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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.

A4006

Application submitted

Aechmea fasciata (Lindl.) Baker · Urn plant

Chester Skotak Jr.

1 record

Apache Spirit

Terminated

Rhipsalidopsis Britton & Rose · Easter cactus

LAU LINDEGAARD RASMUSSEN

1 record

ANTHSELAP

Active

Anthurium-Andreanum-Hybriden · Anthurium

Anthura B.V.

1 record

Atlantico

Terminated

Chrysanthemum L. · Chrysanthemum

Pieters Plant Production B.V.B.A.

1 record

Angel Hearts

Withdrawn

Dicentra Bernh. · Bleeding heart

WANTANABE TAMOTSU

1 record

Anastasia

Active

Phaseolus vulgaris L. · Common bean

Agrisemen B.V.

1 record

Anbell1444

Terminated

Chrysanthemum pacificum Nakai · Pacific chrysanthemum

Andreas Niederländer

1 record

Amelie

Active

Brassica napus var. napus · Rapeseed

Limagrain Europe S.A.S

1 record

AGRI447

Terminated

Lavandula stoechas L. · French lavender

Agriverco Beheer B.V.

1 record

Action Yellow

Terminated

Chrysanthemum L. · Chrysanthemum

Cleangro Ltd

1 record

Abdoro

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

AB Breeding B.V.

1 record

A 81

Application submitted

Vaccinium corymbosum L. · Highbush blueberry

Alejandro Navarro Díaz

1 record

FORTURIO

Active

Zea mays L. · Maize

Rainer Leipert

UA
2 records

MDM2534

Application submitted

Zea mays L. · Maize

MAS SEEDS

IT
1 record

L 272

Terminated

Zea mays L. · Maize

LIMAGRAIN GENETICS GRANDES CULTURES

FR
1 record

GUAYACAN

Active

Triticum aestivum L. · Bread wheat

FLORIMOND DESPREZ VEUVE ET FILS

ES
1 record

Zhalon

Terminated

Helianthus annuus L. · Sunflower

Y.-M. Campion

UA
1 record

X00D286

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

IT
1 record

Volonter

Application submitted

Secale cereale L. · Rye

Vorozhko Svitlana Pavlivna, Zarva Olena Ivanivna, Kornieieva Myroslava Oleksandrivna, Kolibabchuk Tetiana Volodymyrivna, Romaniuk Oksana Oleksandrivna, Mazur Zoia Oleksandrivna,

UA
2 records

YeS 121

Active

Helianthus annuus L. · Sunflower

Bushulian Oleh Volodymyrovych, Shatsman Dmytro Oleksandrovych,

UA
2 records

Yanysh

Active

Helianthus annuus L. · Sunflower

Hyskie Ivan Mykolaiovych, Bohdan Ihor` Vyktorovych,

UA
2 records

Vokiai

Terminated

Fagopyrum esculentum Moench · Buckwheat

Lietuvos agrarinių ir miškų mokslų centro Vokės filialas

LT
1 record

Yarovets` 243 MV

Terminated

Zea mays L. · Maize

Kyrpa Mykola IAkovych, Hrabovs`kyi Mykola Borysovych, Nehoda Tetiana Volodymyrivna, Olizko Oleksii Petrovych, Mykuliak Ivan Stepanovych, Chernomyz Anatolii Mykolaiovych, Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyr

UA
2 records

VPERED

Terminated

Helianthus annuus L. · Sunflower

Benko Mykola Ivanovych

UA
2 records

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