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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.

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

CZ PL
4 records

Stanley

Active

Brassica napus L. · Rapeseed

Saatzucht Donau Ges.m.b.H.& Co KG

LT SK
3 records

SW Rebus

Protection expired

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

Persson Christer

FI SE
4 records

Siglo

Terminated

Cucumis melo L. · Melon

NOVARTIS SEEDS B.V.

ES NL
3 records

Sienna

Terminated

Cucumis sativus L. · Cucumber

NUNZA B.V.

NL PL
4 records

SVTM9018

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable IP Management B.V.

NL UA
5 records

SICCO

Terminated

Triticum aestivum L. · Bread wheat

DLF SEEDS A/S

FR IE
4 records

Beta vulgaris Sugar Beet Group · Sugar beet

KWS Saat SE Finanzbuchhaltung

BE NL
3 records

Suporto

Active

Zea mays L. · Maize

Mario Lo Pinto

IT UA
4 records

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

DE UA
4 records

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

ES NL
3 records

Soleiado

Terminated

Cichorium endivia L. · Endive

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR NL
4 records

Sumeric

Active

Zea mays L. · Maize

Monsanto Technology, USA

IT
5 records

Senator

Application submitted

Lolium perenne L. · Perennial ryegrass

Mommersteeg International BV (NL)

DE FR
4 records

Supernor

Terminated

Phaseolus vulgaris L. · Common bean

SEMINOR

FR HR
5 records

Sumador

Terminated

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL PL
3 records

Seldon

Terminated

Avena sativa L. · Oat

SELGEN A.S

AT CZ
4 records

Sixxtus

Active

Zea mays L. · Maize

R2n SAS

PT
3 records

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE&CO.KGaA, DE

DE FR
3 records

Rondona

Protection expired

Solanum melongena L. · Eggplant

Syngenta Seeds BV (NL)

NL SI
3 records

Phaseolus vulgaris L. · Common bean

FERRY MORSE

ES SI
3 records

Silvama

Terminated

Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage

MARNER GZG| Rijk Zwaan Marne Aktiengesellschaft

DE PL
3 records

Scarlett

Active

Solanum tuberosum L. · Potato

Y.P. van der Werff/ZPC

CZ NL
4 records

Rodeo

Active

Capsicum annuum L. · Bell pepper

OLTER SRL

IT NL
3 records

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