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Characterisation and evaluation data

Experiment descriptionTrait nameTrait methodScoreScore link
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Leaf glossiness of upper side1=absent or very weak, 3=[...] 6
Lettuce variety descripti[...] Head shape1 = narrow elliptic, 2 = [...] 3
Lettuce variety descripti[...] Leaf blistering1 = absent or very weak, [...] 3
Tests with 14 NL and 6 Cz[...] Bremia lactucaeResistance to B. lactucae[...] 9
Glasshouse trial. Sowing [...] Heart formation-6
Glasshouse trial, butterh[...] Heart formation-3
Glasshouse trial, butterh[...] HomogeneityAt harvest maturity (3=he[...] 7
Glasshouse trial. Sowing [...] HomogeneityAt harvest maturity (3=he[...] 7
Glasshouse trial, butterh[...] Tipburn sensitivityAt harvest maturity1
Glasshouse trial. Sowing [...] Tipburn sensitivityAt harvest maturity2
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Glasshouse trial. Sowing [...] Plant diameterAt harvest maturity, rela[...] 6
Glasshouse trial, butterh[...] Plant diameterAt harvest maturity, rela[...] 6
Glasshouse trial. Sowing [...] Leaf shape(1=narrow elliptic,2=el.,[...] 4
Glasshouse trial, butterh[...] Leaf shape(1=narrow elliptic,2=el.,[...] 3
Glasshouse trial, butterh[...] Side shoot formation tendAt harvest maturity1
Glasshouse trial. Sowing [...] Side shoot formation tendAt harvest maturity1
Tests with 14 NL and 6 Cz[...] Bremia lactucaeResistance to B. lactucae[...] 9
Glasshouse trial. Sowing [...] Leaf anthocyanin contentAt harvest maturity1
Glasshouse trial, butterh[...] Leaf anthocyanin contentAt harvest maturity1
Glasshouse trial, butterh[...] Leaf venationAt harvest maturity (1= n[...] 1
Glasshouse trial. Sowing [...] Leaf venationAt harvest maturity (1= n[...] 1
Tests with 14 NL and 6 Cz[...] Bremia lactucaeResistance to B. lactucae[...] 0
Glasshouse trial, butterh[...] Bolting timeCount the days from sowin[...] 130
Glasshouse trial. Sowing [...] Bolting timeCount the days from sowin[...] 132
Glasshouse trial. Sowing [...] Head heightAt harvest maturity, rela[...] 3
Glasshouse trial, butterh[...] Head heightAt harvest maturity, rela[...] 3
Lettuce variety descripti[...] Heart formation1 = very loose, 3 = loose[...] 5
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[...] Lactuca Mozaic VirusResistance to LMV strain [...] 1
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Glasshouse trial. Sowing [...] Seedling anthocyanin cont(1=not present,9=present)1
Glasshouse trial, butterh[...] Seedling anthocyanin cont(1=not present,9=present)1
Lettuce multiplication. G[...] Flowering timeGibberellin. Count days f[...] 3
Tests with 14 NL and 6 Cz[...] Bremia lactucaeResistance to B. lactucae[...] 0
Glasshouse trial. Sowing [...] Leaf color(1=yellow, 2=green, 3=gra[...] 2
Glasshouse trial, butterh[...] Leaf color(1=yellow, 2=green, 3=gra[...] 2
Glasshouse trial, butterh[...] Harvest timeCount the days between so[...] 113
Glasshouse trial. Sowing [...] Harvest timeCount the days between so[...] 115
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Lettuce variety descripti[...] Seedling anthocyanin cont(1=absent, 9=present)1
Glasshouse trial. Sowing [...] Head leaves overlapAt harvest maturity (1= n[...] 6
Glasshouse trial, butterh[...] Head leaves overlapAt harvest maturity (1= n[...] 5
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Old filed observations.Seed color(1=white,2=black,3=varieg[...] 1
Lettuce multiplication. G[...] Seed harvest timeGibberellin. Count days f[...] 6
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Experiment details

Experiment desciptionDataset remarkExperiment start yearExperiment end yearExperiment report
Old filed observations.Phenotypic data CGN1987
Lettuce multiplication. Glashouse without artificial light. Two treatments: - no special treatment, sowing date : 8/3, planting date : 6/4, - with foliar gibberellin sprays 10 ppm, sow.date: 8/3, plant date 6/4.Phenotypic data CGN1982
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
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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