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
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Nunhems Netherlands B.V.
Spinacia oleracea L. · Spinach
Philip Simons
Raphanus sativus L. var. sativus · Radish
RIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV, NL
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Aster L. · Aster
MARCEL MOERMAN
Aster L. · Aster
MARCEL MOERMAN
Rosa L. · Rose
Meilland, Alain A.|Antibes, France
Capsicum annuum L. · Bell pepper
Silvester de Nooijer
Solanum melongena L. · Eggplant
Vilmorin SA (FR)
Solanum lycopersicum L. · Tomato
Nunhems B.V., 6083 AB Nunhem
Cucumis sativus L. · Cucumber
Syngenta, NL
Solanum lycopersicum L. · Tomato
Syngenta, NL
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Panora s.p.a.
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Lactuca sativa L. · Lettuce
NUNHEMS
Cucumis sativus L. · Cucumber
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Syngenta Seeds B.V.
Solanum lycopersicum L. · Tomato
Vanesa Morales Montoya, Nunhems B.V.
Cucumis melo L. · Melon
Hazera Seeds, ISR
Lactuca sativa L. · Lettuce
Bejo Zaden B.V.
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum melongena L. · Eggplant
Rijk Zwaan Zaadteelt en Zaadhandel B.V.