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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.

TFI3540

Active

Helianthus annuus L. · Sunflower

Joel Meunier

UA
2 records

TEQUILA

Application submitted

Cucumis melo L. · Melon

MERIDIEM SEEDS S.L.

ES
1 record

Tenten

Application submitted

Solanum lycopersicum L. · Tomato

Southern Seed s.r.l (IT)

BG
1 record

Tirpenia

Application submitted

Solanum melongena L. · Eggplant

Rene Khenkuet

UA
2 records

Tervy

Active

Zea mays L. · Maize

Filimonov Volodymyr Volodymyrovych, Darmohrai Serhii Ivanovych, Franchuk Roman Ivanovych, Datsenko Anatolii Mykhailovych,

UA
2 records

TERRA MERCI

Terminated

Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy

Terra Nigra BV (NL)

FR
1 record

TANORI 71

Withdrawn

Triticum aestivum L. · Bread wheat

MAHISSA

ES
1 record

TIETAR BT

Terminated

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

ASGROW SEED CO

ES
1 record

Taras

Terminated

Cucurbita pepo L. · Field pumpkin

Daniel Gabillard

UA
1 record

Tichjulana

Terminated

Castanea sativa Mill. · Sweet chestnut

INCONNU (FR)

FR
1 record

TFH4746A

Terminated

Helianthus annuus L. · Sunflower

Joel Meunier

UA
2 records

TFC3780A

Active

Helianthus annuus L. · Sunflower

FOURNEAU Michael

UA
2 records

Teytum

Active

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

Innova Seeds Co.

UA
1 record

Talika

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

NL
1 record

Tasman

Active

Lilium L. · Lily

G.A. Verdegaal en Zn. Export B.V.

NL
1 record

TFI3541

Active

Helianthus annuus L. · Sunflower

Joel Meunier

UA
2 records

TE Y 101R

Withdrawn

Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum

TAYLOR EVANS

ES
1 record

TEXAS YELLOW GRANO

Withdrawn

Allium cepa L. var. cepa · Onion

SEMINIS VEGETABLE SEED IB

ES
2 records

TARREGA

Active

Hordeum vulgare L. · Barley

SEMILLAS BATLLE S.A.

GR
1 record

Tarllac

Withdrawn

Helianthus annuus L. · Sunflower

R 2n (FR)

FR
1 record

Tersomka

Terminated

Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy

Terra Nigra Holding b.v

PL
1 record

Tapiau 3

Terminated

Populus L. · Poplar

FORSCHUNGSINSTITUT| Foerderverein fuer nachwachsende Rohstoffe e.V. Forschungsinstitut fuer schnell- wachsende Baumarten

DE
1 record

Tesa

Terminated

Sorghum bicolor (L.) Moench · Sorghum

DEUTSCHE SAAT| Deutsche Saatveredelung AG

DE
1 record

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