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.
Trifolium incarnatum L. · Crimson clover
Auburn University - College of Agriculture (US)
Poa pratensis L. · Kentucky bluegrass
TOP GREEN SAS
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Yasemin Yalim
Cucurbita pepo L. · Field pumpkin
Gautier Semences SAS (FR)
Lolium perenne L. · Perennial ryegrass
MOMMERSTEEG INTERNATIONAL
Cucumis sativus L. · Cucumber
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
HAZERA SEEDS BV
Brassica oleracea L. (White Cabbage Group) · White cabbage
Zsolt Galli
Festuca rubra L. · Red fescue
SAATZUCHT| Saatzucht Steinach GmbH & Co KG
Glycine max (L.) Merr. · Soybean
RAGT 2N S.A.S
Vitis vinifera L. · Common grape vine
Simone Diego Castellarin^^^Guido Cipriani^^^Gabriele Di Gaspero^^^Michele Morgante^^^Enrico Peterlunger^^^Raffaele Testolin
Prunus persica (L.) Batsch · Peach
Festuca rubra L. · Red fescue
Malopolska Hodowla Roslin Spolka z o.o.
Lolium x hybridum Hausskn. · Hybrid ryegrass
Skriveri Research Centre
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Monsanto Vegetable IP Management B.V.
Cucumis sativus L. · Cucumber
MORAVOSEED CZ A.S.
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum tuberosum L. · Potato
KWEEKBEDRIJF ROPTA ZPC
Cucumis melo L. · Melon
HAZERA (1939)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Twan Groot
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
MORAVOSEED
Lolium perenne L. · Perennial ryegrass
LIMAGRAIN NEDERLAND
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Bayer Holland B.V. (NL)