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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.

Prunus persica (L.) Batsch · Peach

Zaiger, Chris F.|537 Rosemore Avenue Modesto, CA 95351

FR
5 records

Rosan

Active

Solanum tuberosum L. · Potato

Winfried Lange

DE
5 records

Rosalin

Active

Solanum lycopersicum L. · Tomato

Sakata Seed Corporation, JP

FR
3 records

RT8311

Active

Helianthus annuus L. · Sunflower

RAGT 2N S.A.S

UA
5 records

Romilda

Terminated

Hordeum vulgare L. · Barley

SAATZUCHT JOSEF BREUN GMBH and CO.KG

EE
3 records

Safta F

Active

Glycine max (L.) Merr. · Soybean

DAVID IONICAMANEA DANIELABARBIERU ANCUTA

RO
4 records

Romansa

Active

Capsicum annuum L. · Bell pepper

Superior, Velika Plana

BG
3 records

Brassica oleracea L. (Cauliflower Group) · Cauliflower

DE CORATO SEMENTI

IT
3 records

Romel

Active

Trifolium subterraneum L. · Subterranean clover

INIAV - Instituto Nacional de Investigacao Agraria e Veterinaria.

PT
4 records

Festuca arundinacea Schreb. · Tall fescue

E.F.BURLINGHAM SONS

ES
3 records

Riccodur

Active

Triticum durum Desf. · Durum wheat

Saatzucht Donau GmbH & Co.KG

AT
4 records

Rodos

Active

Lathyrus cicera L. · Chickling vetch

HAO-DEMETER-Fodder Crops and Pastures Institute

GR
4 records

Roscor

Terminated

Solanum tuberosum L. · Potato

NIPBS (IE)

HR
4 records

Helianthus annuus L. · Sunflower

Jocie Sinisa

UA
4 records

Ruen

Terminated

Hordeum vulgare L. · Barley

N. Mersinkov, Y. Dimova, P. Penchev, N. Lazarov

BG
5 records

Roneta

Terminated

Lolium perenne L. · Perennial ryegrass

Alicja Ramenda

PL
4 records

Ricamon

Active

Freesia Eckl. ex Klatt · Freesia

Jean-Michel Richon

NL
3 records

x Triticosecale Wittm. ex A. Camus · Triticale

RAGT 2N S.A.S

FR
4 records

Romano

Terminated

Phaseolus vulgaris L. · Common bean

FERRY MORSE

ES
3 records

Rilana

Active

Solanum tuberosum L. · Potato

Europlant Pflanzenzucht GmbH

DE
6 records

RGT Verbum

Terminated

Triticum aestivum L. · Bread wheat

RAGT CZECH S.R.O.

SK
4 records

x Triticosecale Wittm. ex A. Camus · Triticale

RAGT 2N S.A.S

FR
4 records

RGT Silodur

Terminated

Triticum durum Desf. · Durum wheat

RAGT 2N S.A.S

IT
4 records

Riana

Active

Triticum aestivum L. · Bread wheat

Todor Gubatov

BG
5 records

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