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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.

GWIX1660S

Active

Zea mays L. · Maize

PETER KONCZOL

UA
2 records

Bahnet

Active

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

Nahorniak Mykhailo Mykolaiovych

UA
4 records

Alfresco

Withdrawn

Cucurbita pepo L. · Field pumpkin

TOZER SEEDS LTD

NL
2 records

EZ5437

Application submitted

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
1 record

ET2959

Application submitted

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
1 record

EZ4064

Application submitted

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
1 record

DN Eirena

Active

Zea mays L. · Maize

Satarova Tetiana Mykolaivna, Kulyk Viktor Oleksandrovych, Kyrpa Mykola IAkovych, Nehoda Tetiana Volodymyrivna, Olizko Oleksii Petrovych, Abelmasov Oleksii Viktorovych, Haidash Oleksandr Leonidovych, Bodenko Natalia Anatoliivna, Cherchel Vladyslav IUriiovy

UA
2 records

Arhument MAS

Terminated

Zea mays L. · Maize

Baranovs`ka Violeta Leonidivna, Khil`chenko Serhii Viktorovych, Slobodian Roman Petrovych, Serikov Volodymyr Oleksiiovych, Sokolov Viacheslav Mykhailovych, Bielousov Anatolii Oleksandrovych,

UA
2 records

Copernic

Withdrawn

Hordeum vulgare L. · Barley

Syngenta Seeds Limited (GB)

FR
1 record

Demar - DK 524

Active

Zea mays L. · Maize

Dekalb Genetics Corporation

IT
2 records

Ceralie

Active

Cichorium intybus L. · Chicory

Hoquet Graines (FR)/Centre Technique Interprofessionnel des Fruits & Legumes (FR)/Association des Producteurs d'Endives de France (FR)

FR
2 records

Rias

Active

Phaseolus vulgaris L. · Common bean

Gebr. Bakker Zaadteelt & Zaadhandel B.V.

2 records

Brigit Dream

Active

Tulipa L. · Tulip

Tulip Flower B.V.

NL
1 record

BX19S023

Active

Zea mays L. · Maize

Ludwig Fieldmeier

UA
1 record

SONRISA 25

Withdrawn

Prunus salicina Lindl. · Japanese plum

Plantas de Navarra S.A.

2 records

Vigros

Withdrawn

Pistacia atlantica x Pistacia vera

Rafael Navajas Pérez^^^Roberto de la Herrán Moreno^^^Francisca Robles Rodríguez^^^Carmelo Ruiz Rejón^^^Pedro J. Sola Campoy

1 record

Mgc 1006

Terminated

Cannabis sativa L. · Hemp

MARCEL DE WIT

3 records

Azur

Terminated

Triticum aestivum L. · Bread wheat

Saaten Union Recherche (FR)

FR
3 records

Astor

Withdrawn

Lolium perenne L. · Perennial ryegrass

Zelder BV (NL)

FR
1 record

Selina

Terminated

Zantedeschia Spreng. · Arum-lily

Zantedeschiagroep Trendflor V.O.F.

1 record

Alma Adamkienė

Terminated

Lophospermum scandens D. Don · Creeping gloxinia

Aleksandro Stulginskio universitetas

LT
1 record

Palomina

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

2 records

Wimbledon

Terminated

Lilium L. · Lily

Licentie Instituut Nederland (L.I.N.) C.V.

1 record

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