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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.

Star

Terminated

Zea mays L. · Maize

SARCA TRAIANCIOCAZANU IONCOSMIN OCTAVIANBICA NICOLAEBAGIU CONSTANTIN

RO
3 records

Sombrero

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SESVANDERHAVE N.V./S.A.

PL
2 records

Spitfire

Active

Brassica napus L. · Rapeseed

NEW ZEALAND INSTITUTE FOR PLANT AND FOOD

NL
2 records

Zea mays L. · Maize

Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych, Andrianova Nina Fedorivna, Mykuliak Ivan Stepanovych, Chernomyz Anatolii Mykolaiovych,

UA
2 records

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

KWS Saat AG, DE

FR
2 records

Spillo

Active

Oryza sativa L. · Rice

Borando Daniele (IT)

BG
2 records

SNH9609

Active

Zea mays L. · Maize

COOPSEMENTI SCARL

IT
2 records

SNH7740

Active

Zea mays L. · Maize

COOPSEMENTI SCARL / PLANTA SRL

IT
2 records

SNH5628

Active

Zea mays L. · Maize

COOPSEMENTI SCARL

IT
2 records

SM Zadra

Active

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
2 records

Smok

Terminated

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
6 records

Zea mays L. · Maize

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

LT
2 records

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
2 records

Sorenta

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Agra Società del Seme s.r.l.

BE
2 records

SNH7541

Active

Zea mays L. · Maize

COOPSEMENTI SCARL / PLANTA SRL

IT
2 records

Zea mays L. · Maize

COOPSEMENTI SCARL / PLANTA SRL

IT
2 records

SNH0665

Active

Zea mays L. · Maize

COOPSEMENTI SCARL / PLANTA SRL

IT
2 records

Sloan

Protection expired

Glycine max (L.) Merr. · Soybean

Iowa Agriculture and Home Economics Experiment Station

FR
2 records

Smolan

Protection expired

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
3 records

SMK26

Active

Capsicum annuum L. · Bell pepper

Nir Binyamin^^^David Jolles

ES
2 records

Prunus persica (L.) Batsch · Peach

Lowell Glen Bradford (US)

FR
5 records

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
2 records

SM Gryf

Active

Zea mays L. · Maize

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

LT
2 records

SS3880MR

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Syngenta Crop Protection AG

PL
2 records

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