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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.

Sources10

Breakdown by crop

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.

Atrakcja

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

PL
5 records

Azur FD

Active

Hordeum vulgare L. · Barley

VASILESCU LILIANAPETCU EUGEN IULIANCIUCA MATILDAPETCU ELENAOPREA GRIGOREMOCANU FLORIN

RO
4 records

Pisum sativum L. · Pea

BARBIERU ANCUTA

RO
4 records

Alter

Active

x Triticosecale Wittm. ex A. Camus · Triticale

INIAV - Instituto Nacional de Investigacao Agraria e Veterinaria.

PT
3 records

Akcja

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
5 records

Akamar

Terminated

Brassica napus var. napus · Rapeseed

D.J. VAN DER HAVE B.V.

FR
4 records

Altéa

Terminated

Linum usitatissimum L. · Common flax

Linéa Semences de Lin G.I.E.

FR
4 records

Angelico

Active

Triticum aestivum L. · Bread wheat

S.I.S. SOCIETA' ITALIANA SEMENTI

IT
4 records

Adam

Terminated

Lupinus albus L. · White lupin

Caussade Semences SA (FR)

FR
4 records

Triticum aestivum L. · Bread wheat

Agronomski fakultet Sveučilišta u Zagrebu, Zavod za oplemenjivanje bilja, genetiku i metodiku istraživanja (HR)

HR
3 records

Triticum aestivum L. · Bread wheat

Agrigenetics d.o.o. (HR)

HR
4 records

Ametiszt

Active

Papaver somniferum L. · Opium poppy

Zamborine dr. Nemeth Eva / Bernath Jenoe

HU
7 records

AFZG Antonija

Protection expired

Triticum aestivum L. · Bread wheat

Agronomski fakultet Sveučilišta u Zagrebu, Zavod za oplemenjivanje bilja, genetiku i metodiku istraživanja (HR)

HR
3 records

Abika

Terminated

Triticum aestivum L. · Bread wheat

ABED FONDEN

DK
4 records

Alce

Active

Hordeum vulgare L. · Barley

ISTITUTO SPERIMENTALE PER LA CEREALICOLTURA

IT
4 records

Vincent

Active

Vicia faba L. · Broad bean

ABERYSTWYTH UNIVERSITY

4 records

Wizard

Active

Vicia faba L. · Broad bean

Wherry and Sons Ltd

5 records

Target

Terminated

Vicia faba L. · Broad bean

PLANT BREEDING INTERNATIONAL CAMBRIDGE

4 records

So-40

Active

Camelina sativa (L.) Crantz · Camelina

Sustainable Oils Inc.

3 records

Prader

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Aldo Fossati Agroscope

4 records

Qplus

Terminated

Triticum aestivum L. · Bread wheat

Nickerson International Research S.N.C.

3 records

Vicia faba L. · Broad bean

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

5 records

Lueg

Active

Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt

F. Weilenmann Agroscope / Hans Winzeler Agroscope / Michael Winzeler Agroscope / W. Saurer Agroscope

4 records

Jorvik

Terminated

Triticum aestivum L. · Bread wheat

LIMAGRAIN EUROPE

3 records

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