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Variety traits

Lettuce Vigor

Lactuca sativa L.

An integral indicator of lettuce seed quality, determining their ability for uniform germination and intensive vegetative mass development at early stages.

In the reference 129 varieties crop Lettuce, where this is mentioned in the description.

To assess lettuce vigor, laboratory methods are employed, such as the slant test, which allows for the analysis of root development speed, and accelerated aging tests, which reveal seed resistance to adverse conditions. Modern breeding utilizes computer vision to measure the projected canopy area and seedling growth dynamics in mm²/day.

High vigor in lettuce is critical for commercial cultivation, as it enables uniform emergence and reduces the need for thinning. Plants with this trait close the canopy faster, which suppresses weeds, and demonstrate higher marketable yields due to active biomass accumulation.

General information about the subject — on the page Vigor.

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

RAMIRO ARNEDO, S.A.

ES
2 records

Naroa

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

ES
2 records

Lactuca sativa L. · Lettuce

Nunhems B.V.

NL
4 records

Moonice

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
4 records

Merio

Active

Lactuca sativa L. · Lettuce

ReinSaat KG

AT
2 records

Mbriana

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
4 records

Marinie

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
4 records

Mandaro

Terminated

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
4 records

Manarola

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
2 records

Mammamia

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

IT
2 records

Lucior

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
2 records

Livigna

Terminated

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
3 records

Licato

Terminated

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Lalita

Active

Lactuca sativa L. · Lettuce

ReinSaat KG

AT
2 records

Lagovia

Active

Lactuca sativa L. · Lettuce

Nunhems B.V.

NL
4 records

Lagatta

Terminated

Lactuca sativa L. · Lettuce

Nunhems B.V.

NL
4 records

Kountry

Terminated

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
2 records

Kleta

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

ES
2 records

Kantai

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Jaypur

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

ES
3 records

Jankowski

Application submitted

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
3 records

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
4 records

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
2 records

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