Jam Plumein
Application submittedPetunia Juss. · Petunia
Mitchell Eu. Hanes Goldsmith Seeds Inc.
Cultivation
Cultivation in open field conditions requires the selection of varieties adapted to uncontrolled environmental factors and climatic fluctuations. Such varieties are characterized by genetic plasticity, stress tolerance, and a vegetation period consistent with local weather conditions.
Mentioned in descriptions 28 305 varieties reference book.
Varieties for open field cultivation are bred for adaptation to uncontrolled environmental conditions, unlike greenhouse varieties. Their key feature is the ability to provide a stable yield under fluctuations in temperature, humidity, and light intensity, as well as increased resistance to regional disease pressure.
The choice of variety for open field cultivation depends on the phenological characteristics of the plant, where the life cycle must fit within the frost-free period of a specific location. Morphology is an important factor: preference is often given to determinate forms, resistant to wind stress, and the crop's ability to mature uniformly to facilitate harvesting.
Cultivation technology in open field conditions requires taking into account the biological characteristics of the variety, such as the need for insect pollination. Varieties for field conditions possess higher plasticity, which allows them to maintain yield under less intensive care and nutrient management, while greenhouse counterparts often demonstrate reduced productivity and susceptibility to stress under such conditions.
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.
Petunia Juss. · Petunia
Mitchell Eu. Hanes Goldsmith Seeds Inc.
Begonia x tuberhybrida Voss · Tuberous begonia
LUBBERTUS H.KOPPE
Nemesia Vent. · Nemesia
Silvia Hofmann^^^HENDRIK THEOBALD
Narcissus L. · Daffodil
Sandler-Ziv Dorit
Dianthus caryophyllus L. · Carnation
PETER KEES EVELEENS
Alstroemeria L. · Alstroemeria
Konst Johannes Wilhelmus Maria
Zantedeschia Spreng. · Arum-lily
PETER BECKMAN
Rosa L. · Rose
Interplant Roses B.V
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Hydrangea Breeders Association B.V.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Cornelis Pieter Eveleens
Hydrangea paniculata Siebold · Panicled hydrangea
Lendert De Vos
Impatiens New Guinea Group · New Guinea Impatiens
Elke Steffen c/o Elsner pac Jungpflanzen GbR
Phlox paniculata L. · Garden phlox
van den Haak Jelle
Xerochrysum bracteatum (Vent.) Tzvelev · Strawflower
Nils Klemm^^^Martin Glawe
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Hydrangea Breeders Association B.V.
Zantedeschia Spreng. · Arum-lily
Sande B.V.
Tradescantia virginiana L. · Virginia spiderwort
Strooper-Dekker V.O.F.
Helleborus lividus Aiton x Helleborus niger L. x Helleborus x hybridus hort. ex Voss
Josef Heuger
Helleborus niger x Helleborus x hybridus
Josef Heuger
Buddleja L. · Buddleia
Podaras Peter C.
Ilex x meserveae S. Y. Hu · Meserve holly
Peter Geers
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
TANAKA SHINSUKE
Muehlenbeckia complexa (A. Cunn.) Meisn. · lacy wirevine
Hausler Dirk / Hausler Frank
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Peter Rudolf Kolster,Cornelis Pieter Eveleens