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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.

Kenza

Active

Solanum tuberosum L. · Potato

SCICA BRETAGNE- PLANTS

FR IT
5 records

Prunus persica (L.) Batsch · Peach

ES IT
4 records

Solanum tuberosum L. · Potato

C. Meijer B.V.

NL PL
6 records

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL UA
7 records

Imhotep

Terminated

Triticum durum Desf. · Durum wheat

Eurodur S.A.

ES IT
5 records

Julijana

Active

Glycine max (L.) Merr. · Soybean

Poljoprivredni Institut Osijek, HR

HR HU
4 records

Hyland

Protection expired

Triticum aestivum L. · Bread wheat

NORDSAAT SAATZUCHT

HU
6 records

Karim

Terminated

Trifolium pratense L. · Red clover

GAYRAND| P. Gayrand c/o AMFO

DE FR
4 records

Zea mays L. · Maize

Pioneer Overseas Corporation, Pioneer Hi-Bred International Inc.

IT SK
5 records

Brassica napus var. napus · Rapeseed

KWS SAAT SE&CO.KGaA, DE

FR UA
6 records

Triticum aestivum L. · Bread wheat

KWS UK LTD

SE
8 records

Homera

Active

Capsicum annuum L. · Bell pepper

Wouter Lindeman, Aernoudt Aardse,

NL UA
5 records

Jura

Terminated

Hordeum vulgare L. · Barley

SAATZUCHT JOSEF BREUN GmbH&Co.KG

DE SE
6 records

KWS Erasmus

Terminated

Triticum aestivum L. · Bread wheat

Erhard Ebmeyer^^^Reiner Bothe

NL
6 records

Kaboko

Active

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

BEJO ZADEN

CZ NL
4 records

Jackie

Terminated

Hordeum vulgare L. · Barley

SAATZUCHT JOSEF BREUN GMBH and CO.KG

DE FR
4 records

Icaro

Active

Triticum durum Desf. · Durum wheat

ISEA S.R.L

FR IT
5 records

Hordeum vulgare L. · Barley

KWS MOMONT RECHERCHE S.A.R.L

DE DK
6 records

Jetton

Active

Brassica napus var. napus · Rapeseed

Martin Frauen

DE
6 records

Hayet

Active

Solanum lycopersicum L. · Tomato

SVR, ZAF

FR UA
4 records

Solanum lycopersicum L. · Tomato

Paul Degreef

NL UA
8 records

Harmoni

Terminated

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

Persson Christer

FI SE
7 records

Ingrid

Terminated

Zea mays L. · Maize

Limagrain Nederland B.V.

DE UA
5 records

Kougar

Active

Zea mays L. · Maize

KWS SAAT SE and CO KGAA

DK IE
5 records

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