Details for: PI 536787, Lactuca sativa L., 'Imperial 456'

Summary Data

Taxonomy:

Lactuca sativa L.

Cultivar:

'Imperial 456'

Origin:

Donated – California, United States

Maintained:

Western Regional PI Station

Received by NPGS:

01 Dec 1989

Improvement Status:

Cultivar

Form Received:

Seed

Life Form:

Annual

Life Cycle:

Annual

Backup Location:

National Laboratory for Genetic Resources Preservation

Availability

Form	Quantity	Note	Inventory	Cart
Seed	100 count		PI 536787 91is SD

Restrictions
Plant material may be subject to additional regulations
https://www.nationalplantboard.org/uploads/1/3/6/7/136771235/florida_laws_and_regulations_2022july8.pdf

USA – Florida (See state regulation: Lettuce mosaic)

https://www.nationalplantboard.org/uploads/1/3/6/7/136771235/arizona_npb_summary_061124.pdf

USA – Arizona (See state regulations: Lettuce mosaic.)

There are no images for this accession.

Core Passport Data

Taxonomy:

Lactuca sativa L.

Cultivar:

'Imperial 456'

Origin:

Donated – California, United States

Maintained:

Western Regional PI Station

Received by NPGS:

01 Dec 1989

Improvement Status:

Cultivar

Form Received:

Seed

Life Form:

Annual

Life Cycle:

Annual

Source History

Donated

September 1970.
California, United States

Donor(s):

USDA, ARS

Accession Names and Identifiers

'Imperial 456'

Type: Cultivar name

W6 6447

Type: Site identifier

Group: W6

Western Regional Plant Introduction (W6) accession numbers

USDA-ARS, WRPIS

Narrative

Similar to Great Lakes. Heads medium to small size, globular and exposed. Frame leaves with glossy green color. Resistant to brown blight and some resistance to tipburn. Adapted to muck soils of New York and adjacent states.

Lactuca sativa L.

Genus:

Lactuca

Section:

Lactuca

Family:

Asteraceae (alt. Compositae)

Subfamily:

Cichorioideae

Tribe:

Cichorieae

Subtribe:

Lactucinae

Nomen number:

21360

Place of publication:

Sp. pl. 2:795. 1753

Protologue link:

https://www.biodiversitylibrary.org/page/358816

Typification:

View in Linnean Typification Project

Verified:

10/02/1996 by ARS Systematic Botanists.

Other conspecific taxa

Lactuca sativa L. var. angustana Irish (0 active accession[s])
Lactuca sativa L. var. capitata L. (6 active accession[s])
Lactuca sativa L. var. crispa L. (0 active accession[s])
Lactuca sativa L. var. longifolia Lam. (0 active accession[s])
Lactuca sativa L. var. sativa (0 active accession[s])

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

Common names

Language	Name	seq	Citation
English	garden lettuce	1	Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
English	lettuce	1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
French	laitue	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
French	laitue cultivée	2	Demilly, D. et al. 2001. Liste alphabétique des principales espèces de plantes cultivées et de mauvaises herbes. Noms latins et noms français, ed. 7 GEVES-SNES, Beaucouzé, France.
German	Garten-Lattich	2	Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen 1498.
German	grüner Salat	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
German	Kopfsalat	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Italian	lattuga	2	International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Portuguese	alface	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanish	lechuga	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Swedish	sallat	2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Korean	sangchu	2	Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:105.

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Sample Size	Study	Inventory	Availability
MORPHOLOGY	Head type	Head type	CRP - CRISPHEAD		LETTUCE.HEADTYPE.YR.RYDER	PI 536787 2000ic SD	Not Available
MORPHOLOGY	Head type	Head type	CRP - CRISPHEAD (100%)	20	LETTUCE.2010.SALINAS.HELLIER(1)	PI 536787 91i SD	Not Available
MORPHOLOGY	Seed color	Seed color	WH - white (100%)		LETTUCE.SEEDCOLOR.2015.PULLMAN	PI 536787 91i SD	Not Available
MORPHOLOGY	Seed weight 100	Weight of 100 seeds in grams.	0.104		LETTUCE.SEEDWEIGHT.WRPIS	PI 536787 91i SD	Not Available