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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.

Cornelia

Terminated

Hordeum vulgare L. · Barley

Heinrich Busch^^^HERRMANN MANFRED

DE
6 records

Denver

Active

Capsicum annuum L. · Bell pepper

Clause Semences SA (FR)/Institut National de la Recherche Agronomique (FR)

FR
4 records

Cumbre

Active

Vicia sativa L. · Common vetch

INDUSTRIAS AGRARIAS CASTELLANAS, S.A.-INDACSA

ES
5 records

Cuda

Active

Allium porrum L. · Leek

Semsearch B.V.

SK
5 records

Corallo

Active

Triticum durum Desf. · Durum wheat

ISEA S.R.L

IT
5 records

Delux

Active

Avena strigosa Schreb. · Black oat

PANAM FRANCE SARL, FR

FR
4 records

Deltapine 61

Protection expired

Gossypium hirsutum L. · Upland cotton

DELTA&PINE LAND HOLDING

ES
3 records

Crispsol

Active

Prunus persica (L.) Batsch · Peach

Laurence Maillard, Arsene Maillard

FR
5 records

Crimara

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

United Genetics Seeds, USA

PT
4 records

Columbia

Active

Solanum tuberosum L. · Potato

Europlant Innovation GmbH & Co. KG

DE
5 records

Creativo

Active

Solanum lycopersicum L. · Tomato

HM.Clause S.A.S.

FR
4 records

Cream Star

Terminated

Argyranthemum frutescens (L.) Sch. Bip. · Marguerite daisy

M. Schmuelling

DK
3 records

Debalto

Active

Zea mays L. · Maize

KWS SAAT SE and CO KGAA

DK
3 records

Codizol CL

Active

Helianthus annuus L. · Sunflower

CAUSSADE SEMENCES

IT
3 records

De Dorado

Active

Phaseolus vulgaris L. · Common bean

Holland-Select Research B.V.

NL
3 records

Dassel

Protection expired

Glycine max (L.) Merr. · Soybean

Minnesota Agricultural Experiment Station

IT
3 records

Declic

Protection expired

Pisum sativum L. · Pea

Danisco semences SARL (FR)

FR
4 records

Credo

Terminated

Linum usitatissimum L. · Common flax

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

IT
3 records

Corneil

Active

Avena sativa L. · Oat

LEMAIRE DEFFONTAINES S.A.S.

FR
4 records

Darsena

Active

Capsicum annuum L. · Bell pepper

Seminis Vegetable Seeds

NL
6 records

Dark Vader

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Syngenta Crop Protection AG - Zsolt Galli

NL
4 records

Darko

Active

Cucurbita pepo L. · Field pumpkin

SATIVA VIA CALCINARO 2425

IT
3 records

Cosmostar

Active

Triticum durum Desf. · Durum wheat

MAIZE RESEARCH INSTITUTE (ZEMUN POLSE)

GR
3 records

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