Skip to content

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.

Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard

Tarja Niemelä^^^Katja Hämäläinen^^^Anu Väinölä

FI
3 records

KWS Sunny

Terminated

Hordeum vulgare L. · Barley

Jörg Großer

DE
2 records

Zea mays L. · Maize

Roland Debeuf

UA
3 records

Sorghum bicolor (L.) Moench · Sorghum

KWS SAAT SE & CO.KGAA

PT
2 records

KXA 7461

Active

Zea mays L. · Maize

LEIPERT RAINER

UA
4 records

LG50513

Active

Helianthus annuus L. · Sunflower

Limagrain Europe, FR

BG
2 records

Avena sativa L. · Oat

KWS MOMONT RECHERCHE SARL, FR

FR
3 records

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

KWS SAAT SE&CO.KGaA, DE

HR
2 records

Kuartos

Terminated

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT
2 records

Hordeum vulgare L. · Barley

KWS MOMONT RECHERCHE SARL, FR

FR
2 records

Secale cereale L. · Rye

KWS Lochow

PL
2 records

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT
2 records

KWS AB174R

Terminated

Secale cereale L. · Rye

KWS Lochow

PL
2 records

Liberty

Active

Sorghum bicolor (L.) Moench · Sorghum

Rodney Coe

UA
4 records

Kros277M

Active

Zea mays L. · Maize

Korobko IUliia Anatoliivna, Bondar` Tetiana Mykolaivna, Marochko Valentyna Anatoliivna, Cherchel` Vladyslav IUriiovych, Dziubets`kyi Borys Volodymyrovych,

UA
3 records

Zea mays L. · Maize

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

UA
3 records

Zea mays L. · Maize

Antoine Vincent

UA
3 records

KW 397

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Jens Christoph Lein^^^Dominik Müller

DE
3 records

KWS6565

Active

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT
2 records

Zea mays L. · Maize

Claire Trautmann

UA
3 records

KWS3381

Protection expired

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

KWS Saat AG, DE

HR
2 records

LG Dita

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe S.A.S

CZ
3 records

Zea mays L. · Maize

Stefanie Müller

UA
3 records

Jump to page 154 308 423 462 513 533 617 623 771 925