Rosnella
ActiveLactuca sativa L. · Lettuce
BLUMEN GROUP S.P.A
Cultivation
Cultivation in open field conditions requires the selection of varieties adapted to uncontrolled environmental factors and climatic fluctuations. Such varieties are characterized by genetic plasticity, stress tolerance, and a vegetation period consistent with local weather conditions.
Mentioned in descriptions 28 305 varieties reference book.
Varieties for open field cultivation are bred for adaptation to uncontrolled environmental conditions, unlike greenhouse varieties. Their key feature is the ability to provide a stable yield under fluctuations in temperature, humidity, and light intensity, as well as increased resistance to regional disease pressure.
The choice of variety for open field cultivation depends on the phenological characteristics of the plant, where the life cycle must fit within the frost-free period of a specific location. Morphology is an important factor: preference is often given to determinate forms, resistant to wind stress, and the crop's ability to mature uniformly to facilitate harvesting.
Cultivation technology in open field conditions requires taking into account the biological characteristics of the variety, such as the need for insect pollination. Varieties for field conditions possess higher plasticity, which allows them to maintain yield under less intensive care and nutrient management, while greenhouse counterparts often demonstrate reduced productivity and susceptibility to stress under such conditions.
Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.
Lactuca sativa L. · Lettuce
BLUMEN GROUP S.P.A
Lactuca sativa L. · Lettuce
Gautier Semences SAS (FR)
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De Bolster B.V.
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MIRA SEEDS S.R.L.
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BURPEE NL B.V.
Solanum lycopersicum L. · Tomato
Prosem (FR)
Solanum lycopersicum L. var. lycopersicum · Tomato
PARMA SEEDS SRL
Solanum melongena L. · Eggplant
BRATU CAMELIAVINATORU COSTELMUSAT BIANCABARCANU - TUDOR ELENA
Raphanus sativus L. var. sativus · Radish
Domaine Public (FR)
Capsicum annuum L. · Bell pepper
Domaine Public (FR)
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis melo L. · Melon
NIRIT SEEDS
Capsicum annuum L. · Bell pepper
LA SEMIORTO SEMENTI SRL
Lactuca sativa L. · Lettuce
ReinSaat KG
Solanum melongena L. · Eggplant
Gautier Semences SAS (FR)
Lactuca sativa L. · Lettuce
Graines Gautier SA (FR)
Raphanus sativus L. var. sativus · Radish
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Solanum lycopersicum L. · Tomato
Syngenta Seeds B.V.
Cucurbita pepo L. · Field pumpkin
UNITED GENETICS SEEDS CO
Solanum lycopersicum L. · Tomato
Thompson & Morgan (Ipswich) Ltd
Raphanus sativus L. var. sativus · Radish
Hazera Seeds B.V.
Capsicum annuum L. · Bell pepper
UNITED GENETICS SEEDS CO
Capsicum annuum L. · Bell pepper
"Florian" OOD - Ruse (BG)
Capsicum annuum L. · Bell pepper
ReinSaat KG