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.
Callistephus chinensis (L.) Nees · China aster
Shevel` Larysa Oleksiivna, Kondratenko Vira Vasylivna,
Muscari · Grape hyacinth
Boltha B.V.
Capsicum annuum L. · Bell pepper
Enza Zaden Beheer B.V.
Eucomis L’Her. · Pineapple lily
Nic van Schagen & Zn. B.V.
Matthiola incana (L.) R. Br. · Hoary stock
Krakowska Hodowla i Nasiennictwo Ogrodnicze POLAN sp. z o.o.
Poa supina Schrad. · Supina bluegrass
BUSCH| Dipl.Ing.agr. Heiner Busch in Fa. Deutsche Saatveredelung AG / SCHUETZE| Dr. Ursula Schuetze in Fa. Saatzucht Leutewitz
Cucumis sativus L. · Cucumber
Oriekhova Olena Anatoliivna, Krylov Oleh Mykolaiovych, Borysov Oleksandr Volodymyrovych,
Vitis vinifera L. · Common grape vine
Oliinykov Mykola Petrovych, Zahorul`ko Vitalii Volodymyrovych, Lykhovs`koi Volodymyr Volodymyrovych, Volynkin Volodymyr Oleksandrovych, Avidzba Anatolii Mkanovych,
Vitis L. · Grapevine
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Brassica oleracea L. (White Cabbage Group) · White cabbage
Hazera Seeds B.V.
Capsicum annuum L. · Bell pepper
Syngenta Crop Protection AG
Cucumis melo L. · Melon
Cedric Lefaix
Festuca valesiaca Schleich. ex Gaudin subsp. valesiaca
SIMON| Prof. Dr. Uwe Simon Lehrstuhl fuer Gruenlandlehre der TU Muenchen
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Malus domestica (Suckow) Borkh. · Apple
Information not available - Contact NL authorities
Prunus domestica L. · European plum
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Freesia Eckl. ex Klatt · Freesia
Berg Freesia
Prunus armeniaca L. · Apricot
Dr Hilmar Schwärzel
Chrysanthemum L. · Chrysanthemum
N.V. JOLU-PLANT
Cucumis melo L. · Melon
Cedric Lefaix
Capsicum annuum L. · Bell pepper
CAPITAL GENETIC EBT, S.L.
Clematis L. · Clematis
Szczepan Marczyński
Malus domestica (Suckow) Borkh. · Apple
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Rosa L. · Rose
Dzidra Rieksta