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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.

Lunogelb

Active

Calluna vulgaris (L.) Hull · Common heather

Christoph Kappert

DE
1 record

LHA452/66

Terminated

Helianthus annuus L. · Sunflower

LIMAGRAIN GENETICS S.A.

IT
1 record

LHA270/01

Active

Helianthus annuus L. · Sunflower

LIMAGRAIN EUROPE S.A.

IT
1 record

LEDI PIVDNIA

Terminated

Zea mays L. · Maize

Slobodian Roman Petrovych, Stupa Leonid IAkovych, Serikov Volodymyr Oleksiiovych, Sokolov V'iacheslav Mykhailovych, Bielousov Anatolii Oleksandrovych,

UA
2 records

Lotero Natural

Withdrawn

Lotus corniculatus L. · Bird's-foot trefoil

Estero S.A.

SI
1 record

LDZ23337

Active

Zea mays L. · Maize

LIDEA FRANCE SAS

IT
1 record

LG35

Terminated

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

GARST SEED COMPANY (US)

FR
1 record

LDZ23243

Active

Zea mays L. · Maize

LIDEA FRANCE SAS

IT
1 record

LDZ22229

Withdrawn

Zea mays L. · Maize

LIDEA FRANCE SAS

IT
1 record

Levada

Terminated

Solanum tuberosum L. · Potato

Kostiuk Ivan Ivanovych, Kononuchenko Alla Oleksiivna, Pylypenko Liliia Aminovna, Razkevych Mykola Pylypovych, Ostrenko Mykhailo Volodymyrovych, Siharova Dina Dmytrivna, Tarasenko Oleh Oleksandrovych, Taktaiev Borys Anatoliiovych, Osypchuk Alla Andriivna,

UA
2 records

LEU24.291.24

Active

Triticum aestivum L. · Bread wheat

DEUTSCHE SAATVEREDELUNG AG

UA
2 records

LSR170

Terminated

Secale cereale L. · Rye

Gerardo Andres, Gordillo Rodriguez

UA
2 records

LG2533 BT

Withdrawn

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

LIMAGRAIN GENETICS

ES
1 record

LSR157

Terminated

Secale cereale L. · Rye

Gerardo Andrec, Gerardo Andrec,

UA
2 records

LB 309 zMVK

Terminated

Zea mays L. subsp. Mays · Corn

Serikov Volodymyr Oleksiiovych, Sokolov Viacheslav Mykhailovych, Bielousov Anatolii Oleksandrovych,

UA
2 records

Lazurna

Terminated

Triticum aestivum L. · Bread wheat

Artemchuk Iryna Petrivna, Morhun Volodymyr Vasylovych,

UA
1 record

Leonidiv 276 SV

Active

Zea mays L. · Maize

Rybak Vasyl` Pylypovych, Boreiko Vasyl` Sydorovych, Tsentylo Leonid Vasyl`ovych,

UA
2 records

Lazio F1

Terminated

Spinacia oleracea L. · Spinach

Herrit Vlaar, Lipskyi Volodymyr Volodymyrovych,

UA
1 record

Londuka

Withdrawn

Dianthus caryophyllus L. · Carnation

Barberet, Alexandre/Blanc, Henri

SE
1 record

LZM556/30

Withdrawn

Zea mays L. · Maize

Limagrain Verneuil Holding (FR)

BG
2 records

LZM 274/46

Application submitted

Zea mays L. · Maize

LIMAGRAIN EUROPE S.A.

IT
1 record

LOH261

Terminated

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

Maisadour Societe Cooperative Agricole (FR)

FR
1 record

LAURINA

Application submitted

Pyrus communis L. · European pear

APP Darzkopibas instituts, V.Trajkovski

LV
1 record

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