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.

SY Thunderbolt

Active

Hordeum vulgare L. · Barley

Syngenta Crop Protection AG

4 records

Sylviçi 26

Active

Cannabis sativa L. · Hemp

Chanvre Innovation (FR)

3 records

SY Koniko

Terminated

Triticum aestivum L. · Bread wheat

Syngenta Participations AG

4 records

Talent

Terminated

Festuca arundinacea Schreb. · Tall fescue

GIE de Recherche Europeenne sur les Gazons (FR)

4 records

Tauro

Active

Foeniculum vulgare Mill. · Fennel

Clause Tezier, FR

3 records

Szarvasi-54

Protection expired

Festuca pratensis Huds. · Meadow fescue

4 records

Sweet Thing

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

SC HEKTAR SEEDS SRL, Romania

4 records

Tachimasari

Active

Lolium multiflorum Lam. · Italian ryegrass

Snow Brand Seed Company

4 records

SW Forward

Terminated

Festuca pratensis Huds. · Meadow fescue

Jönsson Hans Arne

4 records

Teddy

Active

Anethum graveolens L. · Dill

Jan Draaistra

3 records

Thimea

Active

Hordeum vulgare L. · Barley

Saatzucht Donau GmbH & Co.KG

4 records

SW Barbro

Active

Hordeum vulgare L. · Barley

Gradin Lars A

4 records

Svilena

Terminated

Triticum aestivum L. · Bread wheat

A. Karaivanov, K. Kostov, I. Stoeva, A. Tsenov, I. Stoyanov, I. Iliev, S. Mihova, T. Rachinski, N. Nikolova

4 records

Tammara

Active

Capsicum annuum L. · Bell pepper

Monsanto, NL

4 records

SY Eliot

Terminated

Glycine max (L.) Merr. · Soybean

SYNGENTA SEEDS CANADA LTD

3 records

SY Dinasti

Terminated

Helianthus annuus L. · Sunflower

SYNGENTA FRANCE S.A.S.

4 records

SV3277BL

Active

Brassica oleracea L. (Broccoli Group) · Broccoli

Monsanto Vegetable IP Management B.V (NL)

3 records

SV3192ZE

Active

Allium porrum L. · Leek

VEGETABLE MONSANTO B.V.

3 records

Terrafin

Active

Cucurbita pepo L. · Field pumpkin

SAKATA SEED AMERICA INC US

3 records

SV1022QG

Active

Pisum sativum L. · Pea

VEGETABLE MONSANTO B.V.

5 records

Sw Midelo

Protection expired

x Triticosecale Wittm. ex A. Camus · Triticale

Svalof Weibull BV (NL)

4 records

T0514lg

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION

3 records

Tenia

Active

Trifolium pratense L. · Red clover

Malopolska Hodowla Roslin Spolka z o.o.

4 records

SW Godiva

Terminated

Hordeum vulgare L. · Barley

Löhde Jörgen

4 records

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Variety traits

Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845
Winter hardiness 27 261

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.