MacaÖ
ActiveLactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
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
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. var. capitata L. · Head lettuce
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage
Ger Bimsdeboer
Cucurbita pepo L. · Field pumpkin
Ersyn Hiunes
Spinacia oleracea L. · Spinach
Alekseichuk Ol`ha Mykhailivna, Ul`ianych Olena Ivanivna,
Cichorium intybus L. · Chicory
Hoquet Graines (FR)
Solanum lycopersicum L. · Tomato
Katarzyna Grabka
Rosa L. · Rose
Marie Louise Meilland (FR)
Dianthus L. · Carnation
NOBBIO GIACOMO
Cucumis melo L. · Melon
Angeles Maria
Gladiolus L. · Gladiolus
Firma K. en K. Gootjes
Capsicum annuum L. · Bell pepper
Mr. Basterreix
Chrysanthemum x morifolium Ramat. · Florist's daisy
PARATY B.V.B.A
Levisticum officinale W. D. J. Koch · Lovage
VINATORU COSTELMUSAT BIANCABRATU CAMELIANEGOSANU GEANINAPOPESCU MATILDA
Chrysanthemum x morifolium Ramat. · Florist's daisy
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Lactuca sativa L. var. crispa L. · Leaf lettuce
Mytenko Inna Mykolaivna, Kuraksa Nina Petrivna, Nesyn Volodymyr Mykolaiovych, Pozniak Oleksandr Vasyl`ovych, Tkalych IUrii Vadymovych, Korniienko Serhii Ivanovych, Horova Tamara Korniivna, Kondratenko Serhii Ivanovych,
Raphanus sativus L. var. sativus · Radish
Vyrodova Oksana Volodymyrivna, Cherkasova Valentyna Korniivna, Korniienko Serhii Ivanovych, Syvokon` Nadiia Pylypivna, Kyriukhina Nataliia Oleksandrivna, Horova Tamara Korniivna,
Dianthus L. · Carnation
Dr. Giacomo Nobbio (IT)
Lactuca sativa L. · Lettuce
Domaine Public (FR)
Cucumis sativus L. · Cucumber
Panova Mariia Dmytrivna, Krylov Oleh Mykolaiovych, Borysov Oleksandr Volodymyrovych,
Cucumis sativus L. · Cucumber
Graines Voltz (FR)
Cucumis sativus L. · Cucumber
Krylov Oleh Mykolaiovych, Borysov Oleksandr Volodymyrovych,
Solanum lycopersicum L. · Tomato
Dutch American Plantbreeders Corp.
Capsicum annuum L. · Bell pepper
Holovchenko Roman Oleksandrovych,Holovchenko Oleksandr IAkovych,