Details for: 09H5700538, Lactuca sativa L. var. capitata L., 'May Krop'

Summary Data

Taxonomy:

Lactuca sativa L. var. capitata L.

Cultivar:

'May Krop'

Origin:

Origin – Netherlands

Maintained:

CRI – Genetic Resources of Vegetables and Special Crops

Received by CRI:

1969

Improvement Status:

Advanced/improved cultivar

Life form:

Annual

Growth class:

spring

Is Core:

Form Received:

Seed

Availability

Form	Quantity	Note	Inventory	Cart
Seed	0.1 gram		09H5700538

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:

Lactuca sativa L. var. capitata L.

Cultivar:

'May Krop'

Origin:

Origin – Netherlands

Maintained:

CRI – Genetic Resources of Vegetables and Special Crops

Received by CRI:

1969

Improvement Status:

Advanced/improved cultivar

Life form:

Annual

Growth class:

spring

Is Core:

Form Received:

Seed

Source History

Donated

Netherlands

Accession Group(s)

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

Accession Names and Identifiers

'May Krop'

Type: Cultivar name

9-1-337

Type: Other or unclassified name

Lactuca sativa var. capitata

Type: Full taxon

Narrative

Lactuca sativa L. var. capitata L.

Genus:

Lactuca

Section:

Lactuca

Family:

Asteraceae (alt. Compositae)

Subfamily:

Cichorioideae

Tribe:

Cichorieae

Subtribe:

Lactucinae

Nomen number:

21361

Place of publication:

Sp. pl. 2:795. 1753

Protologue link:

https://biodiversitylibrary.org/page/358816

Comment:

[or L. sativa Crisphead (Iceberg or Cabbage) and Butterhead Lettuce Groups]

Typification:

View in Linnean Typification Project

Verified:

February 23, 1996 by ARS Systematic Botanists.

Other conspecific taxa

Lactuca sativa L. (191 active accession[s])
Lactuca sativa L. var. angustana Irish (2 active accession[s])
Lactuca sativa L. var. crispa L. (27 active accession[s])
Lactuca sativa L. var. longifolia Lam. (18 active accession[s])
Lactuca sativa L. var. sativa (0 active accession[s])

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

Homotypic Synonym(s)
Lactuca sativa L. subsp. capitata (L.) Schübl. & G. Martens

Common names

LANGUAGE	NAME	NOTE	SEQ	CITATION
English	butterhead lettuce	as Butterhead Group	1	Vries, I. M. de. 1997. Origin and domestication of Lactuca sativa L. Genet. Resources Crop Evol. 44:167. Note: = Lactuca sativa Butterhead and Crisphead Groups
English	cabbage lettuce	as Head or Cabbage Lettuce Group	1	Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada Note: = Lactuca sativa, as Head or Cabbage Lettuce Group
English	head lettuce	as Head or Cabbage Lettuce Group	1	Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada Note: = Lactuca sativa, as Head or Cabbage Lettuce Group
English	iceberg lettuce	as Crisphead Group	1	Vries, I. M. de. 1997. Origin and domestication of Lactuca sativa L. Genet. Resources Crop Evol. 44:167. Note: = Lactuca sativa Butterhead and Crisphead Groups
German	Kopfsalat		2	Encke, F. et al. 1993. Zander: Handwörterbuch der Pflanzennamen, 14. Auflage
Italian	lattuga a cappuccio		2	International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Transliterated Russian	laktuk kočany	as Butterhead Group	2	Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 4:2061. Note: treats as Lactuca sativa Butterhead and Crisphead Groups

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study
MORPHOLOGY	007 Young leaf - anthocyanin distribution	at a stage of 10-12 fully developed true leaves	0 - absent	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	010 Young leaf - shape of blade	Fig. 1, at a stage of 10-12 fully developed true leaves	3 - broad elliptic	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	017 Young leaf - venation	Fig. 6, at a stage of 10-12 fully developed true leaves	1 - pinnate	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	020 Outer adult leaf - colour	at a harvest maturity	3 - green	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	030 Outer adult leaf - blistering	at a harvest maturity	3 - slight	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	037 Stem including inflorescence - length	at a stage of full flowering	7 - high >80 (cm)	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	022 Outer adult leaf - anthocyanin distribution	at a harvest maturity	0 - absent	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	032 Head - size of head/rosette (harvested part)	horizontal diameter at a harvest maturity	7 - large >40 (cm)	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	033 Head - shape in vertical section	Fig. 8, at a harvest maturity	4 - orbicular	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	034 Head - overlapping of leaves	at a harvest maturity	3 - partial	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	035 Head - firmness	at a harvest maturity	5 - medium	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	043 Fruit - seed coat colour	after drying to a 15% R.H.	2 - grey white	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	044 Fruit - thousand seeds weight (TSW)	after drying to 15% R.H.	3 - low <0,9 (g)	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	013 Young leaf - margin pattern of blade	Fig. 4, at a stage of 10-12 fully developed true leaves	8 - irregularly dentate	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	014 Young leaf - division of blade (depth of lobes from blade margin to the main vein)	Fig. 5, at a stage of 10-12 fully developed true leaves	0 - none	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
MORPHOLOGY	015 Young leaf - vertical undulation of blade margin	at a stage of 10-12 fully developed true leaves	3 - slight	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
PHENOLOGY	046 Flowering - number of days	number of days from sowing to the first fully developed flower in field at a long day	7 - late >80	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)
PHENOLOGY	045 Bolting - number of days	number of days from sowing to visual symptoms of bolting in field at a long day	7 - late >70	2017 Genebank Department - RICP Prague Vegetable Section Olomouc (L. sativa)