Cultivation
Winter covering is an agrotechnical practice for plant protection, indicating a variety's insufficient adaptation to the local climate. The necessity of this procedure shifts crop cultivation into an intensive and labor-intensive format, requiring regular expenditures and strict adherence to work s…
Mentioned in descriptions 14 029 varieties reference book.
The need for winter covering manifests as mandatory annual plant preparation, including mulching, hilling, bending down shoots, or using protective frames and materials. This is a variety marker indicating its inability to independently withstand local climatic conditions, which compels the agronomist to create an artificial environment for protection against frost damage.
Protection effectiveness directly depends on adhering to timelines and the quality of materials used. Early covering at high temperatures can provoke rotting or the development of fungal diseases, while late covering will not protect against early frosts. The success of the operation is also determined by the general condition of the plants: weakened specimens or an excess of nitrogen nutrition in autumn increase the risk of death even when protective structures are present.
Assessing the feasibility of covering relies on economic profitability and agrotechnical capabilities. With the aging of woody and shrub crops, the complexity of installing structures increases, which reduces the scalability of plantings. When choosing a variety, it is recommended to consider frost resistance data and prioritize regionalized winter-hardy alternatives that do not require manual intervention during the winter period.
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
Christoph Kleinhanns / Helmut Deike - Saatzuchtstation Eisleben -
Lilium L. · Lily
World Breeding B.V
Prunus persica (L.) Batsch · Peach
CEBAS(CSIC)/IVIA GEN.VALE
Solanum melongena L. · Eggplant
Khaled Kazzaz
Cucurbita pepo L. · Field pumpkin
Khaled Kazzaz
Ribes uva-crispa L. · Gooseberry
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Solanum lycopersicum L. · Tomato
Dale M. Smith
Hydrangea serrata (Thunb.) Ser. var. serrata · Tea-of-heaven
Information regarding the breeder received in the contribution to CPVO :Inaba Masaru
Ribes uva-crispa L. · Gooseberry
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Tulipa L. · Tulip
Q.J. Vink & Zn. B.V.
Cucumis melo L. · Melon
Clause Semences SA (FR)
Saintpaulia ionantha H. Wendl. · African violet
OPTIMARA ERFINDERGEMEINSCHAFT, GEBR. HOLTKAMP
Anethum graveolens L. · Dill
VERA-AGRA SP. Z.O.O.
Zea mays L. subsp. mays (Maize Group) · Maize
CIBA GEIGY, S.A.
Cucumis sativus L. · Cucumber
Frank Tardieu
Allium cepa L. · Onion
LEWIS LYDON
Origanum vulgare L. · Oregano
G. Dzhurmanski, N. Prangova, E. Vasileva, Zh. Pancheva-Cherneva
Brassica oleracea L. (White Cabbage Group) · White cabbage
Khartmut Kliain, Troian Mykola Vasyl`ovych, Kondratenko Mykola Viktorovych,
Prunus persica (L.) Batsch · Peach
Agriculture & Agri-Food Canada (CA)
Lonicera caerulea L. var. emphyllocalyx (Maxim.) Nakai · Honeyberry
Paweł Korfanty
Raphanus sativus L. var. oleiformis Pers. · Oil radish
BAERT| Joost Baert c/o ILVO - Plant-Toegepaste Genetica en Veredeling
Brassica oleracea L. (White Cabbage Group) · White cabbage
Yutaka Ishii
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Spiraea L. · Spiraea
Alieksieienko Oksana Volodymyrivna, Vol`s`ka IUliana Oleksandrivna,