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.

Klaus

Active

Helianthus annuus L. · Sunflower

Kalinichenko Artem Oleksandrovych

2 records

KKWS Triton

Active

Sorghum bicolor (L.) Moench · Sorghum

KWS SAAT SE & CO.KGAA

1 record

Kampong

Active

Lilium L. · Lily

De Jong Beheer B.V.

1 record

Kibo

Active

Solanum lycopersicum L. · Tomato

Shevchenko Ihor Andriiovych

2 records

Jazz

Active

Triticum aestivum L. · Bread wheat

SARL ADRIEN MOMONT ET FILS, FR

1 record

Kheppi Men

Active

Cucurbita pepo L. · Field pumpkin

Naumov Ruslan Olehovych, Krasniuk Viacheslav Anatoliiovych,

2 records

Kalcyt

Terminated

Solanum lycopersicum L. · Tomato

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

1 record

Kingsford

Application submitted

Vicia villosa Roth · Hairy vetch

South Australian Research and Development Institute (Sardi)

1 record

Khudozhnyk

Terminated

Solanum lycopersicum L. · Tomato

Nadtochyi Liudmyla IUriivna, Yarovyi Hryhorii Ivanovych, Semenenko Ivan Ivanovych, Kostromitin Volodymyr Anatol`ovych, Kuz`omens`kyi Oleksandr Volodymyrovych,

2 records

KhS 101 zM

Terminated

Zea mays L. · Maize

Serikov Ihor Volodymyrovych, Pashaiev Eldaniz Fazil ohly, Dadvani Heorhii Ivanovych, Khadzhyohlo Savelii Heorhiiovych,

2 records

Kharkivs`ka 2 ZM

Terminated

Zea mays L. · Maize

Ivleva Tetiana Volodymyrivna, Derkach Iryna Borysivna, Ponurenko Serhii Hennadiiovych, Muzafarov Nail Miniiarovych, Sikalova Olena Valentynivna, Barsukov Ihor Petrovych, Chernobai Larysa Mykolaivna, Kozubenko Leonid Vasyl`ovych,

2 records

Kharkivs`ka 164 MV

Active

Zea mays L. · Maize

Barsukov Ihor Petrovych, Ivleva Tetiana Volodymyrivna, Kamyshan Taisiia Petrivna, Chupikov Mykola Mykhailovych, Kozubenko Leonyd Vasyl`ovych,

2 records

KhN 3816

Active

Zea mays L. · Maize

Naidonov Viktor Hryhorovych, Zabara Pavlo Petrovych, Marchenko Tetiana IUriivna, Lavrynenko IUrii Oleksandrovych, Vozhehova Raisa Anatoliivna,

2 records

Kharkivs`ka 126 M

Terminated

Zea mays L. · Maize

Ivleva Tetiana Volodymyrivna, Barsukov Ihor Petrovych, Kamyshan Taisiia Petrivna, Chupikov Mykola Mykhailovych, Kozubenko Leonyd Vasyl`ovych,

2 records

Jardinor

Terminated

Solanum tuberosum L. · Potato

Station de Recherche du Comite Nord (FR)

2 records

Khloe

Application submitted

Solanum tuberosum L. · Potato

Kuipers Potato V.O.F.

2 records

Jutzenka

Application submitted

Raphanus sativus L. var. sativus · Radish

Horodets`ka El`zhbeta

2 records

Kh 1008 B

Terminated

Helianthus annuus L. · Sunflower

Kryvosheieva Olena Vatslavivna, Brahin Oleksandr Mykolaiovych, Veselyi Vitalii Oleksandrovych, Kuzmyshena Nadiia Viktorivna, Syvenko Valentyna Ivanivna, Alad`ina Zoia Kyrylivna, Makliak Kateryna Mykolaivna, Kyrychenko Viktor Vasylovych,

2 records

Kharkivska 674 MV

Terminated

Zea mays L. · Maize

Ortman Olena IEvheniivna, Kuzmyshyna Nataliia Vasylivna, Derkach Iryna Borysivna, Ponurenko Serhii Hennadiiovych, Muzafarov Nail Miniiarovych, Sikalova Olena Valentynivna, Barsukov Ihor Petrovych, Chernobai Larysa Mykolaivna, Kozubenko Leonid Vasyl`ovych,

2 records

JANDILLA

Application submitted

Capsicum annuum L. · Bell pepper

RAMIRO ARNEDO, S.A.

1 record

Kharkivs`ka 404 MV

Terminated

Zea mays L. · Maize

Ivleva Tetiana Volodymyrivna, Barsukov Ihor Petrovych, Sikalova Olena Valentynivna, Kamyshan Taisiia Petrivna, Kozubenko Leonid Vasyl`ovych,

2 records

Kharkivs`ka 126 ZM

Terminated

Zea mays L. · Maize

Ovsiannikova Nataliia Stanislavivna, Ponurenko Serhii Hennadiiovych, Sikalova Olena Valentynivna, Chernobai Larysa Mykolaivna, Ivleva Tetiana Volodymyrivna, Barsukov Ihor Petrovych, Kozubenko Leonid Vasyl`ovych,

2 records

James C

Active

Diospyros virginiana L. · American Persimmon

STANICA FLORINJERRY LEHMANMIHAI COSMIN ALEXANDRUTEODORESCU RAZVAN IONUT

2 records

Kh466MV

Active

Zea mays L. · Maize

Lashyna Mariia Volodymyrivna, Lavrynenko IUrii Oleksandrovych, Netreba Olesandr Oleksandrovych, Turovets` Viktor Mykhailovych, Pol`s`kyi Viktor IAkovych,

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.