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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.

Rincon

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Alborada

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
6 records

Calorice

Terminated

Lactuca sativa L. · Lettuce

Vilmorin SA (FR)

FR HR
3 records

Caledonas

Terminated

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Colbiana

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
5 records

Gregorio

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
5 records

Larsen

Active

Lactuca sativa L. · Lettuce

MORAVOSEED

CZ
3 records

Gourmandine

Terminated

Lactuca sativa L. · Lettuce

Vilmorin-Mikado S.A.S.

FR
4 records

Lactuca sativa L. · Lettuce

NUNHEMS

NL
6 records

Jeannice

Active

Lactuca sativa L. · Lettuce

BEJO ZADEN

NL
6 records

Zanardi

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
7 records

Rodman

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Temira

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
6 records

Bolognia

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
4 records

Greco

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
6 records

Comedion

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
4 records

Joice

Active

Lactuca sativa L. · Lettuce

BEJO ZADEN

NL
9 records

Optima

Application submitted

Lactuca sativa L. · Lettuce

Vilmorin, S.A.

FR
4 records

Cercas

Application submitted

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Estagio

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

NL
5 records

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
6 records

Beronas

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Sancho

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
5 records

Thicket

Active

Lactuca sativa L. · Lettuce

Nunhems Netherlands B.V.

NL
10 records

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