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.
Rosa L. · Rose
Pouw, A.
Rosa L. · Rose
Wilhelm Kordes, W. Kordes' Sohne Rosenschulen GmbH & Co KG
Rosa L. · Rose
DAVID JC AUSTIN
Rosa L. · Rose
SNC Meilland et Cie
Rosa L. · Rose
Poulsen Roser AS, DK - 3480 Fredensborg
Lactuca sativa L. · Lettuce
Syngenta Seeds, NL
Rosa L. · Rose
Wilhelm Kordes
Alstroemeria L. · Alstroemeria
Zelderen, Gerard J. van|Achterweg 34-36, 1424 PR De Kwakel, Netherlands
Alstroemeria L. · Alstroemeria
van Zanten Plants b.v
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
University of California
Rosa L. · Rose
SNC Meilland et Cie
Fragaria L. · Strawberry
The Regents of the University of California
Fragaria L. · Strawberry
Voth, Victor|Santa Ana, CA / Shaw, Douglas V.|Davis, CA / Bringhurst, Royce S.|Davis, CA
Rosa L. · Rose
Wilhelm Sparrieshoop
Alstroemeria L. · Alstroemeria
van Zanten Plants b.v
Cucumis sativus L. · Cucumber
HM.CLAUSE
Rosa L. · Rose
WILHELM KORDES, T-H., M.
Beta vulgaris Garden Beet Group · Garden beet
Rijk Zwaan Zaadteelt en Zaadhandel B.V. (NL)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
SSC JP
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Plant Research International, NL
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
Bejo Zaden, NL
Rosa L. · Rose
Rosen Tantau KG
Rosa L. · Rose
UNIVERSAL PLANTS
Rosa L. · Rose
Suzuki, Seizo|Tokyo, Japan