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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.

Brius

Active

Capsicum annuum L. · Bell pepper

Piet de Vries

UA
2 records

Blanchegraine

Terminated

Vicia sativa L. · Common vetch

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

BNG2670

Active

Brassica napus L. · Rapeseed

RAGT 2N S.A.S

IT
1 record

CALO

Withdrawn

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

SEMENCES CARGILL

ES
1 record

Bonta F1

Active

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

B. Juarez

UA
2 records

Cantor

Terminated

Cucumis melo L. · Melon

Vilmorin SA (FR)

FR
1 record

BONANY

Active

Olea europaea L. · Olive

LORENZO MESTRE MAYOL

ES
2 records

Cannon VA75

Terminated

Brassica napus L. · Rapeseed

Danisco Seed

AT
1 record

Burdin 7705

Active

Vitis L. · Grapevine

INCONNU (FR)

FR
1 record

BOMI

Terminated

Hordeum vulgare L. · Barley

ERLAND VESTERGÅRD

DK
2 records

BLODY MARY

Terminated

Solanum lycopersicum L. · Tomato

SYNGENTA SEEDS B.V.

ES
1 record

BOLUDO PS

Terminated

Solanum lycopersicum L. · Tomato

Seminis Vegetable Seeds

ES
1 record

Buffalosteack

Active

Solanum lycopersicum L. · Tomato

Clause (FR)

FR
1 record

Bueffel

Withdrawn

Zea mays L. · Maize

HOHENHEIM| Universitaet Hohenheim

DE
1 record

Blanc de Lisbonne

Terminated

Allium cepa L. var. cepa · Onion

Domaine Public (FR)

FR
1 record

Cadières

Active

Lactuca sativa L. · Lettuce

Domaine Public (FR)

FR
1 record

Bohynia

Terminated

Raphanus sativus L. var. sativus · Radish

Horova Tamara Korniivna, Diachenko Vasyl` Kyrylovych, Lisitsyn Volodymyr Mykolaiovych, Leheza Zinaida Ivanivna, Kharchenko Nina Mykolaivna,

UA
1 record

Bts 178

Terminated

Zea mays L. · Maize

Daniel Shkoro

UA
2 records

Cacaboue

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Calisson

Application submitted

Brassica rapa L. var. rapa (L.) Thell. · Turnip

Agrosemens (FR)

FR
1 record

Borei SV

Terminated

Zea mays L. · Maize

Tsentylo Leonid Vasyl`ovych, Boreiko Vasyl` Sydorovych,

UA
2 records

Bobryk F1

Terminated

Cucumis sativus L. · Cucumber

Shevkunov Valerii Mykolaiovych, Prutens`ka Nataliia Oleksiivna, Shamshyna Anna Viacheslavovna, Portiankin Alieksiei IEvhenovych, Havrysh Serhii Fedorovych,

UA
1 record

Biathlon

Withdrawn

Lolium perenne L. · Perennial ryegrass

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

DE
1 record

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