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.

4641 NS

Active

Zea mays L. · Maize

Nastasich Aleksandra

3 records

VNK 117L

Active

Zea mays L. · Maize

Parii Myroslav Fedorovych, Parii IAroslav Fedorovych

3 records

DKC4522

Protection expired

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

Monsanto Technology LLC, US

2 records

DK2966 ZSZM

Active

Zea mays L. · Maize

Bondar` Tetiana Mykolaivna, Kupar Ivan Mykhailovych, Bodenko Natalia Anatoliivna, Fed`ko Mykola Mykolaiovych, Cherchel` Vladyslav IUriiovych, Dziubets`kyi Borys Volodymyrovych,

3 records

SS-UPL-01

Withdrawn

Gossypium hirsutum L. · Upland cotton

SEMILLAS SOSTENIBLES IBERICA, S.L.

1 record

See Star

Application submitted

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

Seed Solutions Sp.z.o.o.(PL)

1 record

RMMC-9702-R

Application submitted

Brassica napus L. · Rapeseed

FOURNEAU Michael

1 record

TTAE-13-19

Application submitted

Helianthus annuus L. · Sunflower

VELI PEKCAN, TAHIR GUCER, GOKSEL EVCI, YALCIN KAYA, IBRAHIM YILMAZ

2 records

XS 426

Withdrawn

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

PIONEER HI-BRED INTERNATIONAL

2 records

VK-69

Terminated

Zea mays L. · Maize

Ponurenko Serhii Hennadiiovych, Derebizova Ol`ha IUriivna, Pozdniakov Volodymyr Vasyl`ovych, Tymchuk Viktor Mykhailovych, Kharchenko Liubov IAkivna, Kharchenko IUrii Viktorovych, Tymchuk Serhii Mykhailovych,

4 records

SE 18-3008 SG

Terminated

Hordeum vulgare L. · Barley

Elisabeth Zechner

1 record

S39-09

Active

Zea mays L. · Maize

Francis Glenn

2 records

TOLEDO-9

Terminated

Helianthus annuus L. · Sunflower

CECOSA

2 records

/Ostrech SV/

Terminated

Zea mays L. · Maize

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

2 records

OR-28A

Terminated

Zea mays L. · Maize

Chepolkina Tetiana Fedorivna

2 records

Padre Pio

Active

Triticum turgidum L. subsp. dicoccum (Schrank ex Schübl.) Thell. · Emmer

CREA-CENTRO DI RICERCA PER LA CEREALICOLTURA (CREA-CI-FG)

1 record

R07064 SMS

Protection expired

Zea mays L. · Maize

Bruno Lefevre

2 records

EAX5121 NPAX4072

Terminated

Zea mays L. · Maize

Benoit Petiard

2 records

LVO-7-V

Terminated

Helianthus annuus L. · Sunflower

Tolmachov Viktor Valentynovych

2 records

KS 315 V

Active

Helianthus annuus L. · Sunflower

Tsevma Volodymyr Mykolaiovych, Doroshevskyi Oleksandr Volodymyrovych,

2 records

IVIA-TRI-1

Active

Citrus reticulata Blanco · Mandarin orange

IVIA

2 records

UF19-40-7

Active

Plectranthus scutellarioides (L.) R. Br. · Coleus

David G. Clark

1 record

Maroba 2

Active

Dieffenbachia Schott · Dumbcane

Eduard J.M. van der Knaap

2 records

Post - It

Withdrawn

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

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.