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.

RAM 1033

Active

Zea mays L. · Maize

Rysin Leonid Mykhailovych

3 records

PS Lubica

Active

Triticum aestivum subsp. aestivum x Triticum aestivum subsp. spelta

Národné Polnohospodárske a Potravinárske Centrum (NPPC)

2 records

Principe

Active

Cicer arietinum L. · Chickpea

CRINO' PAOLA / IAIANI MARCELLO / SACCARDO FRANCO

3 records

PR34B39

Active

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

Pioneer Hi-Bred International Inc (US)

2 records

PR849F

Active

Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum

Pioneer Hi-Bred International Inc (US)

2 records

PR34N43

Protection expired

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

Pioneer Hi-bred International Inc. (USA)

2 records

PR33A46

Terminated

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

Pioneer Hi-Bred Int., INC. (USA)

2 records

Persona

Active

Triticum aestivum L. · Bread wheat

Poznanska Hodowla Roslin Sp. z o.o

4 records

P1547

Active

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

PIONEER HI-BRED INT.INC/PIONEER OVERSEAS CORP.

2 records

Pelasgia

Protection expired

Lens culinaris Medik. · Lentil

HAO-DEMETER-Fodder Crops and Pastures Institute

3 records

Opty

Protection expired

Pisum sativum L. · Pea

SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.

2 records

P9900

Protection expired

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

Pioneer Hi-Bred International Inc (US)

2 records

Orzhytsia 237 MV

Active

Zea mays L. · Maize

Hanhur Volodymyr Vasyl`ovych, Bodenko Natalia Anatoliivna, Mel`nychuk Ol`ha Serhiivna, Koval` Oleksandr Mykolaiovych, Voskoboinyk Oleksandr Vasyl`ovych, Hlushko Vasyl` Vasyl`ovych, Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Bory

3 records

P9127

Active

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

PIONEER OVERSEAS CORPORATION US

2 records

Ossk 574

Protection expired

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

Poljoprivredni Institut Osijek, HR

2 records

NS H 8001

Active

Helianthus annuus L. · Sunflower

Terzic Sreten, Radeka Ilija, Jockovic Milan, Cvejic Sandra, Jocic Sinisa,

3 records

NS H 7258

Active

Helianthus annuus L. · Sunflower

Dusanic Nenad, Miklic Vladimir, Miladinovic Dragana, Cvejic Sandra, Jocic Sinisa,

3 records

NS H 6342

Active

Helianthus annuus L. · Sunflower

Dusanic Nenad, Miklic Vladimir, Malidza Goran, Cvejic Sandra, Jocic Sinisa,

3 records

NS 3030

Active

Zea mays L. · Maize

Stojakovic Milisav, Ivanovic Mile,

3 records

NS 2642

Active

Zea mays L. · Maize

Purar Bozhana, Nastasich Aleksandra, Bekavats Horan, Yotskovich Dzhordzhe, Stoiakovich Milislav,

3 records

NS H 7634

Active

Helianthus annuus L. · Sunflower

Dedic Bosko, Imerovski Ivana, Miladinovic Dragana, Cvejic Sandra, Jocic Sinisa,

3 records

Nk Agrano

Active

Zea mays L. · Maize

Syngenta Seeds

4 records

Nanaux

Active

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

Agri Obtentions SA (FR)

2 records

Nagoya

Active

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

Institut national de recherche pour l'agriculture, l'aliment (FR)/Agri Obtentions SA (FR)

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.