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.
Solanum lycopersicum L. var. lycopersicum · Tomato
ISP QUEDLINBURG GERMANY
Capsicum annuum L. · Bell pepper
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis sativus L. · Cucumber
Syngenta Seeds B.V.
Solanum lycopersicum L. · Tomato
AN JAEGYUN
Solanum lycopersicum L. · Tomato
Yuksel Tohumculuk LTD
Capsicum annuum L. · Bell pepper
Nunhems B.V.
Capsicum annuum L. · Bell pepper
HAZERA (1939)
Cucurbita pepo L. · Field pumpkin
Enza Zaden Beheer B.V.
Lactuca sativa L. · Lettuce
Nir Uri, Amos
Solanum lycopersicum L. · Tomato
Enza Zaden B.V.
Cucumis sativus L. · Cucumber
GAVRISh SERGEJ FEDOROVICh / ShAMShINA ANNA VYaChESLAVOVNA / ShEVKUNOV VALERIJ NIKOLAEVICh / HOMChENKO NINA NIKOLAEVNA / ChAJKIN KONSTANTIN OLEGOVICh / DOROGINA DAR'Ya DMITRIEVNA
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Capsicum annuum L. · Bell pepper
HM.Clause S.A.S.
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Raphanus sativus L. var. sativus · Radish
NUNHEMS BV, NL
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
MORAVOSEED
Lactuca sativa L. · Lettuce
A L TOZER LTD
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Cucumis sativus L. · Cucumber
Nunhems B.V.
Capsicum annuum L. · Bell pepper
Tom van der Heiden
Chrysanthemum x morifolium Ramat. · Florist's daisy
JAN HOEK
Solanum melongena L. · Eggplant
SEMINIS VEGETABLE SEEDS, NL
Solanum melongena L. · Eggplant
RAMIRO ARNEDO, S.A.