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.

SPCDW1505

Active

Vanda Jones ex R. Br. · Vanda

Thumrong Suphachadiwong

1 record

Soltan

Active

Helianthus annuus L. · Sunflower

Hyskie Ivan Mykolaiovych, Bohdan Ihor` Vyktorovych,

2 records

Spas

Active

Solanum tuberosum L. · Potato

Pryvatne aktsionerne tovarystvo naukovo-vyrobnyche ob’iednannia «Chernihivelitkartoplia»

2 records

Solokha

Active

Solanum tuberosum L. · Potato

Boreiko Oksana Olehivna, Sidakova Oksana Vladyslavivna, Kupriianova Tetiana Mykolaivna, Kyrylishyn Vasyl` Vasyl`ovych, Zakharchuk Nataliia Anatoliivna, Zelia Avreliia Heorhiivna, Furdyha Mykola Mykolaiovych, Bondarchuk Anatolii Andriiovych,

2 records

SPAN

Terminated

Brassica napus var. napus · Rapeseed

Ministry of Agriculture

1 record

Soleiado RZ

Terminated

Cichorium endivia L. · Endive

Rijk Zwaan Zaadteelt en Zaadhandel B.V. (NL)

1 record

Sonia

Active

Glycine max (L.) Merr. · Soybean

AGENZIA REGIONALE PER LO SVILUPPO RURALE (ERSA)

1 record

Sprinter

Active

Avena strigosa Schreb. · Black oat

Jouffray-Drillaud SA (FR)

1 record

SPRING FAVOR

Withdrawn

Raphanus sativus L. var. sativus · Radish

NONGWOO BIO CO.LTD

1 record

SO1290

Active

Triticum aestivum L. · Bread wheat

CAUSSADE SEMENCES

1 record

Sport

Protection expired

Phleum nodosum L. · Small-leaf timothy

Vilmorin SA (FR)

1 record

Stine 20F26

Terminated

Glycine max (L.) Merr. · Soybean

Pat Grams

2 records

Stine 13J23

Terminated

Glycine max (L.) Merr. · Soybean

Justin Mason

2 records

Stine 09I36

Terminated

Glycine max (L.) Merr. · Soybean

Pat Grams

2 records

SONORA

Withdrawn

Cucumis sativus L. · Cucumber

NUNZA BV

1 record

Soczysta ISK

Terminated

Prunus persica (L.) Batsch · Peach

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

1 record

Spike

Terminated

Cucumis sativus L. · Cucumber

Harel Belotserkovsky

1 record

SONET

Active

Citrus reticulata Blanco · Mandarin orange

AGRICULTURAL RESEARCH COUNCIL

1 record

SOL

Active

Capsicum annuum L. · Bell pepper

HAZERA GENETICS

1 record

Snezka

Active

Raphanus sativus L. var. sativus · Radish

Henrikh IUst

2 records

SN 215

Withdrawn

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

Nickerson SA (FR)

1 record

Solokha

Terminated

Triticum aestivum L. · Bread wheat

Artemchuk Iryna Petrivna, Morhun Volodymyr Vasylovych,

2 records

Smotrych MV

Terminated

Zea mays L. · Maize

Savchuk Liudmyla Fedorivna, Matseiko Ivan Ivanovych, Hopchak Tetiana Mykolaivna, Sen Oleksandr Vitaliiovych, Dudka Oleksandr Stepanovych, Sytnychenko Vira Petrivna, Perevertun Larysa Ivanivna, Hodz` Mykola Vasyl`ovych, Zaika Stanislav Polikarpovych,

2 records

Souvignier Gris

Active

Vitis vinifera L. · Common grape vine

Dr. Norbert Becker im Staatl. Weinbauinstitut

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.