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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.

Eztoril

Terminated

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
4 records

Veteran

Terminated

Lactuca sativa L. · Lettuce

LARRY D. KNERR

NL
3 records

Morrigan

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

ES
2 records

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
3 records

Sycamore

Withdrawn

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
3 records

Procurio

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

NL
3 records

Or Anton

Active

Lactuca sativa L. · Lettuce

ORTORICERCA SRL

IT
2 records

Burgandy

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

2 records

Quione

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
3 records

Ice Metal

Application submitted

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
3 records

Icemoon

Withdrawn

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
2 records

Saralyn

Withdrawn

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
3 records

Clotilde

Active

Lactuca sativa L. · Lettuce

Panora s.p.a.

NL
3 records

Ice Nina

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
4 records

Kebella

Terminated

Lactuca sativa L. · Lettuce

Monsanto Vegetable IP Management B.V.

FR
3 records

Rosaleda

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

ES
2 records

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

ES
2 records

Ferro

Application submitted

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
8 records

Mojantes

Terminated

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
7 records

Maira

Active

Lactuca sativa L. · Lettuce

ANIELLO ANTONIO CUTOLO FILHO / ROMULO FUJITO KOBORI_

NL
2 records

Ovalie

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
2 records

Ursa

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

ES
2 records

Angelix

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
4 records

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