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.

Zannis

Application submitted

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

1 record

zd0620

Terminated

Zea mays L. · Maize

ROBERT TAUCHER

2 records

Zahadka

Terminated

Solanum tuberosum L. · Potato

Koval` Nataliia Dem'ianivna, Sobran Vasyl Mykhailovych, Zholudenko Oksana Vladyslavivna, Pylypenko Liliia Aminivna, Myts`ko Volodymyr Mykolaiovych, Vermenko IUrii IAkovych, Razkevych Mykola Pylypovych, Osypchuk Alla Andriivna, Tarasenko Oleh Oleksandrovyc

2 records

Zorianka

Terminated

Brassica juncea (L.) Czern. · Brown mustard

Shabetia Oksana Mykolaiina, Pozniak Oleksandr Vasyl`ovych, Chaban Lesia Vasylivna, Kryvets` Dmytrii Olehovych,

1 record

Zapovit MV

Terminated

Zea mays L. · Maize

Serikov Volodymyr Oleksiiovych, Sokolov V'iacheslav Mykhailovych, Bielousov Anatolii Oleksandrovych,

2 records

Zorgli

Terminated

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Christophe Angier (FR)

2 records

Zabava

Terminated

Glycine max (L.) Merr. · Soybean

Kravchenko Viktoriia Volodymyrivna, Yakubenko Olena Volodymyrivna, Chekhov Anatolii Vasyl`ovych, Hryhorchuk Nataliia Fedorivna,

2 records

Yuvileinyi

Terminated

Coriandrum sativum L. · Coriander

Kondratenko Serhii Ivanovych, Kasian Oleksandr Ivanovych, Pozniak Oleksandr Vasylovych, Chaban Lesia Vasylivna,

2 records

Zahadka

Active

Vitis vinifera L. · Common grape vine

Morhunienko Ol`ha Hryhorivna, Dylyk Antonina Petrivna, Bankovska Mariia Hryhorivna, Yarmak IEvheniia Dmytrivna, Dokuchaieva IEvheniia Mykolaivna, Meleshko Larysa Fedorivna,

2 records

Zaviia

Active

Solanum tuberosum L. · Potato

Podhaiets`kyi Anatolii Adamovych, Zelia Aurika Hryhorivna, Plotnyts`ka Ol`ha Volodymyrivna, Honcharenko Ol`ha Petrivna, Pysarenko Nataliia Vasylivna, Tymko Mykola Hryhorovych, Lysak Olena Andriivna, Andriienko Tetiana Mykhailivna, Sydorchuk Svitlana Volod

2 records

Yunha

Terminated

Zea mays L. · Maize

Kobeliev IUrii Konstiantynovych, Nemenuschyi Volodymyr Vasyl`ovych, Kryvul`ko Ruslan Oleksandrovych, Popov Serhii Petrovych, Serykov Volodymyr Oleksiiovych, Sokolov V'iacheslav Mykhailovych, Bielousov Anatolii Oleksandrovych,

2 records

Zlatoslava

Active

Glycine max (L.) Merr. · Soybean

Krentsiv IAroslava Ihorivna, Ivaniuk Serhii Vasyl`ovych, Babych Anatolii Oleksandrovych, Mostipan Tetiana Vasylivna, Savranchuk Volodymyr Viktorovych, Sukharieva Melaniia Dmytrivna, Medvedieva Liudmyla Romanivna,

2 records

Zahrava

Terminated

Barbarea vulgaris R. Br.

Dynnyk Vasyl` Polikarpovych, Boiko IEvheniia Illivna, Slisarchuk Mykola Vitaliiovych,

2 records

Р8317

Active

Zea mays L. · Maize

Benoit Revol

1 record

ЕСЗ9207

Protection expired

Zea mays L. · Maize

Laurent BETTINGER

1 record

Yukon

Withdrawn

x Triticosecale Wittm. ex A. Camus · Triticale

Nefedov IUrii Inokentiiovych, Lebedeva Halyna Danylivna, Chebakov Mykola Petrovych,

2 records

Yur'ivs`kyi

Terminated

Helianthus annuus L. · Sunflower

Tymchuk Serhii Mykhailovych, Borovs`ka Iryna IUriivna, Petrenko Vira Pavlivna, Popova Ol`ha Andriivna, Shepilov Borys Petrovych, Brahin Oleksandr Mykolaiovych, Veselyi Vitalii Oleksandrovych, Kuzmysheva Nadiia Viktorivna, Syvenko Valentyna Ivanivna, Kolom

2 records

Yovalerie

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

VANDENBERG| Cornelis P. Vandenberg

1 record

Zvenyhora

Active

Triticum aestivum L. · Bread wheat

Yakymchuk Ruslan Andriiovych, Morhun Bohdan Volodymyrovych, Skryplov Volodymyr Oleksandrovych, Morhun Volodymyr Vasylovych,

2 records

Yeroshka

Terminated

Capsicum annuum L. · Bell pepper

Boryskina Olena Borysivna, Borysov Oleksandr Volodymyrovych,

1 record

Zheran

Application submitted

Solanum tuberosum L. · Potato

Andriienko Tetiana Mykhailivna, Dems`ka Anastasiia Kyrylivna, Muzyka Lidiia Ivanivna, Popereshniuk Valentyna Mykolaivna, Sydorchuk Vasyl` Ivanovych, Lysak Olena Andriivna, Pysarenko Nataliia Vasylivna, Plotnyts`ka Ol`ha Volodymyrivna, Mel`nyk Pavlo Oleksi

1 record

Yevheliia

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Klimova Oksana IEvhenivna, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,

2 records

Zhaivir 198 MV

Terminated

Zea mays L. · Maize

Hontarovs`kyi V'iacheslav Afanasiiovych, Shevchenko Serhii Oleksandrovych, Klimova Oksana IEvhenivna, Maniatina Liudmyla Oleksandrivna, Kuprichenkova Tetiana Hryhorivna, Aldoshyn Anatolii Vasylovych, Bielikov IEvhen Illich, Dziubetskyi Borys Volodymyrovyc

1 record

Yelyk

Terminated

Triticum aestivum L. · Bread wheat

Stebliuk Mykola Illich, Chornyi Oleksandr Vasyl`ovych, Antonenko Oleksii Fedorovych,

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.