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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.

Lactuca sativa L. · Lettuce

NUNHEMS

NL
8 records

Prodigio

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

NL
11 records

Lactuca sativa L. · Lettuce

SYNGENTA SEEDS B.V.

ES NL
7 records

Lactuca sativa L. · Lettuce

Bejo Zaden, NL

NL
6 records

Patrona

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
8 records

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
7 records

Lactuca sativa L. · Lettuce

Nunhems B.V.

NL
8 records

Meteore

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds, NL

NL
7 records

Loretta

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
9 records

Liberkin

Active

Lactuca sativa L. · Lettuce

NUNHEMS

NL
8 records

Juniper

Active

Lactuca sativa L. · Lettuce

Nunhems B.V., Nunhems B.V.

NL
8 records

Javio

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
8 records

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
8 records

Lactuca sativa L. · Lettuce

Harris Moran Seed Company (USA) (US)

FR NL
5 records

Glendana

Active

Lactuca sativa L. · Lettuce

Steven Mitchell, Daniel Trimboli, Enza Zaden Australia Pty Ltd

NL
6 records

Flambine

Active

Lactuca sativa L. · Lettuce

VILMORIN, VILMORIN

FR
6 records

Finstar

Active

Lactuca sativa L. · Lettuce

P.DEGREEF

NL
9 records

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
8 records

Estival

Active

Lactuca sativa L. · Lettuce

Agriculture and Agri-Food Canada

NL
7 records

Diskoa

Active

Lactuca sativa L. · Lettuce

VILMORIN, VILMORIN

FR
7 records

Desirade

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
7 records

Cortazar

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
8 records

Cecilia

Active

Lactuca sativa L. · Lettuce

Tezier SA (FR)

FR NL
10 records

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