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Variety traits

Uniformity of lettuce

Lactuca sativa L.

Uniformity of lettuce determines the degree of plant homogeneity based on morphological and physiological traits, which is critical for simultaneous harvesting.

In the reference 40 varieties crop Lettuce, where this is mentioned in the description.

For lettuce (Lactuca sativa L.), uniformity is characterized by the homogeneity of plants in terms of weight, rosette size, height, leaf count, head density, and stage of market maturity. Assessment is carried out visually or quantitatively, including the use of computer vision systems that analyze canopy projection area and plant compactness.

High uniformity at a level of 90–95% allows for single-pass harvesting, which increases marketability up to 98% and reduces labor costs. Heterogeneity in growth rates is an indicator of failures in irrigation, nutrition, or microclimate management, requiring adjustments to production conditions.

General information about the subject — on the page Uniformity.

Sources8

Varieties of Lettuce mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Murole

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
3 records

Freya

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

ES
2 records

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Red Tip

Active

Lactuca sativa L. · Lettuce

MARALDI SEMENTI S.r.l.

IT
2 records

Afabila

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
4 records

Lactuca sativa L. · Lettuce

Panora s.p.a.

NL
3 records

Borealia

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
2 records

Horisha

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

ES
3 records

Rosplus

Active

Lactuca sativa L. · Lettuce

BLUMEN GROUP S.P.A

IT
2 records

Stacker

Terminated

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
3 records

Golem

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
2 records

Kildary

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
2 records

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
3 records

Lactuca sativa L. · Lettuce

BLUMEN GROUP S.P.A

IT
2 records

Curos

Terminated

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
4 records

Lactuca sativa L. · Lettuce

AUSTROSAAT Österr. Samenzucht- und Handels-AG

AT
2 records

Etincel

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
2 records

Lerinas

Terminated

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
3 records

Plano

Withdrawn

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
3 records

Petrian

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
4 records

Macane

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
3 records

Excellio

Application submitted

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
3 records

Nauplus

Active

Lactuca sativa L. · Lettuce

BLUMEN GROUP S.P.A

IT
2 records

Acropole

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
4 records

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