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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.

Symphony

Active

Cynara cardunculus L. · Cardoon

NUNHEMS SPAIN S.A.

NL
15 records

PremA17

Active

Malus domestica (Suckow) Borkh. · Apple

White Allan

FR
14 records

Maluma

Active

Persea americana Mill. · Avocado

Mr AG Joubert,

10 records

Bastille

Active

Chenopodium quinoa Willd. · Quinoa

STICHTING WAGENINGEN RESEARCH-WAGENINGEN PLANT RESEARCH

11 records

Delfin

Active

Avena sativa L. · Oat

Nordsaat Saatzucht GmbH, D-38895 Langenstein, OT Bohnshausen

DE DK EE IE LT LU +1
12 records

Sofru

Active

Triticum aestivum L. · Bread wheat

Pierre GARRAUD

FR HR HU IT UA
16 records

Memori CS

Active

Brassica napus var. napus · Rapeseed

Pierre GARRAUD

CZ DE FR PL UA
13 records

Amphor

Active

Glycine max (L.) Merr. · Soybean

Rustica Prograin Genetique SA (FR)

AT FR HR HU IT UA
14 records

Ajaxx

Active

Zea mays L. · Maize

RAGT 2N S.A.S

BE DE DK IT LT UA
14 records

Anapurna

Active

Triticum aestivum L. · Bread wheat

Nickerson International Research SNC, F

BG FR HU IT RO
16 records

Kornelija

Active

Hordeum vulgare L. · Barley

Institute of Agricultural Resources and Economics, Stende Research Centre, "Dizzemes", Dizstende

EE FI LT LV PL
12 records

Fushia CL

Active

Helianthus annuus L. · Sunflower

LIDEA FRANCE SAS

BG RO SK UA
13 records

ES Pallador

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

FR HU IT UA
15 records

RGT Wollf

Active

Helianthus annuus L. · Sunflower

Ragt 2n, F

AT IT UA
12 records

P64he133

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION

AT IT SK UA
14 records

Lakritz

Active

Brassica napus var. napus · Rapeseed

STELLING DIETER / FRAUEN MARTIN

CZ DE DK FI PL
12 records

Phoenix CL

Active

Brassica napus L. · Rapeseed

Dieter Stelling, Carsten Oertel, Detlef Hauska,

BG EE HU LT RO SK +1
9 records

Arkansas

Active

Brassica napus var. napus · Rapeseed

Reinhard Hemker

CZ DE DK FR PL UA
15 records

PR38N86

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

AT BG HU IT SI SK +1
13 records

Pegassos

Active

Triticum aestivum L. · Bread wheat

Strube Saatzucht (DE)

AT FR LT PL SI SK
13 records

Sito

Active

Sinapis alba L. · White mustard

KWS SAAT SE&CO.KGaA, DE

CZ DE FR HR HU SI +1
12 records

Tricolor

Protection expired

x Triticosecale Wittm. ex A. Camus · Triticale

SAS Florimond Desprez Veuve et Fils (FR)

AT CZ DE DK FR HU +1
13 records

Superstar

Protection expired

Solanum tuberosum L. · Potato

UNICOPA/CLAUSE

BE DE DK ES FR IE +1
10 records

Lg Arecibo

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe SA (FR)

BG FR HR HU IT RO
13 records

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