LEOPOLDO III
Application submittedVitis vinifera L. · Common grape vine
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.
Vitis vinifera L. · Common grape vine
Cucurbita pepo L. · Field pumpkin
Cucumis sativus L. · Cucumber
Solanum melongena L. · Eggplant
Lactuca sativa L. · Lettuce
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Wintergalen J.
Celosia argentea L. var. cristata (L.) Kuntze · Cockscomb
Cucumis sativus L. · Cucumber
Solanum lycopersicum L. · Tomato
Primula vulgaris Huds. · Primrose
Cucumis sativus L. · Cucumber
Solanum lycopersicum L. · Tomato
Lactuca sativa L. var. capitata L. · Head lettuce
Dianthus caryophyllus L. · Carnation
Solanum lycopersicum L. var. lycopersicum · Tomato
Cucumis sativus L. · Cucumber
Solanum lycopersicum L. · Tomato
Cucumis sativus L. · Cucumber
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :VEB Zierplanzen Erfurt
Cucumis sativus L. · Cucumber
Solanum lycopersicum L. · Tomato
Solanum lycopersicum L. · Tomato