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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.

Dolichi

Active

Medicago sativa L. · Alfalfa

HAO-DEMETER-Fodder Crops and Pastures Institute

GR
4 records

Dagra

Terminated

Festuca pratensis Huds. · Meadow fescue

Alicja Ramenda

PL
4 records

Cuti

Active

Glycine max (L.) Merr. · Soybean

AGENZIA REGIONALE PER LO SVILUPPO RURALE (ERSA)

IT
3 records

DKC6842

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
3 records

Defender

Terminated

Triticum aestivum L. · Bread wheat

PLANT BREEDING INTERNATIONAL CAMBRIDGE

BE
4 records

Defensor

Active

hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner

Jean Winoc Hennart

FR
5 records

Crono

Terminated

Helianthus annuus L. · Sunflower

CREA- CENTRO DI RICERCA PER LE COLTURE INDUSTRIALI (CREA-CI-BO)

IT
3 records

CRLB1

Active

Oryza sativa L. · Rice

ENTE NAZIONALE RISI

IT
3 records

Dauréa

Active

Linum usitatissimum L. · Common flax

Linéa Semences de Lin G.I.E.

FR
4 records

DAX3360

Active

Zea mays L. · Maize

Syngenta Participations AG

UA
4 records

Crousty

Protection expired

Triticum aestivum L. · Bread wheat

Svalof Weibull AB

FR
5 records

Crina

Active

Triticum aestivum L. · Bread wheat

SAULESCU NICOLAEITTU GHEORGHEITTU MARIANAMUSTATEA POMPILIUTIANU MIHAELAPETCU ELENA

RO
3 records

Diplomat

Protection expired

Lolium perenne L. · Perennial ryegrass

Lofts Seed Company, Inc.

FR
3 records

Cannabis sativa L. · Hemp

Federation Nationale des Producteurs de Chanvre (FR)

FR
4 records

Diwann

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

Serasem, FR

FR
3 records

Dario

Active

Allium sativum L. · Garlic

Top Semence (FR)

FR
4 records

Diamant

Active

Solanum melongena L. · Eggplant

KLIMENKO NIKOLAJ NIKOLAEVICh / KOSTENKO ALEKSANDR NIKOLAEVICh / MAKSIMOV SERGEJ VASIL'EVICh / SERGEEV VLADIMIR VALER'EVICh

GR
3 records

Diplomat

Active

Lolium multiflorum Lam. · Italian ryegrass

PHP PETERSEN

DE
4 records

Diomede

Active

Hordeum vulgare L. · Barley

CREA-CENTRO DI RICERCA INGEGNERIA E TRASFORMAZIONI AGROALIMENTARI (CREA-IT-RM)

IT
3 records

Creneau

Protection expired

Triticum aestivum L. · Bread wheat

SE.CO.CE. SEMENCES SA (FR)

FR
5 records

Dakter

Terminated

Triticum durum Desf. · Durum wheat

Eurodur S.A.

FR
4 records

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