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.
Malus domestica (Suckow) Borkh. · Apple
Szkółkarstwo Sadownicze Anna i Ryszard Nowakowscy
Cucumis melo L. · Melon
Nunhems B.V./Laboratioire ASL S.N.C.
Solanum lycopersicum L. · Tomato
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis melo L. · Melon
Monsanto Vegetable IP Management B.V.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Bayer Holland B.V.
Cucumis melo L. · Melon
Monsanto Vegetable IP Management B.V.
Rosa L. · Rose
Hans Jurgen Evers
Cucumis sativus L. · Cucumber
ShELOBODKIN ALEKSEJ VLADIMIROVICh
Capsicum annuum L. · Bell pepper
Bayer Holland B.V.
Allium cepa L. var. cepa · Onion
MIRA SEEDS S.R.L.
Cucumis melo L. · Melon
Vilmorin SA (FR)
Solanum lycopersicum L. · Tomato
UNITED GENETICS SEEDS CO
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis melo L. · Melon
Monsanto Vegetable IP Management B.V.
Cucumis melo L. · Melon
MONSANTO HOLLAND B.V. (NL)
Cucumis sativus L. · Cucumber
Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa w Ozarowie Mazowieckim Spolka z o.o.
Solanum tuberosum L. · Potato
New Zealand Institute for Crop and Food Research Ltd
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Glandularia x hybrida (hort. ex Groenl. & Rümpler) G. L. Nesom & Pruski · Common Garden Verbena
SUNTORY LTD
Cucurbita pepo L. · Field pumpkin
NURTURE SEEDS
Prunus domestica L. · European plum
Julius Eslon
Cucumis melo L. · Melon
Monsanto Vegetable IP Management B.V.
Rubus L. · Blackberry
Markus Kobelt
Solanum lycopersicum L. · Tomato
Gautier Semences SAS (FR)