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Characterisation and evaluation data

Experiment descriptionTrait nameTrait methodScoreScore link
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Lettuce variety descripti[...] Leaf shape1 = narrow elliptic, 2 = [...] 6
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 8
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Leaf glossiness of upper side1=absent or very weak, 3=[...] 4
Lettuce variety descripti[...] Growing conditions1 = indoor, 2 = outdoor, [...] 3
Lettuce variety descripti[...] Leaf blistering1 = absent or very weak, [...] 6
Field characterisation tr[...] Heart formation-1
Field characterisation tr[...] HomogeneityAt harvest maturity (3=he[...] 7
Field characterisation tr[...] Tipburn sensitivityAt harvest maturity1
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Field characterisation tr[...] Plant diameterAt harvest maturity, rela[...] 4
Field characterisation tr[...] Leaf shape(1=narrow elliptic,2=el.,[...] 5
Field characterisation tr[...] Side shoot formation tendAt harvest maturity1
Lettuce variety descripti[...] Leaf attitude at juvenile stage1 = erect, 3 = semi-erect[...] 3
Field characterisation tr[...] Leaf anthocyanin contentAt harvest maturity8
Lettuce variety descripti[...] 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[...] 9
Field characterisation tr[...] Bolting timeCount the days from sowin[...] 104
Screening (2000-2002) by [...] 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[...] 9
Field characterisation tr[...] Head heightAt harvest maturity, rela[...] 3
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
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[...] 8
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 8
Lettuce variety descripti[...] Bolting time(1=very early, ..., 9=ver[...] 7
Lettuce variety descripti[...] Leaf margin undulation1 = absent or very weak, [...] 9
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 8
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Leaf anthocyanin coloration(1=absent, 9=present)9
Lettuce variety descripti[...] Intensity of stem fasciation1 = very weak, 3 = weak, [...] 2
Lettuce variety descripti[...] Leaf margin density of incisions on apical part1 = very sparse, 3 = spar[...] 3
Lettuce variety descripti[...] Stem fasciation(1=absent, 9=present)9
Lettuce variety descripti[...] Head formation1 = absent, 2 = open head[...] 1
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 8
Lettuce variety descripti[...] Lactuca Mozaic VirusResistance to LMV strain [...] 1
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Field characterisation tr[...] Seedling anthocyanin cont(1=not present,9=present)9
Field characterisation tr[...] Leaf anthocyanin patternAt harvest maturity (0=no[...] 1
Screening (2000-2002) by [...] Bremia lactucaeResistance to B. lactucae[...] 9
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Experiment details

Experiment desciptionDataset remarkExperiment start yearExperiment end yearExperiment report
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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