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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.

Zea mays L. · Maize

Dziubetskyi Borys Volodymyrovych, Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych,

UA
3 records

De Moissac

Terminated

Allium cepa L. var. cepa · Onion

Domaine Public (FR)

FR
2 records

DK 557

Terminated

Zea mays L. · Maize

HU
3 records

DK507

Active

Zea mays L. · Maize

Dekalb Genetics Corporation

IT
3 records

DRIVER

Active

Zea mays L. · Maize

Edward Snyder

UA
3 records

Zea mays L. · Maize

Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,

UA
3 records

Zea mays L. · Maize

Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,

UA
3 records

DK232MV

Active

Zea mays L. · Maize

Borysov Viktor Mykolaiovych, Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,

UA
3 records

Zea mays L. · Maize

Cherchel Vladyslav IUriiovych, Dziubyts`kyi Borys Volodymyrovych,

UA
3 records

Brassica rapa L. var. rapa (L.) Thell. · Turnip

Domaine Public (FR)

FR
2 records

Citrus sinensis (L.) Osbeck · Sweet orange

Nicholson, Donald John

FR
2 records

Dravus

Active

Zea mays L. · Maize

Saatzucht Gleisdorf (AT)

SI
2 records

Dita

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SES EUROPE N.V./ S.A.

IT
2 records

DP 2156

Application submitted

Gossypium hirsutum L. · Upland cotton

DELTA&PINE LAND HOLDING

ES
2 records

Zea mays L. · Maize

Dekalb Genetics Corporation

PT
2 records

Diamanti

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
2 records

Daytona

Terminated

Solanum tuberosum L. · Potato

CENTRO INTERPROVINCIALE DI SPERIMENTAZIONE AGROAMBIENTALE MARIO NERI

IT
3 records

Dorondon

Active

Triticum durum Desf. · Durum wheat

Genetica y Gestion S.L.

ES
3 records

Dora

Protection expired

Gossypium hirsutum L. · Upland cotton

GERMAIN'S COTTON SEEDS

GR
3 records

De Verrières

Terminated

Lactuca sativa L. · Lettuce

Vilmorin SA (FR)

FR
2 records

Dorabel

Terminated

Phaseolus vulgaris L. · Common bean

Vilmorin SA (FR)

FR
3 records

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