	TSW - caryopsis according to the descriptor no. 25	8 - high to very high 4,31 - 5,0 (g)	1992 OSEVA PRO Ltd. Grassland Research Station (10)