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.

NPID2566S

Terminated

Zea mays L. · Maize

Javier Betran

2 records

N6L414 CL

Withdrawn

Helianthus annuus L. · Sunflower

NuSeed Americas

1 record

NX2904

Terminated

Zea mays L. · Maize

Syngenta Crop Protection AG

1 record

Norah

Active

Tulipa L. · Tulip

Testcentrum voor Siergewassen B.V.

1 record

Museau de veau

Terminated

Capsicum annuum L. · Bell pepper

Domaine Public (FR)

1 record

Nono

Terminated

Ipomoea batatas (L.) Lam. · Sweet potato

Biotehniška fakulteta, Oddelek za agronomijo

1 record

NP2171 S

Terminated

Zea mays L. · Maize

Zhyv'ier Betran

2 records

NUSA

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Institut za šećernu repu d.d. Osijek (HR)

1 record

Myrkhad

Terminated

Triticum aestivum L. · Bread wheat

Zamlila Nina Petrivna, Shperfel`d Khubert, Porshe Vol`fhanh, Lebedieva Halyna Danylivna, Chebakov Mykola Petrovych, Zhyvotkov Leonid Oleksandrovych, Rikhter Klaus,

2 records

Multired 7

Terminated

Lactuca sativa L. · Lettuce

Nunhems B.V.

2 records

Noel

Withdrawn

Triticum aestivum L. · Bread wheat

ISEA S.R.L

1 record

NU6433

Active

Helianthus annuus L. · Sunflower

Rymskyi Ruslan Hryhorovych

2 records

Naslada

Terminated

Vitis vinifera L. subsp. vinifera · Wine grape

Yordan K. Ivanov, Vasil Y. Valchev

1 record

MSI007

Active

Medicago sativa L. subsp. sativa · Alfalfa

CREA - CENTRO DI RICERCA PER LA ZOOTECNIA ED ACQUACOLTURA (CREA-ZA)

2 records

Northstar

Application submitted

Brassica oleracea L. (Broccoli Group) · Broccoli

Bejo Zaden B.V.

2 records

Mura

Active

Panicum miliaceum L. · Proso millet

Primož Titan

1 record

MZA3

Withdrawn

Oryza sativa L. · Rice

SOCIETÀ AGRICOLA GIULIO MELZI D'ERIL S.S.

1 record

Myropol`

Terminated

Triticum aestivum L. · Bread wheat

Kosiuk Mykola Serhiiovych, Vorotylko Mykola Stepanovych, Salatenko Volodymyr Nykyforovych, Karamushka Liudmyla Fedorivna, Honcharova Kapitalina V'iacheslavivna, Vasylenko Liudmyla Fedorivna, Bazalii Halyna Hryhorivna, Orliuk Anatolii Pavlovych,

2 records

Mostar F1

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

Aikhan Enhin

1 record

Mostar

Terminated

Brassica oleracea L. (Cabbage Group) · Cabbage

May Agro Seed Corp.(TR)

1 record

MTI

Terminated

Zea mays L. · Maize

Kyrpa Mykola IAkivovych, Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,

2 records

Morning Gem

Application submitted

Brassica oleracea L. (White Cabbage Group) · White cabbage

ReinSaat KG

1 record

MSP11

Withdrawn

Brassica napus var. napus · Rapeseed

Monsanto Technology LLC, US

1 record

Nadiante

Application submitted

Hordeum vulgare L. · Barley

CREA - CENTRO DI RICERCA GENOMICA E BIOINFORMATICA (CREA-GB) / SOCIETA' PRODUTTORI SEMENTI S.P.A.

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.