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Characterisation and evaluation data

Experiment descriptionTrait nameTrait methodScoreScore link
Tests with 14 NL and 6 Cz[...] Bremia lactucaeResistance to B. lactucae[...] 9
Glasshouse trial. Sowing [...] Heart formation-6
Glasshouse trial. Sowing [...] HomogeneityAt harvest maturity (3=he[...] 7
Field trail for character[...] HomogeneityAt harvest maturity (3=he[...] 6
Glasshouse trial, butterh[...] HomogeneityAt harvest maturity (3=he[...] 7
Glasshouse trial, butterh[...] Tipburn sensitivityAt harvest maturity1
Field trail for character[...] Tipburn sensitivityAt harvest maturity3
Glasshouse trial. Sowing [...] Tipburn sensitivityAt harvest maturity3
Glasshouse trial, butterh[...] Plant diameterAt harvest maturity, rela[...] 6
Glasshouse trial. Sowing [...] Plant diameterAt harvest maturity, rela[...] 6
Field trail for character[...] Plant diameterAt harvest maturity, rela[...] 4
Field trail for character[...] Leaf shape(1=narrow elliptic,2=el.,[...] 4
Glasshouse trial. Sowing [...] Leaf shape(1=narrow elliptic,2=el.,[...] 4
Glasshouse trial, butterh[...] Leaf shape(1=narrow elliptic,2=el.,[...] 4
Glasshouse trial. Sowing [...] Side shoot formation tendAt harvest maturity1
Field trail for character[...] Side shoot formation tendAt harvest maturity1
Glasshouse trial, butterh[...] Side shoot formation tendAt harvest maturity1
Glasshouse trial. Sowing [...] Leaf anthocyanin contentAt harvest maturity2
Glasshouse trial, butterh[...] Leaf anthocyanin contentAt harvest maturity2
Field trail for character[...] Leaf anthocyanin contentAt harvest maturity2
Glasshouse trial. Sowing [...] Leaf venationAt harvest maturity (1= n[...] 1
Field trail for character[...] Leaf venationAt harvest maturity (1= n[...] 1
Glasshouse trial, butterh[...] Leaf venationAt harvest maturity (1= n[...] 1
Glasshouse trial, butterh[...] Bolting timeCount the days from sowin[...] 140
Field trail for character[...] Bolting timeCount the days from sowin[...] 108
Glasshouse trial. Sowing [...] Bolting timeCount the days from sowin[...] 138
Field trail for character[...] Head heightAt harvest maturity, rela[...] 2
Glasshouse trial, butterh[...] Head heightAt harvest maturity, rela[...] 3
Glasshouse trial. Sowing [...] Head heightAt harvest maturity, rela[...] 3
By NLD037: Experiments at[...] Seed colour1=white/cream, 2=yellow, [...] 1
By NLD037: Experiments at[...] Leaf anthocyanin content0=absent, 3=weak, 5=mediu[...] 2
By NLD037: Experiments at[...] Outer leaf colour1=yellow green, 2=green, [...] 2
By NLD037: Experiments at[...] Outer leaf colour intensity3=light, 5=medium, 7=dark4
By NLD037: Experiments at[...] Head shape0=head not formed, 1=elli[...] 3
By NLD037: Experiments at[...] Heart formation0=absent, 3=slight, 5=mod[...] 6
By NLD037: Experiments at[...] Homogeneity1=completely heterogeneou[...] 6
By NLD037: Experiments at[...] Seedling anthocyanin content1=absent, 9=present9
By NLD037: Experiments at[...] Seedling cotyledon shape1=narrow elliptical, 2= b[...] 2
By NLD037: Experiments at[...] Leaf anthocyanin distribution0=absent, 1=localised, 2=[...] 1
By NLD037: Experiments at[...] Leaf anthocyanin pattern0=absent, 1=diffused, 2=i[...] 1
By NLD037: Experiments at[...] Leaf division1=0, 3=1/3, 5=1/2, 7=2/31
By NLD037: Experiments at[...] Leaf blisteringScale ranging from 1 (low[...] 4
By NLD037: Experiments at[...] Leaf margin undulationScale ranging from 1 (low[...] 2
By NLD037: Experiments at[...] Leaf venation1=not flabellate, 2=flabe[...] 1
By NLD037: Experiments at[...] Head leaves overlap1=no overlap, 5=half over[...] 65
By NLD037: Experiments at[...] Head heightScale ranging from 1 (low[...] 2
By NLD037: Experiments at[...] Plant diameterScale ranging from 1 (low[...] 4
By NLD037: Experiments at[...] Tipburn sensitivityScale ranging from 1 (low[...] 3
By NLD037: Experiments at[...] Side shoot formation tendencyScale ranging from 1 (low[...] 1
By NLD037: Experiments at[...] Leaf shape1=narrow elliptic, 2=elli[...] 4
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Experiment details

Experiment desciptionDataset remarkExperiment start yearExperiment end yearExperiment report
By NLD037: Experiments at the experimental field station "Nergena" in Wageningen. Sowing: 14/3/2008 and 30 plants per accession were transferred to the field on 23/4/2008. Two rows with 30 cm inter-plant distance.ECPGR CCDB Lettuce data from AUT046, DEU146, GBR006, GBR017, NLD037 and SVN019 extracted 2018-12-03. This data and also some more evaluation and utilization data (not in EURISCO) are available from https://ecpgr.cgn.wur.nl/LVintro/ildb/ .2008
Old filed observations.Phenotypic data CGN1987
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 CGN1985
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 CGN1987
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 CGN1989
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. RPhenotypic data CGN1989
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 CGN1996
Glasshouse trial. Sowing date 27/12/96, planting date 13/2/97, 17 reference varieties, 40 pl/obj, planting distance 25x27 (30x30 for crisp). Location: CPRO glasshouse 10, dep.6.Phenotypic data CGN1997
Field trail for characterization of 284 accessions. Sowing date:14-3-2008, planting date 23-4-2008:, planting distance 30x30, 30 plants per accession, Location: Nergena, Wageningen.Phenotypic data CGN2008
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