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.

Bernini

Active

Cucumis melo L. · Melon

Nunhems B.V., Laboratoire ASL S.N.C.

4 records

Bronzy

Active

Solanum lycopersicum L. · Tomato

De Bolster B.V.

3 records

Bramata

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Syngenta Seeds

2 records

BQ400

Active

Solanum lycopersicum L. · Tomato

Syngenta Crop Protection AG

2 records

Brisant

Terminated

Solanum tuberosum L. · Potato

Bavaria Saat GbR

3 records

Brisa

Active

Cucumis melo L. · Melon

Clause Tezier, FR

2 records

Bingo

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

Consorzio Sativa Societa Cooperativa Agricola

2 records

Budai Torpe

Active

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

2 records

Bilbo

Terminated

Solanum tuberosum L. · Potato

Landbrugets Kartoffelfond

3 records

Benek

Terminated

Solanum tuberosum L. · Potato

Hodowla Ziemniaka Zamarte sp. z o.o. - Grupa IHAR

3 records

Brigga

Protection expired

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

R 2n (FR)

2 records

Bency

Terminated

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

Clause Semences SA (FR)

2 records

Brevia

Terminated

Hordeum vulgare L. · Barley

SAATZUCHT DR H C HEGE GBRMBH

3 records

Bretzel

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

2 records

Bosman

Active

Cucumis melo L. · Melon

Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa w Ozarowie Mazowieckim Spolka z o.o.

2 records

Broquil

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

PEDRO JIMENEZ CASTILLO

2 records

Borsotto

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

2 records

Beyaz Altin 151

Active

Gossypium hirsutum L. · Upland cotton

PROGEN SEED INC.

3 records

Beles Sur

Terminated

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

HOLDEN FOUNDATION SEED

2 records

Borelli

Active

Zea mays L. · Maize

CAUSSADE SEMENCES

2 records

Braeburn Hillwell

Active

Malus domestica (Suckow) Borkh. · Apple

SNC Elaris, F

2 records

Borec

Terminated

Daucus carota L. · Carrot

Clause (FR)

2 records

Bc 282

Active

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

Bc Institut d.d. Zagreb (HR)

3 records

Baylissimo

Active

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

2 records

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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.