Spirit
TerminatedCapsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Cultivation
Protected cultivation involves the use of specialized varieties and hybrids adapted to the specific microclimate of greenhouses, hotbeds, and controlled-environment agriculture systems.
Mentioned in descriptions 24 262 varieties reference book.
Protected cultivation comprises a system of structures ranging from simple film shelters to high-tech greenhouses with automated climate control. Plants in such conditions develop under different levels of lighting, humidity, and temperature regimes, as well as in limited root zone volumes, which requires the selection of genetically adapted material, predominantly F1 hybrids.
The choice of a variety for closed environments depends on the crop's ability to develop fully under artificial lighting, its growth type, and compatibility with cultivation technologies, including substrate-based systems. Variety assessment is based on morphological traits, productivity, and the conformity of fruit characteristics to requirements for marketability, keeping quality, and transportability.
The resistance and high productivity of greenhouse varieties are driven by breeding for immunity to specific pathogens, such as powdery mildew, various types of wilts, viruses, and bacterial infections. Additional critical traits include parthenocarpy, which ensures fruit set without pollination, and the ability to control the balance between generative development and sugar accumulation.
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.
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Cucumis melo L. · Melon
NUNHEMS ZADEN
Solanum lycopersicum L. · Tomato
Paul Degreef
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis sativus L. · Cucumber
Matthijs Groot
Capsicum annuum L. · Bell pepper
ZKI ZOLDSEGTERMESZTESI KUTATO INTEZET ZRT
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Solanum lycopersicum L. · Tomato
Tezier SA (FR)
Solanum lycopersicum L. · Tomato
ESASEM S.p.A
Capsicum annuum L. · Bell pepper
SEMEX - šľachtiteľsko výskumný podnik, š.p. (SK)
Lactuca sativa L. · Lettuce
ZETA SEEDS S.L.
Lactuca sativa L. · Lettuce
CONSORZIO SEMENCOOP S. COOP.A.R.L.
Solanum lycopersicum L. · Tomato
Kuz`omens`kyi Oleksandr Volodymyrovych
Capsicum annuum L. · Bell pepper
Piet de Vries
Cucumis sativus L. · Cucumber
De Ruiter Seed C.V.
Solanum lycopersicum L. · Tomato
VISSUM RESE
Solanum lycopersicum L. · Tomato
De Ruiter Zonen (HR)
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
SYNGENTA SEEDS B.V.
Solanum lycopersicum L. · Tomato
TOMAS DAVID LOMAS CANO
Solanum melongena L. · Eggplant
Syngenta Crop Protection AG
Solanum lycopersicum L. · Tomato
Monsanto Vegetable IP Management B.V.
Solanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
Solanum lycopersicum L. · Tomato
Zeraim Gedera Ltd. Seed Company