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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.

CWX3214

Active

Zea mays L. subsp. mays (Maize Group) · Maize

Mas Seeds S.A.S.

FR
2 records

Carmelo

Protection expired

Solanum lycopersicum L. · Tomato

Syngenta Seeds BV (NL)

ES SI
2 records

Blandine

Terminated

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

DK FR
3 records

Bender

Active

Brassica napus L. · Rapeseed

DEUTSCHE SAATVEREDELUNG AG

EE LT
2 records

Bc 572

Active

Zea mays L. · Maize

Bc Institut, HR

SI
3 records

Constanza

Terminated

Allium cepa L. var. cepa · Onion

Consorcio Los Andes (CL)

FR
2 records

Condor

Terminated

Triticum aestivum L. · Bread wheat

Unisigma GIE (FR)/Societe Europeenne de Semences NV/SA (BE)

ES FR
4 records

Comet

Protection expired

Cucumis melo L. · Melon

SAS HM Clause (FR)

ES HR
2 records

Buffalo

Terminated

Hordeum vulgare L. · Barley

Syngenta Seeds Limited (GB)

DK FR
4 records

Bc 191

Active

Zea mays L. · Maize

Bc Institut, HR

SI
3 records

Chardon LL

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

D J Van der Have BV (NL)

FR NL
3 records

Brittle beurre

Protection expired

Phaseolus vulgaris L. · Common bean

Sementi Dotto (IT)

IT SI
2 records

Celebrato

Active

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

BE
3 records

Brando

Terminated

Brassica napus L. · Rapeseed

Lantmännen SW Seed

EE LT
4 records

Bokolo

Protection expired

x Triticosecale Wittm. ex A. Camus · Triticale

Lochow-Petkus GmbH (DE)

FR HU
2 records

Bonga

Terminated

Solanum melongena L. · Eggplant

Les Graines Caillard Sa (FR)

FR NL
3 records

Bodil

Protection expired

Pisum sativum L. · Pea

R.J. MANSHOLT'S VEREDELINGSBEDRIJF B.V.

DK SE
3 records

Balkonstar

Terminated

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL
2 records

Carmen

Terminated

Solanum tuberosum L. · Potato

Kartoffelzucht Böhm GmbH & Co. KG

ES NL
2 records

Babila

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
4 records

AW 043

Protection expired

Zea mays L. · Maize

Bonastre, Jean-Bernard

BG HU
2 records

ATHENA

Terminated

Phaseolus vulgaris L. · Common bean

CLAUSE, S.A.

ES FR
2 records

Astor

Terminated

Dianthus caryophyllus L. · Carnation

RICARDO BREA E HIJOS

ES NL
2 records

Athletic

Application submitted

Pisum sativum L. · Pea

RAGT 2n, FR

DE FR
2 records

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