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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.

8N358cl

Active

Helianthus annuus L. · Sunflower

Steve Thompson

IT UA
4 records

8C410CL

Active

Helianthus annuus L. · Sunflower

Steve Thompson

PT UA
4 records

RGT Djoko

Terminated

Triticum aestivum L. · Bread wheat

RAGT 2n, FR

FR
3 records

269F518

Active

Zea mays L. · Maize

Rene Baratin

UA
3 records

Zea mays L. · Maize

IVANOVICh MILE

BG UA
4 records

Zodiac

Active

x Triticosecale Wittm. ex A. Camus · Triticale

RAGT 2n

ES
5 records

SV0948TS

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable IP Management B.V.

NL
7 records

Pharaon

Active

Trifolium alexandrinum L. · Egyptian clover

Estero S.A. (UY)

FR
4 records

Sunimax

Active

Helianthus annuus L. · Sunflower

AGRI OBTENTIONS / INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE (I.N.R.A.)

IT
3 records

Vinger

Active

Avena sativa L. · Oat

Graminor AS, N-2322 Ridabu

FI
4 records

STR Pace

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

DE
4 records

Vezer

Active

Phaseolus vulgaris L. · Common bean

Vilmorin-Mikado S.A.S.

FR
4 records

RGT Frenezio

Terminated

Triticum aestivum L. · Bread wheat

RAGT 2n, FR

FR
3 records

P64le71

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION

ES
5 records

Tirza

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

HAZERA SEEDS B.V.

NL
3 records

Ticalo

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

Svalof Weibull BV (NL)

FR
3 records

Omart

Terminated

Triticum aestivum L. · Bread wheat

JORION S.A.

BE
3 records

Triticum aestivum L. · Bread wheat

RAGT IBERICA

ES
4 records

Helianthus annuus L. · Sunflower

Syngenta Participations AG| CH

FR
3 records

x Triticosecale Wittm. ex A. Camus · Triticale

RAGT 2n

ES
4 records

Triticum durum Desf. · Durum wheat

RAGT 2N S.A.S

IT
4 records

x Triticosecale Wittm. ex A. Camus · Triticale

RAGT 2n

ES
4 records

NAV290

Active

Glycine max (L.) Merr. · Soybean

Schillinger Genetics Inc

IT
4 records

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