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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.

Mignone

Active

Lactuca sativa L. · Lettuce

Vilmorin, F

FR
4 records

Hetea

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Kimenoz

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
5 records

Chester

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR NL
3 records

Miriago

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

NL
5 records

Carasco

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Quator

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado S.A.S.

FR
4 records

Alega

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
6 records

Colanzi

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
8 records

Quefir

Terminated

Lactuca sativa L. · Lettuce

Vilmorin-Mikado S.A.S.

FR
4 records

Aferdita

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
5 records

Faramir

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer

NL
6 records

Treslia

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
6 records

Alquibla

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
5 records

Starsky

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
4 records

Appia

Active

Lactuca sativa L. · Lettuce

CLAUSE, S.A.

ES FR
4 records

Gregorio

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

NL
5 records

Pereion

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
4 records

Parole

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

NL
7 records

Cobain

Active

Lactuca sativa L. · Lettuce

Nunhems B.V., 6083 AB Nunhem

NL
5 records

Litska

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
5 records

Kiden

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Athmos

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
7 records

Weaverville

Terminated

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
6 records

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