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.
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
Sakata Vegetables Europe S.A.S
Spinacia oleracea L. · Spinach
Ger Beemsterboer
Capsicum annuum L. · Bell pepper
RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
Rosa L. · Rose
Meilland, Marie L.|Antibes, France
Rosa L. · Rose
Wilhelm Kordes Sparrieschoop
Capsicum annuum L. · Bell pepper
Seminis Vegetable Seeds
Lactuca sativa L. · Lettuce
ENZA ZADEN BEHEER B.V._
Pisum sativum L. · Pea
Nunhems Zaden BV (NL)
Cucumis sativus L. · Cucumber
Bejo Zaden B.V.
Capsicum annuum L. · Bell pepper
RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
Capsicum annuum L. · Bell pepper
Wouter Lindeman, Aernoudt Aardse,
Rosa L. · Rose
Interplant Roses B.V
Phaseolus vulgaris L. · Common bean
Rob Gehin
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Spinacia oleracea L. · Spinach
SSC JP
Alstroemeria L. · Alstroemeria
van Staaveren B.V.
Rosa L. · Rose
Rosen-Tantau Mathias Tantau Nachfolger
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Rosa L. · Rose
Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes
Rosa L. · Rose
R.J.C.Kielstra
Rosa L. · Rose
Poulsen Roser AS, DK - 3480 Fredensborg
Rosa L. · Rose
HANS JURGEN EVERS (T)
Lactuca sativa L. · Lettuce
Rijk Zwaan (NL)
Raphanus sativus L. var. sativus · Radish
Nunhems, NL