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Variety traits

Tolerance in Lettuce

Lactuca sativa L.

Tolerance in lettuce is expressed as the ability of plants to maintain productivity and quality under abiotic stresses, such as high temperatures or substrate salinity.

In the reference 236 varieties crop Lettuce, where this is mentioned in the description.

Thermotolerance in lettuce is assessed by the ability of seeds to germinate at 30 °C and the resistance of adult plants to premature bolting and tipburn. Key indicators include the thermo-inhibition coefficient, germination rate, and scoring scales for internode elongation.

When assessing salinity tolerance, the effect of salt concentration on marketable leaf biomass, leaf surface area, and pigment content is measured. Lettuce is considered a moderately sensitive crop, which, under stress, typically exhibits a decrease in market quality and the development of bitterness in the leaves.

General information about the subject — on the page Tolerance.

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.

Gylona

Active

Lactuca sativa L. · Lettuce

Jim Cervantes Flores

NL
5 records

Lactuca sativa L. · Lettuce

Seminis Vegetable Seeds

BG
3 records

Skeltone

Terminated

Lactuca sativa L. · Lettuce

Vilmorin-Mikado S.A.S.

FR
4 records

Pantion

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
4 records

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
6 records

Volcana

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
5 records

Keli

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
5 records

Emocion

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
5 records

Mahonia

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
6 records

Cancan

Active

Lactuca sativa L. · Lettuce

Hazera Seeds B.V.

NL
4 records

Avemus

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Lactuca sativa L. · Lettuce

NUNHEMS

NL
5 records

Derbi

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
4 records

Alcaline

Terminated

Lactuca sativa L. · Lettuce

Vilmorin-Mikado S.A.S.

FR
4 records

Adriana

Terminated

Lactuca sativa L. · Lettuce

Graines Gautier SA (FR)

FR NL
4 records

Agros

Terminated

Lactuca sativa L. · Lettuce

Nunhems B.V.

NL
6 records

Alision

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
5 records

Lactuca sativa L. · Lettuce

Vilmorin-Mikado S.A.S.

FR
4 records

Guidizel

Active

Lactuca sativa L. · Lettuce

BEJO ZADEN

NL
6 records

Diurnas

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
7 records

Nevanas

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Starena

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

NL
7 records

Liano

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
6 records

Flocoon

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado S.A.S.

FR
4 records

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