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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.

Malus domestica (Suckow) Borkh. · Apple

The Francois Family Trust (NZ)

FR NL
8 records

Reactor

Active

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

Syngenta Seeds B.V. (NL)

HR NL
6 records

Pirueta

Active

Triticum aestivum L. · Bread wheat

SELGEN A.S

UA
7 records

Daucus carota L. · Carrot

ROGER FREEMAN

NL UA
9 records

Redeva

Active

Ribes uva-crispa L. · Gooseberry

Werner Grafmüller

DE NL
10 records

Rosetta

Terminated

Lolium perenne L. · Perennial ryegrass

David Johnston

IE NL
8 records

Rhino

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SESVanderhave NV

LT NL
5 records

Phaseolus vulgaris L. · Common bean

Gebr. Bakker, NL-1723 ZG Noord Scharwoude

CZ NL
5 records

R6NW1MJ

Active

Helianthus annuus L. · Sunflower

Thierry Andre

BG UA
6 records

Helianthus annuus L. · Sunflower

Sud Cereales (FR)

ES FR
5 records

RGT Jill

Active

Helianthus annuus L. · Sunflower

Ragt, F

IT UA
7 records

Glycine max (L.) Merr. · Soybean

Institut za ratarstvo i povrtarstvo, Novi Sad (RS)

HR UA
8 records

RGT Ylesia

Terminated

Hordeum vulgare L. · Barley

RAGT 2N S.A.S

FR PL
6 records

Predix

Terminated

Festuca pratensis Huds. · Meadow fescue

Euro Grass Breeding GmbH Co. KG

DE DK
7 records

Glycine max (L.) Merr. · Soybean

RAGT 2N S.A.S

FR UA
7 records

PinkID

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable, NL

NL UA
8 records

Pilier

Active

Triticum aestivum L. · Bread wheat

Florimond Desprez Veuve et Fils, FR

FR IT
7 records

P9985

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

IT UA
7 records

Ragtac

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

RAGT 2N S.A.S

DE FR
6 records

Helianthus annuus L. · Sunflower

Ragt 2n, F

IT UA
7 records

Pr64f66

Active

Helianthus annuus L. · Sunflower

Sadik

IT UA
8 records

P0439

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

IT RO
8 records

Paprika

Active

Glycine max (L.) Merr. · Soybean

Claude-Alain Bétrix

AT UA
7 records

Puffin

Protection expired

Hordeum vulgare L. · Barley

MMG AGRISEED PLANT BREED. (GB)

FR IE
7 records

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