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.

Cebeco 9911

Withdrawn

Zea mays L. · Maize

INNOSEEDS

1 record

CE 302

Withdrawn

Helianthus annuus L. · Sunflower

CECOSA

1 record

Chuchupaka

Active

Diospyros kaki L. f. · Persimmon

Derev'ianko Nataliia Vasylivna, Dudchenko Volodymyr Viktorovych, Svyrydovskyi Valerii Mykolaiovych, Derev'ianko Vasyl Mykolaiovych,

4 records

Cherkaskyi 227 MV

Active

Zea mays L. · Maize

Vynohradova Oksana Mykolaivna, Lytus Mykola Volodymyrovych, Blaschuk Mykhailo Ivanovych, Ponomarenko Halyna Ivanivna, Havryliuk Viktor Mykolaiovych, Morhun Volodymyr Vasylovych,

2 records

Chemin

Active

Solanum lycopersicum L. · Tomato

VILMORIN-ANDRIEUX (FR)

1 record

Cooler

Terminated

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

Syngenta Crop Protection AG

1 record

Caty

Terminated

Pisum sativum L. · Pea

Clause Semences SA (FR)

2 records

ChK 93 MV

Application submitted

Zea mays L. · Maize

Khromenko Vitalii Oleksandrovych, Havryliuk Viktor Mykolaiovych, Larchenko Kateryna Andriivna, Morhun Volodymyr Vasylovych,

2 records

Charunka

Active

Solanum tuberosum L. · Potato

Zelia Aureliia Heorhiivna, Bondarchuk Anatolii Andriiovych, Kozun` Ihor Ivanovych, Tymko Liudmyla Volodymyrivna, Pysarenko Nataliia Vasylivna, Lysak Olena Andriivna, Andriienko Tetiana Mykhailivna, Tymko Mykola Hryhorovych, Sydorchuk Vasyl Ivanovych,

2 records

Chistera

Active

Hordeum vulgare L. · Barley

Secobra Recherches, FR

1 record

Cosima

Terminated

Raphanus sativus L. var. oleiformis Pers. · Oil radish

FRAUEN| Dr. Martin Frauen in Fa. Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. / ENDERLEIN| Dr. Heinrich Enderlein

2 records

CONCURENT

Terminated

Solanum tuberosum L. · Potato

Ropta ZPC (NL)

1 record

Cortez

Terminated

Triticum aestivum L. subsp. aestivum · Bread wheat

MESKEN| Ir. Mannes Mesken

2 records

CONCHITA

Active

Gossypium hirsutum L. · Upland cotton

J.ANDALUCIA/INIA

2 records

Chibik

Application submitted

Linum usitatissimum L. · Common flax

Sytnik Ihor Danylovych

4 records

Charivnyk

Application submitted

Prunus persica (L.) Batsch · Peach

Klochko Nataliia Mykolaivna

1 record

Concadoro

Active

Triticum L. · Wheat

CALCAGNO FORTUNATO

1 record

Compagnon

Terminated

Solanum tuberosum L. · Potato

Veenkoloniale Boeren Bond (NL)

2 records

Champtal

Terminated

Triticum aestivum L. · Bread wheat

Ets Claude Camille Benoist SA (FR)

2 records

Charly

Application submitted

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

1 record

Cezar

Active

Amaranthus L. · Amaranth

VINATORU COSTELZAMFIR BIANCA

2 records

César CB

Terminated

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

CIBA GEIGY SA (CH) (CH)

1 record

Certa

Protection expired

Hordeum vulgare L. · Barley

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

2 records

CARGILL 971

Terminated

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

LES GOURGUES-G-CARGILL

1 record

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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.