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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.

Edelotte

Active

Allium cepa L. var. aggregatum G. Don · Shallot

Broersen International B.V.

NL
3 records

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

MONSANTO TECHNOLOGY

ES
2 records

DKC3491

Protection expired

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

Limagrain Verneuil Holding (FR)

FR
2 records

Frankone

Active

Capsicum annuum L. · Bell pepper

SOUTHERN SEED S.R.L.

IT
2 records

Devis

Active

Zea mays L. · Maize

Haidash, Oleksandr Leonidovych Bernatskyi, Maksym Mykhailovych Dziubetskyi, Borys Volodymyrovych Olizko, Oleksii Petrovych Cherchel, Vladyslav Iuriiovych Abelmasov, Oleksii Viktorovych Plotka, Vitalii Vitaliiovych Bondar, Tetiana Mykolaivna Bodenko, Natal

UA
3 records

DKC7023

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
2 records

Zea mays L. · Maize

Rainer Leipert

UA
3 records

DKC6731

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
2 records

Fazioli

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
2 records

DKC6537

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
2 records

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

MONSANTO TECHNOLOGY

ES
2 records

KI 1239

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

I. Uchkunov, K. Uchkunova, V. Veginov, I. Ivanov, I. Popov, D. Panayotova, S. Takov, E. Demireva

BG
3 records

Daleza

Active

Asparagus officinalis L. · Asparagus

AspEnza B.V.

NL
3 records

LEU13116

Active

Hordeum vulgare L. · Barley

Asur Plant Breeding (FR)

FR
2 records

DK 7337M

Active

Zea mays L. · Maize

Dziubetskyi Borys Volodymyrovych, Cherchel Vladyslav IUriiovych,

UA
3 records

Zea mays L. · Maize

Rainer Leipert

UA
3 records

Epico

Active

Triticum aestivum L. · Bread wheat

INIA/IFAPA/IRTA/ITACYL

ES
3 records

Joker

Active

Vicia faba L. var. major Harz · Broad bean

W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O

PL
3 records

Beta vulgaris Sugar Beet Group · Sugar beet

Florimond Desprez

IT
2 records

Fat man

Active

Cucurbita maxima Duchesne · Giant pumpkin

BLUMEN GROUP S.P.A

IT
2 records

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

MONSANTO TECHNOLOGY

ES
2 records

Consuelo YG

Terminated

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

MONSANTO TECHNOLOGY

ES
2 records

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

MONSANTO TECHNOLOGY

ES
2 records

Crystal

Active

Sorghum bicolor (L.) Moench · Sorghum

RAGT 2N S.A.S

IT
2 records

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