RGT Aktion
ActiveTriticum aestivum L. · Bread wheat
RAGT 2N S.A.S
DE
4 records
Cultivation
Winter and spring forms
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.
Breakdown by crop
Winter and spring forms of common wheat
370
Winter and spring barley forms
187
Winter and spring forms of triticale
141
Winter and spring rapeseed forms
93
Winter and Spring Forms — Durum Wheat
67
Winter and spring forms of oats
50
Winter and spring rapeseed forms
41
Winter and spring forms of rye
26
Winter and spring forms of pea
24
Winter and spring forms of flax
21
Winter and spring forms of spelt and emmer
20
Winter and spring forms of Camelina sativa
17
Winter and Spring Forms of Faba Bean
16
Winter and spring forms of common vetch
13
Winter and spring forms of small-seeded faba beans
13
Winter and spring forms — opium poppy
11
Winter and spring growth habits — common wheat
10
Winter and spring forms of winter cress
10
Winter and spring forms of Triticum monococcum L.
9
Winter and spring forms of garlic
8
Winter and Spring Forms — Red Fescue
7
Winter and Spring Forms of Emmer
7
Winter and spring forms of white lupin
6
Winter and spring forms of onion
4
Found in these crops
Varieties that feature this in their description
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.
Redoutable
ActiveBrassica oleracea L. (Cauliflower Group) · Cauliflower
HM.CLAUSE
FR
3 records
Rea
ActiveVicia villosa Roth · Hairy vetch
Poznanska Hodowla Roslin Sp. z o.o
PL
3 records
PX147
ActiveBrassica napus var. napus · Rapeseed
PIONEER OVERSEAS CORPORATION
DK
3 records
Presta
TerminatedVicia sativa L. · Common vetch
Andre Blondeau Semences (FR)
FR
3 records
Porfiryna
ActiveTriticum aestivum L. · Bread wheat
Danko Hodowla Roslin Sp.z.o.o.
PL
5 records
Podpolanec
ActiveAvena nuda L. · Naked oat
Národné Polnohospodárske a Potravinárske Centrum (NPPC)
SK
5 records
Phildor
ActiveTriticum aestivum L. · Bread wheat
Unisigma G.I.E., Limagrain Europe S.A.S.
FR
5 records
Peloton
ActiveAvena nuda L. · Naked oat
ABERYSTWYTH UNIVERSITY (GB)
FR
4 records
Palmos
ActiveLactuca sativa L. · Lettuce
Syngenta Seeds B.V.
NL
5 records
Parméo
ActiveLinum usitatissimum L. · Common flax
Linéa Semences de Lin G.I.E.
FR
4 records
Pandora
ActivePisum sativum L. · Pea
USDA - ARS Grain Legume Genetics and Physiology Research
AT
3 records
Olivia F
ActivePisum sativum L. · Pea
BARBIERU ANCUTA
RO
4 records
NS Ignjat
Activex Triticosecale Wittm. ex A. Camus · Triticale
Institut za ratarstvo i povrtarstvo, Novi Sad (RS)
HR
3 records
Oratorio
Protection expiredTriticum aestivum L. · Bread wheat
Ets Claude Camille Benoist SA (FR)
FR
5 records
Orus
ActiveLupinus albus L. · White lupin
Gie Prolupin (FR)
FR
4 records
NEX 150
TerminatedBrassica napus var. napus · Rapeseed
DK
3 records
Mv Uncia
ActiveTriticum aestivum L. · Bread wheat
MTA Agrártudományi Kutatóközpont MGI, Martonvásár
HU
4 records
Nakskov
TerminatedTriticum aestivum L. · Bread wheat
Nordic Seed A/S
DK
4 records
Mv Palma
ActiveTriticum aestivum L. · Bread wheat
Balla Laszlo / Bedoe Zoltan / Lang Laszlo / Szunics Laszlo / Szunics Laszlone
HU
6 records
Nuffield
TerminatedTriticum aestivum L. · Bread wheat
Nordic Seed A/S
DK
4 records
Mv Elitrea
ActiveTriticum aestivum L. · Bread wheat
MTA Agrártudományi Kutatóközpont MGI, Martonvásár
HU
3 records
Mv Szuladur
ActiveTriticum durum Desf. · Durum wheat
Vida Gyula / Veisz Otto / Bedoe Zoltan / Lang Laszlo / Karsai Ildiko
HU
5 records
Morwin
ActivePapaver somniferum L. · Opium poppy
Gyógynövénykutató Intézet Kft.
HU
4 records