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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

Maize maturity group 5 061 Tomato maturity group 2 293 Sunflower maturity group 1 708 Maturity group — soft wheat 1 598 Maize maturity group 1 583 Grape Ripening Period 1 407 Potato maturity group 1 217 Barley Maturity Group 1 086 Pepper maturity groups 1 065 Apple Ripening Groups 890 Bean maturity group 807 Peach Maturity Group 794 Pea Maturity Group 779 Maturity Group — Soybean 777 Rapeseed maturity group 739 Maturity group — sugar beet 700 Cucumber Maturity Groups 670 Lettuce maturity group 589 Grape Ripening Period 579 Maturity group — Perennial ryegrass 564 Sweet Cherry Ripening Period 507 Carrot Maturity Groups 415 Melon maturity groups 410 Maturity group — white cabbage 384

Found in these crops

Maize 4 386 Maize 1 378 Sunflower 1 347 Tomato 1 205 Bread wheat 1 015 Barley 753 Potato 741 Soybean 740 Sugar beet 589 Bell pepper 582 Rapeseed 550 Common bean 518

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.

Tolstoj

Active

Cucumis sativus L. · Cucumber

MORAVOSEED

CZ
3 records

Timor PZO

Active

Glycine max (L.) Merr. · Soybean

Stephanie Franck^^^Universität Hohenheim

DE
4 records

Trimtop

Active

Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts

Syngenta Seeds B.V.

NL
6 records

Tonic

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed Inc. (US)

FR
3 records

Triman

Active

Lolium perenne L. · Perennial ryegrass

Pure Seed Testing Inc (US)

FR
5 records

Tref

Protection expired

Hordeum vulgare L. · Barley

Poljoprivredni Institut Osijek, HR

HR
3 records

Thipic

Active

Triticum aestivum L. · Bread wheat

Florimond Desprez Veuve et Fils, FR

FR
4 records

TURUNChUK

Active

Triticum aestivum L. · Bread wheat

LYFENKO SAVELIJ FILIPPOVICh / ERINYaK NIKOLAJ IVANOVICh / FEDChENKO VLADIMIR PAVLOVICh / NARGAN TAT'YaNA PAVLOVNA / DOROFEEVA ZINAIDA DMITRIEVNA / RODENKO GALINA ANATOL'EVNA / BREDINSKAYa NADEZhDA STEPANOVNA / D'YaChENKO NADEZhDA EGOROVNA

UA
5 records

Titouan

Active

Hordeum vulgare L. · Barley

Syngenta Seeds Limited (GB)

FR
4 records

Trambellino

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Turchese

Active

Triticum durum Desf. · Durum wheat

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

IT
3 records

Tilmor

Active

Hordeum vulgare L. · Barley

Danko Hodowla Roslin Sp.z.o.o.

PL
5 records

Turbo

Active

Hordeum vulgare L. · Barley

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

PL
4 records

Tirabi

Active

Pisum sativum L. · Pea

SEMILLAS FITO, S.A.

ES
5 records

Tipo

Active

Hordeum vulgare L. · Barley

AGROSERVICE SPA

IT
4 records

Totem

Terminated

Glycine max (L.) Merr. · Soybean

Raoul Rolly S.A.R.L.^^^Delley Semences et Plantes (DSP) S.A.^^^Claude-Alain Bétrix

IT
4 records

Tibbee

Active

Trifolium incarnatum L. · Crimson clover

Delta and Pine Land Company

IT
3 records

Terminillo

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

VEGETABLE MONSANTO B.V.

NL
3 records

Tilman

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Strube, D

SK
3 records

Tiber

Terminated

Oryza sativa L. · Rice

CIRAD-BIOS (FR)/Centre Francais du Riz (FR)

FR
4 records

Tharon

Active

Lolium perenne L. · Perennial ryegrass

Grass G.I.E.

PT
4 records

Temuco

Active

Zea mays L. · Maize

SEMILLAS FITO' S.A.

IT
4 records

Tempo

Terminated

Cynara cardunculus L. · Cardoon

NUNZA B.V.^^^Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

ES
5 records

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