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Passport data details
Characterisation and evaluation data
Experiment details

PUID/DOI

10.18730/182F6

National Inventory code

NLD

National Inventory name

Netherlands

Institute code

NLD037 (Contact details on FAO-WIEWS website)

Institute name

Centre for Genetic Resources, the Netherlands, Wageningen, Netherlands

Accession number

CGN04496

Accession names

ARDENTE

Crop names

lettuce

Assigned crop name

COSLETTUCE,CURLEDLETTUCE,ASPARAGUSL[...]

Country of origin

NLD (Netherlands)

MLS status

not part of the MLS

AEGIS status

part of the AEGIS

Genus

Lactuca

Species

sativa

Species authority

Subtaxa

group Butterhead Lettuce

Biological status

500 (Advanced or improved cultivar (conventional breeding methods))

Acquisition source

40 (Institute, Experimental station, Research organization, Genebank)

Acquisition date

1986-11-05

Germplasm storage

12 (Medium term);13 (Long term)

Donor institute code

NLD083

Donor institute name

Centre for Plant Breeding and Reproduction Research, Wageningen, Netherlands

Donor accession number

IVT 16

Breeder institute code

NLD066

Accession URL

https://cgngenis.wur.nl/accessiondetails/CGN04496

In situ CWR accession

Download

Last update of accession record:

2025-06-17

Characterisation and evaluation data

Experiment description	Trait name	Trait method	Score
Glasshouse trial, butterh[...]	Leaf division	At harvest maturity (1=0,[...]	1
Glasshouse trial, butterh[...]	Leaf blistering	At harvest maturity	4
Glasshouse trial, butterh[...]	Seedling cotyledon shape	(1=narrow elliptical, 2= [...]	2
Multipl. Glashouse 15-18o[...]	Seedling cotyledon shape	(1=narrow elliptical, 2= [...]	2
Determination by spectrop[...]	Nitrate content	Mean nitrate content of t[...]	1.77
Glasshouse trial, butterh[...]	Leaf anthocyanin content	At harvest maturity	2
Glasshouse trial, butterh[...]	Leaf venation	At harvest maturity (1= n[...]	1
Glasshouse trial, butterh[...]	Plant diameter	At harvest maturity, rela[...]	7
Glasshouse trial, butterh[...]	Bolting time	Count the days from sowin[...]	140
Glasshouse trial, butterh[...]	Side shoot formation tend	At harvest maturity	1
Glasshouse trial, butterh[...]	Leaf shape	(1=narrow elliptic,2=el.,[...]	4
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	0
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	9
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	0
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	1
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	7
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	c
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	1
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	c
Glasshouse trial, butterh[...]	Leaf color intensity	(3=light, 5=medium, 7=dar[...]	4
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	9
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	9
Lettuce variety descripti[...]	Growing conditions	1 = indoor, 2 = outdoor, [...]	1
Lettuce variety descripti[...]	Leaf glossiness of upper side	1=absent or very weak, 3=[...]	6
Lettuce variety descripti[...]	Leaf blistering	1 = absent or very weak, [...]	4
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	9
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	3
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	8
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	9
Screening for resistance [...]	Erysiphe cichoracearum	(R=resistant, S=susceptib[...]	R
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	9
Screening (2000-2002) by [...]	Bremia lactucae	Resistance to B. lactucae[...]	1
Screening of TSWV (Tomato[...]	Tomato Spotted Wilt Virus	0=fully resistant, 1= hig[...]	1
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	0
Glasshouse trial, butterh[...]	Leaf color	(1=yellow, 2=green, 3=gra[...]	2
Test for brown let.aphid [...]	Uroleucon sonchi	Mean weight in micrograms[...]	1761
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	9
Glasshouse trial, butterh[...]	Harvest time	Count the days between so[...]	109
Lettuce variety descripti[...]	Seed color	1 = white, 2 = yellow, 3 [...]	1
Glasshouse trial, butterh[...]	Leaf margin undulation	At harvest maturity	3
Glasshouse trial, butterh[...]	Heart formation	-	5
Glasshouse trial, butterh[...]	Homogeneity	At harvest maturity (3=he[...]	7
Glasshouse trial, butterh[...]	Tipburn sensitivity	At harvest maturity	2
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	6
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	0
Multipl. Glashouse 15-18o[...]	Seedling anthocyanin cont	(1=not present,9=present)	9
Glasshouse trial, butterh[...]	Seedling anthocyanin cont	(1=not present,9=present)	9
Multipl. Glashouse 15-18o[...]	Flowering time	Gibberellin. Count days f[...]	4
Glasshouse trial, butterh[...]	Head height	At harvest maturity, rela[...]	3
Tests with 14 NL and 6 Cz[...]	Bremia lactucae	Resistance to B. lactucae[...]	0

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Experiment details

Experiment desciption	Dataset remark	Experiment start year
Old filed observations.	Phenotypic data CGN	1987
Multipl. Glashouse 15-18oC, no artificial light. 4 treatm.:-no treat, sow.d.:27/3, plan.d.:22/4, - vernalisation germinated seeds, s.date:7/2, pl.date:22/4, -foliar gibberellin 25 ppm, s.d.:27/3, pl.d.:22/4, -in pots, s.d.:27/3, pl.d.:17/4.	Phenotypic data CGN	1985
Screening for resist. to potato aphid by K.Reinink. Seedsamples tested differed from CGNacces. Glassh., 20oC, 16h light, suppl.light with SON_T, 6 leafcages each 3 larvae (<24h.old) attached to abaxial leafside, 1 pl. per 1,35l pot, 2 repl.	Phenotypic data CGN	1987
Test for brown let.aphid resist. by K.Reinink. Seed samples differ from CGNacces. Glassh. 20oC min. dayl.16h, SON_T if ness., 6 leafcages with each 3 larvae (<24h.old) attached to the abaxial side of leaves. 1 pl. per 1,35l pot, 2 repl.	Phenotypic data CGN	1989
Test lettuce root aphid resist. Samples tested differ from CGN acces. Seedl. unif. vigor in 5cm pots, 19oC, mercury vapor, add. light to 16h. Inoc.: 2 weeks aft. potting, 1 newly mature virginoparous aphid /pl. on roots. Scored 2 w. later.	Phenotypic data CGN	1980
Tests with 14 NL and 6 Czechoslovakian races. 20 Seedling or 5 leaf discs on moistened filter paper. Inoc.5E4 sp/ml. Temp 15oC. Scored after 8-12d. Accessions heterogeneous to NL1 or NL3: only resistant plants were scored for other races. R	Phenotypic data CGN	1989
Glasshouse trial, butterhead lettuce. Sowing date 28/12/95, planting date 15/2. 17 reference varieties, 40 pl/object. Planting distance 25x27. Location glashouse 10,dep.6.	Phenotypic data CGN	1996
Screening (2000-2002) by 7 comp. associated with Plantum NL, stand. NAKT method, 30 pl. per race per acc., scoring % resist. plants, in general seperate scores by two diff. comp. per race, using the means when scores not too conflicting.	Phenotypic data CGN	2000
Screening of TSWV (Tomato Spotted Wilt Virus) by RijkZwaan using mechanical inoculation method (PRI-IPO) on 9 young plants per acc., scoring of symptoms after 1-2 weeks using a scale ranging from 0 (fully resistant) to 4 (susceptible).	Phenotypic data CGN	2002
Screening for resistance against Pemphigus bursarius (Lettuce root aphid 1999;2003), Erysiphe cichoracearum (Powdery mildew 1999;2003-2004), Sclerotinia sclerotiorum (Pink rot 1999-2001;2003-2004) and Bremia lactucae (Downy mildew 2001).	Phenotypic data CGN	1999
Determination by spectrophotometry of nitrate content in plants grown in soil with low nitrate content.	Phenotypic data CGN	2009
Lettuce variety descriptions made available by the Netherlands Inspection Service for Horticulture and GEVES France up and until 2023. Descriptions are included for varieties that matched the CGN accession name.	Phenotypic data CGN	2023

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Passport data

Accession details