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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.

Pizzamonty

Withdrawn

Solanum lycopersicum L. · Tomato

Nunhems B.V.

NL
2 records

Rayonis

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
2 records

Noks

Active

Zea mays L. · Maize

Dziubetskyi, Borys Bebekh, Alina Bodenko, Natalia Plotka, Vitalii Haidash, Oleksandr Bondar, Tetiana Cherchel, Vladyslav Bernatskyi, Maksym Abelmasov, Oleksii Ilchenko, Larysa

UA
3 records

Solanum tuberosum L. · Potato

Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie

PL
3 records

Raphanus sativus L. var. niger (Mill.) S. Kerner · Black radish

Domaine Public (FR)

FR
2 records

SF4701T

Terminated

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

SEMILLAS FITO, S.A.

ES
2 records

Snackyl

Active

Capsicum annuum L. · Bell pepper

Graines Voltz (FR)

FR
4 records

Monpersi

Active

Prunus persica (L.) Batsch · Peach

Rene Monteux-Caillet (FR)

FR
5 records

Scanor

Terminated

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

Caussade Semences SA (FR)

FR
2 records

MZX1

Active

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

Popcorn Zangger Hybrids (US)

FR
2 records

P1884y

Terminated

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

PIONEER OVERSEAS CORPORATION

ES
2 records

Zea mays L. · Maize

LIMAGRAIN EUROPE S.A.

IT
2 records

Mejaš

Terminated

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

Bc Institut d.d. Zagreb (HR)

HR
2 records

P1547Y

Terminated

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

PIONEER HI-BRED INT.INC/PIONEER OVERSEAS CORP.

ES
2 records

Triticum durum Desf. · Durum wheat

RAGT 2n

ES
2 records

Maxeed

Active

Zea mays L. · Maize

MONSANTO AGRICOLTURA ITALIA S.P.A. / MONSANTO TECHNOLOGY LLC.

IT
2 records

Ossk 635

Active

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

Poljoprivredni Institut Osijek, HR

HR
2 records

Triticum durum Desf. · Durum wheat

RAGT 2N S.A.S

IT
3 records

Os 4374

Protection expired

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

Poljoprivredni Institut Osijek, HR

HR
2 records

Roxanne

Active

Beta vulgaris Garden Beet Group · Garden beet

SUBA SEEDS COMPANY S.P.A.

NL
2 records

Solanum lycopersicum L. · Tomato

Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa w Ozarowie Mazowieckim Spolka z o.o.

PL
3 records

Odegwen

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Organisation Bretonne de Selection-OBS (FR)/Institut National de la Recherche Agronomique (FR)/Cerafel (FR)

FR
2 records

Cynara cardunculus L. · Cardoon

Catia Bastioli^^^Luigi Capuzzi^^^Anna Ciancolini^^^Paola Patrizia Maria Crinò^^^Valentina Tolaini

IT
3 records

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