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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[...] Leaf shape1 = narrow elliptic, 2 = [...] 5
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
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, [...] 2
Lettuce variety descripti[...] Leaf blistering1 = absent or very weak, [...] 3
Field characterization tr[...] Heart formation-6
Field characterization tr[...] HomogeneityAt harvest maturity (3=he[...] 7
Field characterization tr[...] Tipburn sensitivityAt harvest maturity2
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Field characterization tr[...] Plant diameterAt harvest maturity, rela[...] 7
Field characterization tr[...] Leaf shape(1=narrow elliptic,2=el.,[...] 6
Field characterization tr[...] Side shoot formation tendAt harvest maturity1
Lettuce variety descripti[...] Leaf attitude at juvenile stage1 = erect, 3 = semi-erect[...] 3
Field characterization tr[...] Leaf anthocyanin contentAt harvest maturity1
Lettuce variety descripti[...] Leaf venationAt harvest maturity (1= n[...] 2
Field characterization tr[...] Leaf venationAt harvest maturity (1= n[...] 2
Field characterization tr[...] Bolting timeCount the days from sowin[...] 112
Field characterization tr[...] Head heightAt harvest maturity, rela[...] 3
Lettuce variety descripti[...] Leaf blade division at juvenile stage1 = entire, 2 = lobed, 3 [...] 1
Lettuce variety descripti[...] Bolting time(1=very early, ..., 9=ver[...] 9
Lettuce variety descripti[...] Leaf margin undulation1 = absent or very weak, [...] 6
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Lettuce variety descripti[...] Heart formation1 = very loose, 3 = loose[...] 8
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[...] Leaf margin density of incisions on apical part1 = very sparse, 3 = spar[...] 5
Lettuce variety descripti[...] Stem fasciation(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[...] 9
Field characterization tr[...] Seedling anthocyanin cont(1=not present,9=present)1
Lettuce variety descripti[...] Leaf thickness1 = very thin, 3 = thin, [...] 7
Lettuce variety descripti[...] Plant diameter1=very small,..,9=very la[...] 7
Field characterization tr[...] Leaf color(1=yellow, 2=green, 3=gra[...] 2
Lettuce variety descripti[...] Leaf margin incisions on apical part(1=absent, 9=present)9
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 9
Lettuce variety descripti[...] Seedling anthocyanin cont(1=absent, 9=present)1
Field characterization tr[...] Head leaves overlapAt harvest maturity (1= n[...] 8
Lettuce variety descripti[...] Head leaves overlap1 = very weak, 3 = weak, [...] 7
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
Screening of TSWV (Tomato[...] Tomato Spotted Wilt Virus0=fully resistant, 1= hig[...] 2
Lettuce variety descripti[...] Bremia lactucaeResistance to B. lactucae[...] 1
Lettuce variety descripti[...] Seed color1 = white, 2 = yellow, 3 [...] 1
Field characterization tr[...] Leaf color intensity(3=light, 5=medium, 7=dar[...] 5
Lettuce variety descripti[...] Leaf division(1=very shallow, 3=shallo[...] 4
Lettuce variety descripti[...] Leaf attitude at harvest maturity1 = erect, 3 = semi-erect[...] 4
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Experiment details

Experiment desciptionDataset remarkExperiment start yearExperiment end yearExperiment report
Field characterization trial.Phenotypic data CGN1995
Observation of seedcolor.Phenotypic data CGN1997
Screening of TSWV (Tomato Spotted Wilt Virus) by RijkZwaan using mechanical inoculation method (PRI-IPO) on 9 young plants per acc., scoring of symptoms after 1-2 weeks using a scale ranging from 0 (fully resistant) to 4 (susceptible).Phenotypic data CGN2002
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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