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 tuberosum L. · Potato
Potato Breeding & Consultancy (PBC)
Phaseolus vulgaris L. · Common bean
Rob Gehin
Lactuca sativa L. · Lettuce
Vilmorin-Mikado S.A.S.
Apium graveolens L. var. rapaceum (Mill.) Gaud. · Celeriac
Petr Klapste
Zea mays L. · Maize
Ragt, F
Brassica oleracea L. (Broccoli Group) · Broccoli
ASGROW SEED CO
Sorghum bicolor (L.) Moench · Sorghum
Sud Cereales SCA
Spinacia oleracea L. · Spinach
Sakata Seed Corporation, JP
Zea mays L. subsp. mays (Maize Group) · Maize
Syngenta Crop Protection AG
Lupinus luteus L. · Yellow lupin
Poznanska Hodowla Roslin Sp. z o.o
Lolium perenne L. · Perennial ryegrass
Dr. Dieter Stelling
Beta vulgaris Sugar Beet Group · Sugar beet
Betaseed GmbH (DE)
Beta vulgaris Sugar Beet Group · Sugar beet
STRUBE GmbH&Co.KG, DE
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Ger Beemsterboer
Allium porrum L. · Leek
Syngenta Seeds B.V.
Zea mays L. · Maize
FREIHERR VON MOREAU SAATZUCHT
Cichorium endivia L. · Endive
Bejo Zaden BV (NL)
Brassica napus L. · Rapeseed
A/S L DAEHNFELDT
Beta vulgaris Sugar Beet Group · Sugar beet
Betaseed GmbH (DE)
Capsicum annuum L. · Bell pepper
SYNGENTA SEEDS B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
Strube D&S GMBH
Beta vulgaris Sugar Beet Group · Sugar beet
Werner Beyer Monica Weber Maik Gertz Dietrich Hauer
Helianthus annuus L. · Sunflower
Semences Cargill SA (FR)/Etablissements M. Lesgourgues (FR)
Solanum tuberosum L. · Potato
Francis LEVIEIL (FR)