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.

T2003

Terminated

Triticum aestivum L. · Bread wheat

CSIC/UPM/IRTA

2 records

Tanos

Active

Helianthus annuus L. · Sunflower

Karpenko Oleksandr Oleksandrovych

2 records

Tannessee 90 Kat

Withdrawn

Nicotiana tabacum L. · Tobacco

Centralne Laboratorium Przemyslu Tytoniowego

1 record

Tamaris F1

Terminated

Solanum lycopersicum L. · Tomato

Jean Clause Mercier

2 records

Szegedi 269

Withdrawn

Zea mays L. · Maize

Gabonatermes. Kut. KHT (HU)

1 record

Terra Cotta F1

Active

Solanum lycopersicum L. · Tomato

Sylvain Bontems

1 record

TANJA

Withdrawn

Solanum tuberosum L. · Potato

Geertsema Zaden BV (NL)

1 record

Tivoli

Withdrawn

Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy

Piet Schreurs B.V. Gerbera Culturen

1 record

Talisman F1

Terminated

Capsicum annuum L. · Bell pepper

Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,

1 record

Tamino

Withdrawn

Cichorium intybus L. (Industrial Chicory Group) · Chicory

COSUCRA-GROUP WARCOING S.A. - CHICOLINE

1 record

Tenderette

Terminated

Phaseolus vulgaris L. · Common bean

CHARTER (VOIR 9820) (FR)

1 record

Time out

Withdrawn

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

Ing. Piet Lammers

2 records

Tempo

Protection expired

Triticum aestivum L. · Bread wheat

Sogroup (FR)

1 record

TEMPLAR

Terminated

Triticum aestivum L. · Bread wheat

PLANT BREEDING INTERNATIONAL CAMBRIDGE

2 records

SY ATLET CLP

Terminated

Helianthus annuus L. · Sunflower

Bertrand Haquin

1 record

Tema 2000

Withdrawn

Cynara cardunculus L. · Cardoon

MASTROMONACO PIETRO

1 record

T-57

Terminated

Helianthus annuus L. · Sunflower

Scherban` Natal`ia Fedorivna, Scherban` Serhii Vasyl`ovych,

1 record

Telestar F1

Terminated

Capsicum annuum L. · Bell pepper

Moshe Zalsman

2 records

Taverna

Active

Glycine max (L.) Merr. · Soybean

Mursakaiev El`dar Shamil`ovych, Molodchenkova Olha Olehivna, Bushulian Oleh Volodymyrovych, Hanzhelo Olha Ivanivna, Lavrova Halyna Dmytrivna, Sichkar Viacheslav Ivanovych,

2 records

TEKh2721

Active

Solanum lycopersicum L. · Tomato

Kazuyuki Tanaka

2 records

Sweet Six BMR

Application submitted

Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass

GAYLAND WARD SEED CO. INC.

1 record

Szomolyai kemeny 184

Terminated

Prunus avium (L.) L. · Sweet cherry

Brozik Sandor / Apostol Janosne

1 record

Sweet Delight

Withdrawn

Sorghum bicolor (L.) Moench · Sorghum

RICHARDSON SEEDS

1 record

Sze TC 259

Terminated

Zea mays L. · Maize

Devenyi Karolyne / Fotos Janos / Gyulavari Oszkar / Nemeth Janos / Kiss Zoltanne / Torma Istvan

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.