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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.

Brillant

Protection expired

Zea mays L. · Maize

RAGT| RAGT (Societe Anonyme)

DE
2 records

Briana

Active

Allium cepa L. · Onion

Organic Trading Corporation, S.L.

PT
1 record

Brum

Active

Anethum graveolens L. · Dill

Sytnychenko Serhii Mykolaiovych

UA
2 records

BRAVIS

Terminated

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

ASGROW SEED CO

ES
1 record

Charivnyk

Terminated

Paeonia L. · Peony

Horobets` Vasyl` Fndorovych

UA
2 records

B RO 017A

Active

Helianthus annuus L. · Sunflower

Nicole Parvu

UA
2 records

Cassiopea F1

Terminated

Solanum lycopersicum L. · Tomato

Yonat Partok

UA
1 record

Briscard

Terminated

Triticum aestivum L. · Bread wheat

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
2 records

CALLIOPE

Application submitted

Daucus carota L. · Carrot

FENIX S.R.L.

ES
1 record

Boyana

Active

Gossypium hirsutum L. · Upland cotton

Neli Valkova, Maksim Bozhinov

BG
2 records

Brimstone

Withdrawn

Festuca pratensis Huds. · Meadow fescue

Deutsche Saatveredelung AG - DSV (DE)

FR
1 record

Bulava

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Vlasiuk Mykola Vitaliiovych, Vlasiuk Ivan Vitaliiovych, Vlasiuk Vitalii Ivanovych, Lytvyniuk Volodymyr Viktorovych, Kulik Oleksandr Heorhiiovych, Roik Mykola Volodymyrovych,

UA
2 records

Buian F1

Terminated

Cucumis sativus L. · Cucumber

Krylov Oleh Mykolaiovych, Borysov Oleksandr Volodymyrovych,

UA
1 record

Budrys

Withdrawn

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

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
2 records

Borys

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Instytut ovochivnytstva i bashtannytstva Natsionalnoi akademii ahrarnykh nauk Ukrainy

UA
2 records

BTS 213

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

ES
1 record

Carpentière

Active

Solanum tuberosum L. · Potato

INCONNU (FR)

FR
1 record

Boret

Terminated

Allium porrum L. · Leek

Domaine Public (FR)

FR
1 record

Cacanska Rodna ISK

Terminated

Prunus domestica L. · European plum

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

Brunhild

Terminated

Hordeum vulgare L. · Barley

BORRIES| W. von Borries-Eckendorf GmbH & Co.

DE
2 records

BRAÇAL

Terminated

Oryza sativa L. · Rice

INIA/IVIA

ES
2 records

Bonus F1

Active

Allium cepa L. · Onion

Win van Ham

UA
2 records

Cabernet Cubin

Active

Vitis vinifera L. · Common grape vine

Dr. Bernd H.E. Hill c/o Staatl. Lehr-u.VA für Wein und Obstbau, Ref. Rebenzüchtung

DE
2 records

CA1764

Active

x Triticosecale Wittm. ex A. Camus · Triticale

AGRI-OBTENTIONS

IT
1 record

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