Brassica rapa L. var. rapa (L.) Thell. · Turnip
Domaine Public (FR)
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. var. rapa (L.) Thell. · Turnip
Domaine Public (FR)
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Eveleens, Jan L.
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Gebr. N. & C.A. Ruiter
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Tezier SA (FR)
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Wildeman
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Kornelius Reinink
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Domaine Public (FR)
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CHRESTENSEN N.L.| N.L. Chrestensen Erfurter Samen- und Pflanzen- zucht GmbH
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ISI SEMENTI SPA
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Domaine Public (FR)
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PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
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Domaine Public (FR)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Simon Groen
Callistephus chinensis (L.) Nees · China aster
PlantiCo Hodowla i Nasiennictwo Ogrodnicze Szymanów Sp. z o.o.
Cucumis sativus L. · Cucumber
Kis Van der Maas, Erik Bol,
Chrysanthemum x morifolium Ramat. · Florist's daisy
JAGT| M.R.H. van der Jagt
Cucumis sativus L. · Cucumber
Enza Zaden Beheer B.V.
Phaseolus vulgaris L. · Common bean
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Freesia Eckl. ex Klatt · Freesia
Penning Breeding B.V.