Yakina
ActiveLactuca sativa L. · Lettuce
Syngenta Crop Protection AG
NL
6 records
Cultivation
Field-grown lettuce
Lactuca sativa L.
Growing lettuce in open fields requires the selection of varieties resistant to bolting under long-day conditions and the management of downy mildew. The crop is characterized by high earliness, which allows for succession planting, and the ability to tolerate frosts down to -2 °C.
In the reference 1 060 varieties crop Lettuce, where this is mentioned in the description.
When cultivating lettuce in open fields, sensitivity to photoperiodism and temperature is a critical factor. Summer varieties must possess bolting resistance, as excessive light and heat trigger premature transition to flowering. The plant's shallow root system requires consistent soil moisture maintenance, and non-woven row covers are often used to protect against heat stress.
Open-field technology involves using lettuce as an intercrop, which is feasible due to its short growing period of 25–40 days. Soil requirements are limited to a pH range of 6.0–6.8, and the quality of seedbed preparation must exclude large clods due to the small size of the seeds. Cold hardiness allows for winter and early spring sowing, while considering the necessity of protection against downy mildew, caused by the pathogen Bremia lactucae.
General information about the subject — on the page Open field.
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.
Larabel
ActiveLactuca sativa L. · Lettuce
BEJO ZADEN
NL
9 records
Merlinas
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
5 records
Sampedro
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
5 records
Sebastiano
ActiveLactuca sativa L. · Lettuce
ENZA ZADEN
NL
3 records
Noumea
ActiveLactuca sativa L. · Lettuce
Vilmorin-Mikado SAS (FR)
FR
6 records
Wellkin
ActiveLactuca sativa L. · Lettuce
Nunhems B.V.
NL
6 records
Baronet
TerminatedLactuca sativa L. · Lettuce
GLASSHOUSE CROPS RESEARCH
NL
4 records
Rawonder
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
6 records
Leda
ActiveLactuca sativa L. · Lettuce
Sjemenarna Ljubljana (SI)
HR
SI
4 records
Jarmo
Application submittedLactuca sativa L. · Lettuce
Enza Zaden Seed Operations B.V.
NL
5 records
Nimus
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
5 records
Ximenes
ActiveLactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
NL
6 records
Balbinas
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
5 records
Bocado
ActiveLactuca sativa L. · Lettuce
Vilmorin-Mikado S.A.S.
FR
4 records
Closinas
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
4 records
Adelita
ActiveLactuca sativa L. · Lettuce
Syngenta Seeds B.V.
NL
9 records
Crystique
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
5 records
Ovired
ActiveLactuca sativa L. · Lettuce
ENZA ZADEN
NL
3 records
Publius
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
NL
5 records
Cocarde
ActiveLactuca sativa L. · Lettuce
ReinSaat KG
AT
FR
4 records
Icaro
ActiveLactuca sativa L. · Lettuce
Gautier Semences SAS (FR)
FR
PT
6 records
Sofia
ActiveLactuca sativa L. · Lettuce
CONSORZIO SEMENCOOP S. COOP.A.R.L.
IT
NL
3 records
Rio Bravo
ActiveLactuca sativa L. · Lettuce
Syngenta Seeds B.V.
NL
5 records