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
Rosen-Tantau Mathias Tantau Nachfolger
Diplotaxis tenuifolia (L.) DC. · Perennial wall-rocket
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Solanum lycopersicum L. · Tomato
SAS HM Clause (FR)
Capsicum annuum L. · Bell pepper
Enza Zaden (NL)
Capsicum annuum L. · Bell pepper
Zoldsegtermesztesi Kutato Intezt Rt
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
Jan Draaistra
Aster L. · Aster
MICHA DANSIGER
Capsicum annuum L. · Bell pepper
Vilmorin SA (FR)
Spinacia oleracea L. · Spinach
SSC JP
Chrysanthemum L. · Chrysanthemum
REVECU II B.V.
Lactuca sativa L. · Lettuce
MORAVOSEED
Chrysanthemum L. · Chrysanthemum
REVECU II B.V.
Lactuca sativa L. · Lettuce
BEJO ZADEN
Capsicum annuum L. · Bell pepper
Pieterpik B.V.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis sativus L. · Cucumber
MORAVOSEED
Capsicum annuum L. · Bell pepper
HM.CLAUSE
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Kees Reinink
Diplotaxis tenuifolia (L.) DC. · Perennial wall-rocket
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Raphanus sativus L. var. sativus · Radish
Bejo Zaden BV (NL)
Cucumis sativus L. · Cucumber
Matthijs Groot