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Variety traits

Maturity group

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.

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.

Ramses

Active

Brassica napus L. · Rapeseed

RAPSODIE

IT SK
7 records

Rupia

Terminated

Capsicum annuum L. · Bell pepper

NOVARTIS SEEDS B.V.

ES NL
3 records

Sensaï

Terminated

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR HR
4 records

Rajen

Active

Capsicum annuum L. · Bell pepper

Petr Klapste

CZ UA
4 records

Brassica napus var. napus · Rapeseed

Mas Seeds S.A.S.

FR UA
4 records

Seedney

Terminated

Zea mays L. · Maize

LIMAGRAIN EUROPE S.A.

IT PT
3 records

RPK8015

Active

Zea mays L. · Maize

Lidea France S.A.S

UA
4 records

Rodonia

Active

Zea mays L. · Maize

Miloslav Masnica

SK UA
4 records

R11CA10M

Active

Helianthus annuus L. · Sunflower

Soltis S.A.S. France

BG UA
3 records

Puyol

Terminated

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

DE IT
4 records

Zea mays L. · Maize

R.A.G.T. 2n SAS

AT UA
4 records

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

PL
4 records

Ribera

Active

Capsicum annuum L. · Bell pepper

RAMIRO ARNEDO, S.A.

ES NL
4 records

Rona

Protection expired

Zea mays L. · Maize

MTA Agrártudományi Kutatóközpont MGI, Martonvásár

HU SK
3 records

Produra

Protection expired

Triticum durum Desf. · Durum wheat

Syngenta Participations AG

ES IT
3 records

Helianthus annuus L. · Sunflower

SOLTIS S.A.S

BG UA
4 records

Sesenta

Terminated

Solanum lycopersicum L. · Tomato

DE RUITER SEEDS

ES NL
3 records

Robinson

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Johannes Dieckmann (DE)

DE FR
3 records

Samurai

Terminated

Lolium multiflorum Lam. · Italian ryegrass

ZULUETA CORPORACION

ES PT
4 records

Rival

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

Societe Europeenne de Semences NV/SA (BE)

FR GR
3 records

Ribera

Protection expired

Zea mays L. subsp. mays (Maize Group) · Maize

Pioneer Hi-Bred International Inc (US)

CZ FR
3 records

PR39G83

Protection expired

Zea mays L. subsp. mays (Maize Group) · Maize

PIONEER HI-BRED INTERNATIONAL

FR PL
3 records

PR38V12

Protection expired

Zea mays L. subsp. mays (Maize Group) · Maize

PIONEER OVERSEAS CORPORATION US

CZ FR
3 records

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