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.

SM 434 A

Active

Zea mays L. · Maize

Reva IAroslav Mykolaiovych

2 records

Slapukai

Terminated

Solanum lycopersicum L. var. lycopersicum · Tomato

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

1 record

Słowianin

Withdrawn

Beta vulgaris Sugar Beet Group · Sugar beet

WIELKOPOLSKA HODOWLA BURAKA CUKROWEGO SP.Z.O.O

4 records

SL48402

Active

Zea mays L. · Maize

ROBERT TAUCHER

1 record

Slonga

Terminated

Vicia faba L. · Broad bean

AGRIN MAROC

1 record

Sintra

Withdrawn

Pisum sativum L. · Pea

LOCHOW| KWS LOCHOW GMBH

1 record

Slavutych F1

Terminated

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

Zhyvuts`ka Valentyna Petrivna, Polivoda Lidiia Ivanivna, Zavertaliuk Volodymyr Filimonovych, Sydorka Viktor Oleksandrovych, Sydorka Inna Vasylivna,

2 records

Sirius

Active

Cucurbita pepo L. · Field pumpkin

Lymar Volodymyr Anatoliiovych, Kholodniak Oleh Heorhiiovych, Maidaniuk Viacheslav Oleksiiovych,

2 records

SoÄa

Terminated

Medicago sativa L. · Alfalfa

Semenarna Ljubljana d.d.

1 record

Skrzat

Terminated

Avena sativa L. · Oat

Malopolska Hodowla Roslin Spolka z o.o.

1 record

Skh Siv A

Terminated

Helianthus annuus L. · Sunflower

Shepilov Borys Petrovych, Popova Ol`ha Andriivna, Petrenkova Vira Pavlivna, Veselyi Vitalii Oleksandrovych, Kuzmyshena Nadiia Viktorivna, Syvenko Valentyna Ivanivna, Alad`ina Zoia Kyrylivna, Makliak Kateryna Mykolaivna, Kyrychenko Viktor Vasylovych,

2 records

Sigurson

Application submitted

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

Poljoprivredni Institut Osijek, HR

1 record

Sigma

Terminated

Hordeum vulgare L. · Barley

Secobra Recherches, FR

1 record

Skh 2111 A kh Kh 1002 B

Application submitted

Helianthus annuus L. · Sunflower

Shepilov Borys Petrovych, Popova Ol`ha Andriivna, Kryvosheieva Olena Vatslavivna, Veselyi Vitalii Oleksandrovych, Kuzmysheva Nadiia Viktorivna, Syvenko Valentyna Ivanivna, Alad`ina Zoia Kyrylivna, Makliak Kateryna Mykolaivna, Kyrychenko Viktor Vasylovych,

3 records

Skh 146 A

Active

Helianthus annuus L. · Sunflower

Kyrychenko, Viktor Udovichenko, Anna Kolomatska, Valeriia Makliak, Kateryna Syvenko, Valentyna Leonova, Nina

2 records

SKh 7153

Application submitted

Helianthus annuus L. · Sunflower

Parii, Iaroslav Parii, Myroslav Dejan Jovanovyh

2 records

SILAC 233

Terminated

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

LES GOURGUES-G-CARGILL

1 record

Snihova koroleva F1

Terminated

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

Chornobai Larysa Mykolaivna, Tymchuk Viktor Mykhailovych, Perezerziev IUrii Semenovych, Ponurenko Serhii Henadiiovych, Pozdniakov Volodymyr Vasyl`ovych, Movchan Dmytro Semenovych, Kurasa Petro Ivanovych, Tymchuk Serhii Mykhailovych,

2 records

Skalsa

Terminated

Daucus carota L. · Carrot

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

1 record

Siianets` Turovtsevoi

Terminated

Prunus x gondouinii (Poit. & Turpin) Rehder · Duke cherry

Shkinder-Barmina Anna Mykolaivna, Turovtsev Mykola Ivanovych, Turovtseva Valentyna Oleksandrivna,

2 records

Siyana

Terminated

Triticum aestivum L. · Bread wheat

Galya Katrandzhieva

1 record

SM Kwant

Withdrawn

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

1 record

SIRIA

Withdrawn

Phaseolus vulgaris L. · Common bean

INTERSEMILLAS

1 record

Smiena

Application submitted

Lupinus angustifolius L. · Narrow-leaf lupin

Pochutina Nataliia Oleksandrivna, Ahieieva Praskov'ia Oleksiivna,

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.