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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.

PR34N44

Terminated

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

Pioneer Hi-Bred International Inc (US)

ES FR
4 records

Zea mays L. · Maize

RAGT 2N S.A.S

IT PT
3 records

RGT Fuxxter

Terminated

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

RAGT 2n, FR

CZ FR
3 records

Protidor

Protection expired

Hordeum vulgare L. · Barley

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR IT
4 records

Prinxio

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT PT
4 records

Passus

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

NORDSAAT| NORDSAAT Saatzuchtgesellschaft mbH

AT DE
4 records

Helianthus annuus L. · Sunflower

SOLTIS S.A.S

BG UA
4 records

R13SS3MJ

Active

Helianthus annuus L. · Sunflower

Thierry Andre

BG UA
4 records

Premmio

Active

Beta vulgaris L. · Beet

MariboHilleshög ApS

AT SK
4 records

Poljana

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

DE PL
3 records

Pylon

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

MORAVOSEED CZ A.S.

CZ UA
4 records

Pregia

Terminated

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

Pioneer Hi-Bred International Inc (US)

FR HR
3 records

Brassica napus var. napus · Rapeseed

Limagrain Europe, FR

FR UA
4 records

Prescot

Terminated

Medicago sativa L. · Alfalfa

DLF-TRIFOLIUM A/S

DK PL
4 records

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

RAGT 2n, FR

CZ FR
3 records

RGT Griffin

Application submitted

Triticum aestivum L. · Bread wheat

RAGT 2n

DK NL
5 records

PR39A50

Protection expired

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

PIONEER OVERSEAS CORPORATION US

FR NL
3 records

Proton

Active

Solanum tuberosum L. · Potato

PRUMMEL (NL)

FR NL
4 records

PR36V74

Active

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

Pioneer Hi-Bred International Inc (US)

FR HR
3 records

PR36R10

Terminated

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

PIONEER HI-BRED SERVICES GmbH,AT

ES HR
3 records

Rasmus

Active

Trifolium pratense L. · Red clover

Oseva Uni a.s., CZ

CZ FR
4 records

PR35T06

Terminated

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

PIONEER OVERSEAS CORPORATION US

FR HR
3 records

P9903

Active

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

Pioneer Hi-Bred International Inc (US)

FR HR
3 records

PR38H67

Protection expired

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

Pioneer Hi-bred International Inc. (USA)

CZ HR
3 records

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