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Characterisation and evaluation data

Experiment descriptionTrait nameTrait methodScoreScore link
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Leaf glossiness of upper side1=absent or very weak, 3=[...] 3
Lettuce variety descripti[...] Head shape1 = narrow elliptic, 2 = [...] 3
Lettuce variety descripti[...] Growing conditions1 = indoor, 2 = outdoor, [...] 1
Glasshouse trial. Sowing [...] Heart formation-4
Glasshouse trial. Sowing [...] HomogeneityAt harvest maturity (3=he[...] 7
Glasshouse trial. Sowing [...] Tipburn sensitivityAt harvest maturity1
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Glasshouse trial. Sowing [...] Plant diameterAt harvest maturity, rela[...] 6
Glasshouse trial. Sowing [...] Leaf shape(1=narrow elliptic,2=el.,[...] 4
Glasshouse trial. Sowing [...] Side shoot formation tendAt harvest maturity1
Lettuce variety descripti[...] Leaf attitude at juvenile stage1 = erect, 3 = semi-erect[...] 5
Glasshouse trial. Sowing [...] Leaf anthocyanin contentAt harvest maturity1
Glasshouse trial. Sowing [...] Leaf venationAt harvest maturity (1= n[...] 1
Multiplication in greenho[...] Flower color(1=yellow, 2=blue)1
Glasshouse trial. Sowing [...] Bolting timeCount the days from sowin[...] 130
Glasshouse trial. Sowing [...] Head heightAt harvest maturity, rela[...] 3
Lettuce variety descripti[...] Bolting time(1=very early, ..., 9=ver[...] 1
Lettuce variety descripti[...] Head size1=very small,..,9=very la[...] 6
Lettuce variety descripti[...] Leaf anthocyanin coloration(1=absent, 9=present)1
Lettuce variety descripti[...] Head formation1 = absent, 2 = open head[...] 3
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Glasshouse trial. Sowing [...] Seedling anthocyanin cont(1=not present,9=present)1
Multiplication in greenho[...] Seedling anthocyanin cont(1=not present,9=present)1
Multiplication in greenho[...] Flowering timeGibberellin. Count days f[...] 3
Lettuce variety descripti[...] Leaf thickness1 = very thin, 3 = thin, [...] 3
Lettuce variety descripti[...] Plant diameter1=very small,..,9=very la[...] 6
Glasshouse trial. Sowing [...] Leaf color(1=yellow, 2=green, 3=gra[...] 2
Glasshouse trial. Sowing [...] Harvest timeCount the days between so[...] 115
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Multiplication in greenho[...] Flower anthocyanin content(1=not present,9=present)1
Lettuce variety descripti[...] Seedling anthocyanin cont(1=absent, 9=present)1
Glasshouse trial. Sowing [...] Head leaves overlapAt harvest maturity (1= n[...] 6
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Observation of seedcolor.Seed color(1=white,2=black,3=varieg[...] 1
Multiplication in greenho[...] Seed harvest timeGibberellin. Count days f[...] 7
Lettuce variety descripti[...] Seed color1 = white, 2 = yellow, 3 [...] 1
Glasshouse trial. Sowing [...] Leaf color intensity(3=light, 5=medium, 7=dar[...] 3
Lettuce variety descripti[...] Leaf attitude at harvest maturity1 = erect, 3 = semi-erect[...] 4
Glasshouse trial. Sowing [...] Leaf blisteringAt harvest maturity3
Glasshouse trial. Sowing [...] Head shapeAt harvest maturity, in l[...] 3
Glasshouse trial. Sowing [...] Leaf margin undulationAt harvest maturity3
Lettuce variety descripti[...] Time period until marketable maturity(1=very early, ..., 9=ver[...] 4
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Glasshouse trial. Sowing [...] Leaf divisionAt harvest maturity (1=0,[...] 1
Multiplication in greenho[...] Seedling cotyledon shape(1=narrow elliptical, 2= [...] 1
Glasshouse trial. Sowing [...] Seedling cotyledon shape(1=narrow elliptical, 2= [...] 2
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Experiment details

Experiment desciptionDataset remarkExperiment start yearExperiment end yearExperiment report
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
Observation of seedcolor.Phenotypic data CGN1997
Multiplication in greenhouse, vernalization date wild species: 19-2-2007, sowing date L. sativa: 23-3-2007, planting date: 27-4-2007, planting distance: 30x30 cm, number of plants: 8 for homogeneous and 16 for heterogeneous accessions.Phenotypic data CGN2007
Lettuce variety descriptions made available by the Netherlands Inspection Service for Horticulture up and until 2013. Descriptions are included for varieties that matched the CGN accession name.Phenotypic data CGN2013
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