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.
Prunus domestica L. · European plum
Norman Glen Bradford (US)/Lowell Glen Bradford (US)
Raphanus sativus L. var. sativus · Radish
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Lactuca sativa L. · Lettuce
Gautier Semences SAS (FR)
Solanum lycopersicum L. · Tomato
Clause Polska sp. z o.o.
Ribes uva-crispa L. · Gooseberry
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Rubus idaeus L. · Red raspberry
Instytut Ogrodnictwa - Państwowy Instytut Badawczy (The National Institute of Horticultural Research)
Prunus domestica L. · European plum
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Solanum lycopersicum L. · Tomato
CORA SEEDS S.R.L
Festuca arundinacea Schreb. · Tall fescue
NEXGEN TURF RESEARCH LLC
Solanum lycopersicum L. · Tomato
INTERSEMILLAS SAU
Malus domestica (Suckow) Borkh. · Apple
Cucumis melo L. · Melon
Seminis Vegetable Seeds
Spinacia oleracea L. · Spinach
KWS VEGETABLES B.V.
Spinacia oleracea L. · Spinach
KWS VEGETABLES B.V.
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Spinacia oleracea L. · Spinach
KWS VEGETABLES B.V.
Solanum lycopersicum L. · Tomato
ESASEM S.p.A
Solanum lycopersicum L. · Tomato
Syngenta Seeds B.V.
Cucumis melo L. · Melon
Yuksel Tohumculuk LTD
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
SEMINIS INC
Cucumis sativus L. · Cucumber
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Cucumis sativus L. · Cucumber
SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Allium sativum L. · Garlic
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR