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. · Lettuce
Syngenta Crop Protection AG
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P.|Salinas, CA
Capsicum annuum L. · Bell pepper
ZERAIM GEDERA
Lactuca sativa L. · Lettuce
Lemont
Lactuca sativa L. · Lettuce
Syngenta Seeds B.V.
Linum usitatissimum L. · Common flax
Linéa Semences de Lin G.I.E.
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Spinacia oleracea L. · Spinach
Syngenta Crop Protection AG
Lactuca sativa L. · Lettuce
ISI Sementi, I
Capsicum annuum L. · Bell pepper
Vilmorin SA (FR)
Spinacia oleracea L. · Spinach
Syngenta Crop Protection AG
Spinacia oleracea L. · Spinach
Syngenta Seeds, NL
Lactuca sativa L. · Lettuce
Syngenta Seeds B.V.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
United Genetics, I
Lactuca sativa L. · Lettuce
ENZA ZADEN
Cucurbita pepo L. · Field pumpkin
A L TOZER LTD
Spinacia oleracea L. · Spinach
Rijk Zwaan, NL
Solanum lycopersicum L. var. lycopersicum · Tomato
HM CLAUSE, FR
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis sativus L. · Cucumber
KRYMSKAYA OPYTNO-SELEKCZIONNAYA STANCZIYA VNIIR
Lactuca sativa L. · Lettuce
Syngenta UK Ltd
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.