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.

Bosco

Active

Cucumis sativus L. · Cucumber

Nunhems, NL

6 records

Burney

Active

Brassica oleracea L. (Broccoli Group) · Broccoli

Bejo Zaden, NL

5 records

Castelle

Active

Festuca pratensis Huds. · Meadow fescue

RAGT 2n, FR

6 records

Caracas

Active

Daucus carota L. · Carrot

BEJO ZADEN

7 records

Boncap

Terminated

Triticum aestivum L. · Bread wheat

Lemaire-Deffontaines

5 records

Capnor

Active

Glycine max (L.) Merr. · Soybean

Lidea France S.A.S

5 records

Calapooia

Active

Festuca rubra L. · Red fescue

Radix Research

4 records

Bonfire

Active

Secale cereale L. · Rye

Lammers Seed Options B.V.

8 records

Bermello

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

7 records

Blondine

Active

Solanum tuberosum L. · Potato

CECAB (FR)/Bretagne-plants (FR)

6 records

BLOMG01

Active

Vitis vinifera L. · Common grape vine

JUAN CARREÑO ESPIN

4 records

BG Tenzia

Active

Triticum aestivum L. · Bread wheat

Biogranum, Novi Sad

4 records

Brillante

Active

Cucurbita pepo L. · Field pumpkin

SEMILLAS FITO, S.A.

4 records

Bigbang

Active

Lolium multiflorum Lam. · Italian ryegrass

RAGT 2N S.A.S

5 records

Belami

Active

Solanum tuberosum L. · Potato

Station de Recherche du ComitÚ Nord

7 records

Berserk

Protection expired

Triticum aestivum L. · Bread wheat

Graminor AS, N-2322 Ridabu

5 records

Boisseau

Protection expired

Triticum aestivum L. · Bread wheat

Saaten Union Recherche (FR)

5 records

Bogatka

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

7 records

Balumhopi

Active

Antirrhinum majus L. · Snapdragon

Trees Scott C

4 records

Bastia

Active

Daucus carota L. · Carrot

BEJO ZADEN

4 records

Biarritz

Terminated

Lolium perenne L. · Perennial ryegrass

DLF SEEDS A/S

4 records

Barsunny

Active

Lolium perenne L. · Perennial ryegrass

Barenbrug Holland BV (NL)

4 records

BH22Q201

Active

Glycine max (L.) Merr. · Soybean

PEDRO GONZALEZ-PORTILLA

5 records

Backgammon

Terminated

Pisum sativum L. · Pea

SAS FLORIMOND DESPREZ VEUVE and FILS

5 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.