Cultivation
The distinction between winter and spring forms is based on the biological requirement for vernalization—a temperature-driven phase necessary for the formation of reproductive organs. Winter forms require cold exposure, whereas spring forms develop at higher temperatures throughout a single growing…
Mentioned in descriptions 2 949 varieties reference book.
Winter forms require exposure to low temperatures between 0 and +10°C for 20–70 days to transition to generative development, whereas spring forms require only temperatures between +5 and +20°C for 7–20 days. When winter forms are sown in the spring, plants often fail to form reproductive organs. There are also facultative varieties capable of producing a harvest under both sowing patterns in regions with mild climates.
The choice between these forms depends on risk management, crop rotation, and technical resources. Winter varieties are sown in the autumn; they have higher yield potential due to the utilization of autumn-winter moisture and mature 10–15 days earlier. Spring forms depend on spring-summer precipitation; they possess lower winter hardiness and more frequently exhibit high baking quality.
Variety resistance and productivity are determined by adaptability to local climatic conditions, such as the availability of reliable snow cover for winter forms or tolerance to summer droughts for spring forms. Planning sowings using both forms allows for reduced machinery workload during the spring period, efficient distribution of soil fertility, and protection of the farm against weather-related risks.
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.
Brassica napus var. napus · Rapeseed
KWS MOMONT RECHERCHE SARL, FR
Triticum durum Desf. · Durum wheat
Cereal Research non-profit Ltd.co (HU)
Brassica napus L. · Rapeseed
SVALOF AB
Hordeum vulgare L. · Barley
KWS MOMONT RECHERCHE S.A.R.L
Triticum durum Desf. · Durum wheat
Saaten-Ring von Rümker KG
Pyrus communis L. · European pear
VÝZKUMNÝ A ŠLECHTITELSKÝ ÚSTAV OVOCNÁŘSKÝ HOLOVOUSY s.r.o. (CZ)/Prof. Dr. Manfred Fischer (DE)
Allium cepa L. var. cepa · Onion
SHAMROCK SEED COMPANY
Hordeum vulgare L. · Barley
Sejet Planteforaedling I,S
Triticum aestivum L. · Bread wheat
APSOVSEMENTI S.P.A. / CO.NA.SE. CONSORZIO NAZIONALE SEMENTI S.R.L.
Linum usitatissimum L. · Common flax
LABOULET SEMENCES
Pisum sativum L. · Pea
RAGT 2N S.A.S
x Triticosecale Wittm. ex A. Camus · Triticale
Serasem S.A.S.
x Triticosecale Wittm. ex A. Camus · Triticale
Station Federale de Recherches Agronomiques de Changins (RAC)
Pisum sativum L. · Pea
Molnar Janosne / Toth Sandorne dr. Hubai Erzsebet / Breznyik Katalin
Hordeum vulgare L. · Barley
SECOBRA RECHERCHES S.A.S
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
x Triticosecale Wittm. ex A. Camus · Triticale
Peter Franck^^^Norbert Starck^^^Universität Hohenheim
Linum usitatissimum L. · Common flax
Terre de Lin Sca (FR)
Triticum aestivum L. · Bread wheat
Limagrain Europe S.A.S
Triticum aestivum L. · Bread wheat
Nina Pfeiffer, Erhard Ebmeyer
Hordeum vulgare L. · Barley
Jörg Großer
Triticum aestivum L. · Bread wheat
KWS Momont, F
Triticum aestivum L. · Bread wheat
Serasem S.A.S.
Triticum aestivum L. · Bread wheat
Elsoms Seeds