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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

Maize maturity group 5 061 Tomato maturity group 2 293 Sunflower maturity group 1 708 Maturity group — soft wheat 1 598 Maize maturity group 1 583 Grape Ripening Period 1 407 Potato maturity group 1 217 Barley Maturity Group 1 086 Pepper maturity groups 1 065 Apple Ripening Groups 890 Bean maturity group 807 Peach Maturity Group 794 Pea Maturity Group 779 Maturity Group — Soybean 777 Rapeseed maturity group 739 Maturity group — sugar beet 700 Cucumber Maturity Groups 670 Lettuce maturity group 589 Grape Ripening Period 579 Maturity group — Perennial ryegrass 564 Sweet Cherry Ripening Period 507 Carrot Maturity Groups 415 Melon maturity groups 410 Maturity group — white cabbage 384

Found in these crops

Maize 4 386 Maize 1 378 Sunflower 1 347 Tomato 1 205 Bread wheat 1 015 Barley 753 Potato 741 Soybean 740 Sugar beet 589 Bell pepper 582 Rapeseed 550 Common bean 518

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.

G 103S

Terminated

Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum

FUNK SEED

ES
1 record

Frida

Active

Beta vulgaris Sugar Beet Group · Sugar beet

DLF Beet Seed APS

PL
1 record

Ferticarpo

Active

Trifolium L. · Clover

FERTIPRADO

PT
1 record

Fruro

Withdrawn

Triticum aestivum L. · Bread wheat

GUERRESI SEMENTI S.R.L.

IT
1 record

FREDORELLA

Terminated

Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

Froncinal

Withdrawn

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

FREIHERR VON MOREAU SAATZUCHT

NL
1 record

F 522

Terminated

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

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

F 485

Protection expired

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

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

Franki

Terminated

Brassica napus L. · Rapeseed

Franz Blumenshein

UA
1 record

Frisé

Terminated

Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley

Domaine Public (FR)

FR
1 record

FELIBON

Terminated

Phaseolus vulgaris L. · Common bean

Nickerson Zwaan

ES
2 records

FR810LY08

Active

Helianthus annuus L. · Sunflower

Syngenta Crop Protection AG

UA
2 records

EXP258B

Withdrawn

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
1 record

FD96506 4

Active

Pisum sativum L. · Pea

FLORIMOND DESPREZ VEUVE ET FILS

ES
1 record

Feeling (o2)

Terminated

Zea mays L. · Maize

CROW'S HYBRID CORN CO.

IT
1 record

FD16WW003

Active

Triticum aestivum L. · Bread wheat

Florimond Desprez

IT
1 record

FR 35

Terminated

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

Illinois Foundation Seeds Central Office and Research (US)

FR
1 record

Fossil

Application submitted

Pisum sativum L. · Pea

Institut national de recherche pour l'agriculture, l'aliment (FR)/Agri Obtentions SA (FR)

FR
1 record

FONTANA

Terminated

Chrysanthemum indicum L. · Indian chrysanthemum

Cornelis P. VANDENBERG (US)

FR
1 record

Farmathon

Application submitted

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

IT
1 record

FD05152

Terminated

Triticum aestivum L. · Bread wheat

FLORIMOND DESPREZ VEUVE ET FILS

ES
1 record

FRAN

Protection expired

Hordeum vulgare L. · Barley

Poljoprivredni Institut Osijek, HR

HR
1 record

Fragrant Jewel

Active

Narcissus L. · Daffodil

Leenen Innovation B.V.

NL
1 record

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