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.
Corylus colurna L. · Turkish Hazel
Information not available - Contact NL authorities
Malus Mill. · Apple
KANEPPELE RAINHARD
Agrostis canina L. · Velvet bent
PROSEEDS MARKETING
Solanum lycopersicum L. · Tomato
Doug Heath
Juniperus sabina L. · Savin juniper
Vorobiova Olena Anatoliivna
Festuca rubra L. · Red fescue
Lietuvos agrarinių ir miškų mokslų centras
Vitis L. · Grapevine
Agroscope (CH)/Institut National de la Recherche Agronomique (FR)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Wim Snijders
Cucumis sativus L. · Cucumber
Krylov Oleh Mykolaiovych, Borysov Oleksandr Volodymyrovych,
Vitis vinifera L. · Common grape vine
Dr. Bernd H.E. Hill c/o Staatl. Lehr-u.VA für Wein und Obstbau, Ref. Rebenzüchtung
Prunus domestica L. · European plum
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Vicia articulata Hornem. · One-Flowered Vetch
Diego Rubiales Olmedo^^^Eleonora Barilli^^^Ana Moral Jiménez
Cucumis sativus L. · Cucumber
Prutenskaia Nataliia Oleksiivna, Shamshyna Anna Viacheslavovna, Portiankin Alieksiei IEvhenovych, Havrysh Serhii Fedorovych,
Lotus corniculatus L. · Bird's-foot trefoil
Buhaiov Vasyl Dmytrovych, Khom'iak Mariia Mykhailivna, Baistruk-Hlodan Lesia Zinoviivna, Konyk Hryhorii Stanislavovych,
Solanum lycopersicum L. · Tomato
Dr. Mario Martinelli
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Enza Zaden Beheer B.V.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Shevchenko Ihor Andriiovych
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Hari Besels
Solanum lycopersicum L. · Tomato
Dr. Mario Martinelli
Rosa L. · Rose
Uniwersytet Przyrodniczy w Poznaniu
Chrysanthemum x morifolium Ramat. · Florist's daisy
PARATY B.V.B.A
Prunus domestica L. · European plum
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Pyrus communis L. · European pear
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Muscari · Grape hyacinth
Paul van Bentem Bloembollen B.V.