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.

TOLEDO 61

Terminated

Helianthus annuus L. · Sunflower

CECOSA

1 record

UNI3414

Active

Zea mays L. · Maize

Eric Rvan

2 records

Trubizh SV

Terminated

Zea mays L. · Maize

Filimonov Volodymyr Vasyl`ovych, Kozhemiakina Nataliia Volodymyrivna, Anokhina IUliia Stanislavivna, Matseiko Ivan Ivanovych, Savchuk Liudmyla Fedorivna, Hopchak Tetiana Mykolaivna, Sytnychenko Vira Petrivna, Sen Oleksandr Vitaliiovych, Hodz` Mykola Vasyl

2 records

UNI2910

Active

Zea mays L. · Maize

Erik Rayn

2 records

Topstar

Terminated

Helianthus tuberosus L. · Jerusalem artichoke

Dipl.agrarbiol. Siegfried Schittenhelm im Institut für Pflanzenbau und Pflanzenzüchtung der FAL

1 record

Tinos

Terminated

Vicia faba L. var. equina St.-Amans · Horse bean

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

1 record

Top Spring

Active

Allium cepa L. · Onion

MARALDI DANIELE

1 record

Tinekus

Application submitted

Spinacia oleracea L. · Spinach

Tineke Alberts

1 record

Tokyo Kuro

Active

Allium fistulosum L. · Welsh onion

Vilmorin-Mikado

1 record

Titanel

Active

Hordeum vulgare L. · Barley

Secobra Recherches, FR

1 record

UH 306

Terminated

Zea mays L. · Maize

Prof. Dr. A. E. Melchinger / INAKTIV Versuchsstation für Pflanzenzüchtung Eckartsweier Herrn Dr. Wolfgang Schipprack

1 record

Triofin

Terminated

Pisum sativum L. · Pea

Royal Sluis Vegetables BV (NL)

1 record

UH277

Active

Zea mays L. · Maize

Osadchyi Serhii Stepanovych, Khromenko Vitalii Oleksandrovych, Kalinchuk Oleh Ivanovych, Tereshcuk Serhii Mykolaiovych,

2 records

TIRANA

Active

Pisum sativum L. · Pea

Diego Rubiales Olmedo/Ana Moral Jiménez/Mª José González Bernal/Sara Fonvevilla Aparicio

1 record

Tressalier

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

1 record

Tibor

Active

Phleum nodosum L. · Small-leaf timothy

ADVANTA SEEDS

1 record

Tremie(+)

Withdrawn

Triticum L. · Wheat

GIE Serasem

1 record

THYRA

Terminated

Chrysanthemum L. · Chrysanthemum

HARALD RASMUSSEN

1 record

Tokyo Silky Sweet

Active

Brassica rapa L. var. rapa (L.) Thell. · Turnip

TOKITA Sementi Italia srl

1 record

Tybalt / Tiubalt

Terminated

Triticum aestivum L. · Bread wheat

Bertrand Schuling

2 records

TXS 113

Terminated

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

Pfizer Genetics

1 record

TFC3767A

Terminated

Helianthus annuus L. · Sunflower

Joel Meunier

2 records

Timpa

Terminated

Solanum lycopersicum L. · Tomato

Vilmorin SA (FR)

2 records

TFC2903.TFC2924

Withdrawn

Helianthus annuus L. · Sunflower

Joel Meunier

2 records

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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.