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 Sejny

Withdrawn

Zea mays L. · Maize

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

1 record

Sprint II

Terminated

Sorghum bicolor (L.) Moench · Sorghum

Karanda Tetiana Mykolaivna, Liashok Petro Hryhorovych, Barbaruk Valentyna Tadeushivna, Piter Bohdan Chykaliuk, Larri Richardson,

1 record

Smolimag

Terminated

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

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

2 records

SM Lazar

Active

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

1 record

SMG0267

Active

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

1 record

Skiba

Withdrawn

Festuca arundinacea Schreb. · Tall fescue

Hodowla Buraka Pastewnego Skarbu Panstwa w Krakowie

2 records

Slavna

Active

Glycine max (L.) Merr. · Soybean

Shtuts Tetiana, Temchenko Inna, Petrychenko Vasyl

2 records

Skh 772 A

Active

Helianthus annuus L. · Sunflower

Instytut roslynnytstva im. V.IA. Yur'ieva Natsionalnoi akademii ahrarnykh nauk Ukrainy

2 records

Sirola

Active

Hippophae L. · Sea-buckthorn

Hans Joachim Albrecht

1 record

Snizhana

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Ditrikh Khauer, Volfhanh Mekhelke, Rudolf IAnzen,

1 record

Snihova koroleva

Protection expired

Brassica napus L. · Rapeseed

Sytnik Ihor Danylovych

2 records

Sky Lark

Active

Cucurbita moschata Duchesne · Butternut squash

LARK SEEDS INTERNATIONAL, USA

1 record

Sonahro

Terminated

Helianthus annuus L. · Sunflower

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

2 records

SMARAHD

Active

Cucurbita pepo L. · Field pumpkin

Vovk Zhanna Mykolaivna

2 records

Sioux

Terminated

Lactuca sativa L. var. capitata L. · Head lettuce

URSEL SCHLEMMER SPRINGMANN

1 record

SM Orient

Active

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

1 record

SK455MS

Terminated

Zea mays L. · Maize

Claude Tabel

4 records

SMC0470

Active

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

1 record

SLICE

Withdrawn

Cucumis sativus L. · Cucumber

INTERSEMILLAS SAU

1 record

Skarbnytsia

Active

Solanum tuberosum L. · Potato

Mel`nyk Pavlo Oleksiiovych, Razkevych Mykola Pylypovych, Sobran Vasyl Mykhailovych, Ostrenko Mykhailo Volodymyrovych, Taktaiev Borys Anatoliiovych, Osypchuk Alla Andriivna, Nazar Stefaniia Hryhorivna, Osypchuk Andrii Antonovych,

2 records

Slavy F1

Terminated

Capsicum annuum L. · Bell pepper

Jan Prasil

1 record

Slavutych

Terminated

Camelina sativa (L.) Crantz · Camelina

Budilka Hanna Illivna, Chekhov Anatolii Vasyl`ovych, Vynovets` Volodymyr Hryhorovych, Komarova Iryna Borysivna, Rozhkovan Valentyn Vasyl`ovych,

2 records

Spalter Select

Terminated

Humulus lupulus L. · Common hop

GMELCH| Franz Gmelch / EHRMAIER| Herbert Ehrmaier

1 record

Spadok

Terminated

Pisum sativum L. · Pea

Scherbatiuk Ruslan Viktorovych, Holubov IEvhen Oleksiiovych, Khareba Volodymyr Vasylovych, Malenko Anatolii Mykolaiovych, Pozniak Oleksandr Vasyl`ovych, Verba Hryhorii Stepanovych, Kryvets` Dmytrii Olehovych,

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.