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.

Sunrise

Terminated

Sorghum Moench · Sorghum

WILHELM| Hermann-Josef Wilhelm

1 record

Sukhotsvityk

Terminated

Chrysanthemum L. · Chrysanthemum

Sholokhova Tetiana Oleksandrivna

2 records

TA23UW042

Withdrawn

Triticum aestivum L. · Bread wheat

Zaika IEvhenii Viktorovych, Khomenko Svitlana Olehivna, Labutin Artem Stanislavovych, Starychenko Vasyl Mykolaiovych,

2 records

SX-236

Terminated

Allium cepa L. · Onion

Eike Kampe

4 records

SY Stylo

Active

Zea mays L. · Maize

Syngenta Crop Protection AG

1 record

Subotivs`kyi 190 SV

Terminated

Zea mays L. · Maize

Dibrova Ivan IErofiiovych, Blaschuk Ivan Prokopovych, Khromenko Vitalii Oleksandrovych, Larchenko Kateryna Andriivna, Havryliuk Viktor Mykolaiovych, Morhun Volodymyr Vasylovych,

2 records

Sunny

Terminated

Hordeum vulgare L. · Barley

BREUN JOSEF| Josef Breun / BREUN MONIKA| Monika Breun

1 record

STUTTGARTIA

Terminated

Gladiolus L. · Gladiolus

Konynenburg & Mark BV (NL)

1 record

Strong Blood

Active

Tulipa L. · Tulip

Bolvast Exploitatie Maatschapp

1 record

Sugar Darky

Active

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

Semagri (CM)

1 record

SY Corntop

Withdrawn

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

Syngenta Participations AG

1 record

Svit Muson

Application submitted

Solanum lycopersicum L. · Tomato

Naumov Ruslan Olehovych, Krasniuk Viacheslav Anatoliiovych,

2 records

Strumochok

Active

Medicago sativa L. nothosubsp. varia (Martyn) Arcang. · Bastard Medic

Andrusiva Liudmyla Volodymyrivna, Tyshcenko Andrii Viktorovych, Vozhehova Raisa Anatoliivna, Tyshcenko Olena Dmytrivna,

2 records

/STRU 074002/

Terminated

Triticum aestivum L. · Bread wheat

Dr. Gunter Welz, Dr.Hermann Strube,

2 records

Sucorn

Withdrawn

Zea mays L. · Maize

SUDWESTSAAT GBR

1 record

SUM 0307/ZUM 0307

Terminated

Zea mays L. · Maize

Dr. K.L. Nau, Dr. P.G.Goertz,

1 record

Stine 07J22

Active

Glycine max (L.) Merr. · Soybean

Pat Grams

2 records

Suisse nain blanc hatif

Terminated

Phaseolus vulgaris L. · Common bean

Domaine Public (FR)

1 record

Stryzhavskyi Paperovyi

Terminated

Juglans regia L. · Persian walnut

Mezhenskyi Volodymyr Mykolaiovych,Kindrat Volodymyr Vasylovych,

2 records

Stepovyi

Active

Zea mays L. · Maize

Voroniuk Liudmyla Anatoliivna, Nyzheholenko Viktor Mykhailovych, Naidonov Viktor Hryhorovych, Fedko Mykola Mykolaiovych, Cherchel Vladyslav IUriiovych, Bodenko Natalia Anatoliivna, Sova Roman Serhiiovych, Marchenko Tetiana IUriivna, Hozh Oleksandr Anatoli

2 records

SVX20T1S16

Application submitted

Glycine max (L.) Merr. · Soybean

Sevita Genetics

1 record

Stella

Active

Chrysanthemum L. · Chrysanthemum

C.B.A Research B.V.

1 record

STR456

Terminated

Helianthus annuus L. · Sunflower

Seedtec International Inc (US)

1 record

ST Montblanc

Withdrawn

Beta vulgaris Sugar Beet Group · Sugar beet

STRUBE D&S GmbH, DE

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.