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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.

Alia F1

Active

Cucurbita pepo L. · Field pumpkin

F. Denel

UA
1 record

AP 3800

Withdrawn

Glycine max (L.) Merr. · Soybean

NICKERSON AMER.P.BREEDERS

ES
1 record

Akord

Active

Raphanus sativus L. · Radish

Tyshkovs`kyi Volodytmyr Mykhailovych, Liubosh Srbek,

UA
2 records

Anubis

Active

Cucumis sativus L. · Cucumber

Voievodin IUrii Ihorovych, Kholodniak Liubov Volodymyrivna, Kholodniak Oleh Heorhiiovych,

UA
2 records

Akademichnyi

Terminated

Helianthus annuus L. · Sunflower

Babich Valerii Ivanovych, Syvenko Valentyna Ivanivna, Makliak Kateryna Mykolaivna, Libenko Mykola Oleksandrovych, Kuzmyshena Nadiia Viktorivna, Krut`ko Vasyl` Ivanovych, Kolomatska Valeriia Pavlivna, Kyrychenko Viktor Vasylovych, Karapira Serhii Ivanovych

UA
2 records

Antinea

Terminated

Helianthus annuus L. · Sunflower

Meszaros Laszlo / Takacs Laszlo / Csikasz Tamas / Dein Gyoergyne / Heisler Janosne / Nebli Laszlo / Piszker Zoltan / Walcz Ilona

HU
1 record

Algerian

Withdrawn

Avena sativa L. · Oat

Agricultural Research Institute

CY
1 record

ALFORI

Terminated

Triticum aestivum L. · Bread wheat

ETS.C.C.BENOIST

ES
2 records

Albina

Terminated

Vitis vinifera L. · Common grape vine

Bachynskyi Anatolii Leonidovych

UA
2 records

Annit

Active

Glycine max (L.) Merr. · Soybean

Fermerske hospodarstvo "Hryha"

UA
2 records

AL6124B

Terminated

Zea mays L. · Maize

Frank Roeber

UA
2 records

ALTA

Active

Origanum vulgare L. · Oregano

Kutsenko Nataliia, Hlushcenko Liudmyla

UA
2 records

AGJ535

Active

Zea mays L. · Maize

Jure Kolaric

UA
1 record

Albias

Protection expired

Hordeum vulgare L. · Barley

Ecole Nationale Superieure Agronomique de Toulouse (FR)

FR
2 records

Aivenho

Active

Secale cereale L. · Rye

Zmiievska Olena Anatoliivna, Dryl Valentyna Petrivna, Tsyhanko Viktor Anatoliiovych, Yehorov Dmytro Kostiantynovych, Demianchenko Svitlana Borysivna, Shtefan Oleksii Olehovych

UA
2 records

Angpar

Active

Oenothera L. · Evening Primrose

ADAMED PHARMA S.A.

PL
1 record

Akҫa

Active

Cicer arietinum L. · Chickpea

Geçit Kusagi Tarimsal Arst.Enst.Müd. (TR)

BG
1 record

Adra

Terminated

Capsicum annuum L. · Bell pepper

Clause Semences SA (FR)

FR
1 record

AGUTI

Terminated

Solanum tuberosum L. · Potato

Franz Von Zwehl (DE)

FR
1 record

Aivenho

Terminated

Capsicum annuum L. · Bell pepper

Timin Olei IUriiovych, Muzhylko Viktor Valentynovych,

UA
1 record

Agriss

Terminated

Triticum aestivum L. · Bread wheat

Cambier Semences (FR)

FR
1 record

Allegro

Active

Vitis vinifera L. · Common grape vine

Hochschule Geisenheim University Institut für Pflanzenzüchtung Herrn Prof. Dr. Ernst Rühl

DE
2 records

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