MICHELLE-MARIE
TerminatedRhododendron L. · Azalea
RANNACKER KARSTEN
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.
Rhododendron L. · Azalea
RANNACKER KARSTEN
Chrysanthemum x morifolium Ramat. · Florist's daisy
YODER| Yoder Plant Trading GmbH
Capsicum annuum L. · Bell pepper
MERIDIEM SEEDS S.L.
Solanum lycopersicum L. · Tomato
Hari Besels
Capsicum annuum L. · Bell pepper
I. Chmielak, Z. Witek, A. Witek,
Cucumis sativus L. · Cucumber
SEMILLAS FITO, S.A.
Solanum lycopersicum L. · Tomato
BURPEE NL B.V.
Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy
Gerbera Nisters
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
SCOTTISH CROP RESEARCH INSTITUTE
Solanum melongena L. · Eggplant
Tovarystvo z obmezhenoiu vidpovidalnistiu "SPARK SIDZ"
Cucumis sativus L. · Cucumber
Susanne Villemoes Andersen
Solanum lycopersicum L. · Tomato
Axia NL B.V.
Solanum melongena L. · Eggplant
GUILLERMO AGULLA
Rhododendron simsii Planch. · Indica azalea
HOLZ| Hans-Peter Holz
Cucumis sativus L. · Cucumber
ReinSaat KG
Cucumis sativus L. · Cucumber
Instytut ovochivnytstva i bashtannytstva Natsionalnoi akademii ahrarnykh nauk Ukrainy
Rhododendron simsii Planch. · Indica azalea
Eleonore Dettmer und Peter Dettmer (als Gesellschaft des bürgerlichen Rechts)
Chrysanthemum x morifolium Ramat. · Florist's daisy
Cleangro Ltd
Cichorium endivia L. · Endive
HM Clause SAS (FR)
Lactuca sativa L. var. capitata L. · Head lettuce
TORSEED - Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa S.A.
Solanum lycopersicum L. · Tomato
Bayer Holland B.V.
Cucumis sativus L. · Cucumber
GENESIS SEEDS LTD
Cucumis sativus L. · Cucumber
Dutch American Plantbreeders Corp.
Solanum lycopersicum L. · Tomato
Paulo Koch