Variety traits
Maturity group is a biological characteristic of a variety that determines the length of its growing season from emergence to full maturity. This trait is a key tool for planning agronomic operations and selecting varieties suited to the climatic conditions of a region.
Mentioned in descriptions 89 063 varieties reference book.
Maturity group represents a biological characteristic of a variety that determines the duration of the growing season from the moment of seedling emergence to the onset of harvest or full maturity. This trait directly influences the choice of production strategy, allowing agronomists to optimize harvest timing, minimize losses due to crop lodging or over-ripening, and adapt crops to local climate conditions, avoiding risks associated with early frosts or drought periods.
The assessment of the maturity group is conducted within the framework of state variety testing on specialized plots by comparing the variety under study with a zoned standard. The duration of the growing season in days is used as a quantitative indicator. The gradation of groups from early-maturing to late-maturing does not have uniform numerical boundaries for all species, as it is based on the biological characteristics of a specific crop and the conditions of the cultivation zone.
Membership in a maturity group is determined by the genetic characteristics of the variety, however, the rate of progression through phenological phases depends on abiotic factors such as temperature regime, moisture availability, and photoperiodism. Cultivation techniques, including sowing dates and fertilization systems, can adjust maturation timing but do not change the genetic classification of a variety into a specific group.
There is an interconnection between the maturity group and biochemical indicators of product quality, such as protein and gluten content in the grain. For effective utilization of this trait, it is necessary to rely on the results of local trials, as a variety may perform differently under various soil and climatic conditions.
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.
Solanum lycopersicum L. · Tomato
GOLDEN WEST SEED RESEARCH Co.
Beta vulgaris Garden Beet Group · Garden beet
Domaine Public (FR)
Triticum aestivum L. · Bread wheat
MTA Agrártudományi Kutatóközpont MGI, Martonvásár
Cucumis sativus L. · Cucumber
CAPITAL GENETIC EBT, S.L.
Zea mays L. · Maize
FREIHERR VON MOREAU SAATZUCHT
Spinacia oleracea L. · Spinach
Nickerson Zwaan
Zea mays L. · Maize
Helianthus annuus L. · Sunflower
Jim Gerdes
Lactuca sativa L. · Lettuce
Vilmorin-Mikado S.A.S.
Zea mays L. · Maize
Syngenta Seeds
Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean
Institut national de recherche pour l'agriculture, l'aliment (FR)/Agri Obtentions SA (FR)
Zea mays L. · Maize
AGROALIMENTARE SUD S.P.A.
Solanum lycopersicum L. · Tomato
Syngenta Seeds B.V.
Hordeum vulgare L. · Barley
Saatzucht Donau Ges.m.b.H. & CoKG (AT)
Helianthus annuus L. · Sunflower
Balalic Igor, Radic Velimir, Dusanic Nenad, Miklic Vladimir, Cvejic Sandra, Jocic Sinisa,
Poa nemoralis L. · Wood bluegrass
Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy
Cynara cardunculus L. · Cardoon
NIELI TOMMASO
Rosa L. · Rose
Ghione
Prunus domestica L. · European plum
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Hordeum vulgare L. · Barley
Lehkun Ihor Borysovych, Perekhrest Valentyna Arkhipivna, Tarasiuk Vasyl Prokopovych, Babash Andrii Borysovych, Linchevskyi Anatolii Adamovych,
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Solanum tuberosum L. · Potato
Aardappelkweek- en Selectiebedrijf Ijsselmeerpolders B.V.
Phaseolus vulgaris L. · Common bean
Holland-Select Research B.V.
Raphanus sativus L. var. oleiformis Pers. · Oil radish
Pietrzak sp. z o.o. sp. k.