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Characterisation and evaluation data

Experiment descriptionTrait nameTrait methodScoreScore link
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 4
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Leaf shape1 = narrow elliptic, 2 = [...] 6
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 4
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] c
Lettuce variety descripti[...] Leaf glossiness of upper side1=absent or very weak, 3=[...] 5
Lettuce variety descripti[...] Head shape1 = narrow elliptic, 2 = [...] 4
Lettuce variety descripti[...] Growing conditions1 = indoor, 2 = outdoor, [...] 1
Lettuce variety descripti[...] Leaf blistering1 = absent or very weak, [...] 5
Glasshouse trial. Sowing [...] Heart formation-7
Field characterisation tr[...] Heart formation-7
Field characterisation tr[...] HomogeneityAt harvest maturity (3=he[...] 6
Glasshouse trial. Sowing [...] HomogeneityAt harvest maturity (3=he[...] 6
Field characterisation tr[...] Tipburn sensitivityAt harvest maturity3
Glasshouse trial. Sowing [...] Tipburn sensitivityAt harvest maturity3
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Glasshouse trial. Sowing [...] Plant diameterAt harvest maturity, rela[...] 5
Field characterisation tr[...] Plant diameterAt harvest maturity, rela[...] 4
Glasshouse trial. Sowing [...] Leaf shape(1=narrow elliptic,2=el.,[...] 5
Field characterisation tr[...] Leaf shape(1=narrow elliptic,2=el.,[...] 5
Field characterisation tr[...] Side shoot formation tendAt harvest maturity1
Glasshouse trial. Sowing [...] Side shoot formation tendAt harvest maturity1
Lettuce variety descripti[...] Leaf attitude at juvenile stage1 = erect, 3 = semi-erect[...] 4
Field characterisation tr[...] Leaf anthocyanin contentAt harvest maturity1
Glasshouse trial. Sowing [...] Leaf anthocyanin contentAt harvest maturity1
Lettuce variety descripti[...] Leaf venationAt harvest maturity (1= n[...] 2
Glasshouse trial. Sowing [...] Leaf venationAt harvest maturity (1= n[...] 2
Field characterisation tr[...] Leaf venationAt harvest maturity (1= n[...] 2
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 1
Field characterisation tr[...] Bolting timeCount the days from sowin[...] 107
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 1
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 1
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Glasshouse trial. Sowing [...] Head heightAt harvest maturity, rela[...] 3
Field characterisation tr[...] Head heightAt harvest maturity, rela[...] 2
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 1
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Leaf blade division at juvenile stage1 = entire, 2 = lobed, 3 [...] 1
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 1
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Bolting time(1=very early, ..., 9=ver[...] 8
Lettuce variety descripti[...] Leaf margin undulation1 = absent or very weak, [...] 5
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Heart formation1 = very loose, 3 = loose[...] 7
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 3
Lettuce variety descripti[...] Head size1=very small,..,9=very la[...] 5
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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
Field characterisation trial, sowing date 18/3/97, planting date 24/4/97, planting distance 30x30cm.Phenotypic data CGN1997
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 CGN2000
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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