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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.

Carnaval

Terminated

Cucumis sativus L. · Cucumber

Vilmorin SA (FR)

FR
3 records

Bruce

Active

Capsicum annuum L. · Bell pepper

CAPITAL GENETIC EBT, S.L.

ES
2 records

Carlinda

Active

Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard

Carneau Freres SA (FR)

FR
2 records

Cardea

Active

Cucurbita pepo L. · Field pumpkin

agro- Tip Handels-u. Consultingges. mbH

PT
2 records

Cedron

Active

Solanum tuberosum L. · Potato

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

PL
3 records

Caravaggio

Active

Cichorium intybus L. (Leaf Chicory Group) · Chicory

Bejo Zaden B.V.

NL
3 records

Brocal

Terminated

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

INIA-OTRI

ES
2 records

BX 13

Terminated

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Dr. Andreas Girke

DE
2 records

Bonafema

Terminated

Phaseolus vulgaris L. · Common bean

PRINC.ASTURIAS(CAPP)/INIA

ES
3 records

Caraman

Terminated

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

Semences Cargill SA (FR)

FR
3 records

CAPYF14-918I

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

CROOKHAM COMPANY

NL
3 records

Briliant

Active

Cucumis melo L. · Melon

AMBARUS SILVICA

RO
3 records

Borozens`kyi 277 MV

Active

Zea mays L. · Maize

Holubnycha Al`ona Hryhorivna, Mazunina Tetiana Oleksandrivna, Nehoda Tetiana Volodymyrivna, Voskoboinyk Oleksandr Vasyl`ovych, Hrabovs`kyi Mykola Borysovych, Hlushko Vasyl` Vasyl`ovych, Olizko Oleksii Petrovych, Antoniuk Serhii Petrovych, Cherchel Vladysl

UA
3 records

Carella YG

Terminated

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

CORN STATES INTERNATIONAL SARL

ES
2 records

Cardyna

Active

Solanum lycopersicum L. · Tomato

Clause (FR)

FR
2 records

Capito

Active

Allium porrum L. · Leek

Hazera Seeds B.V.

NL
5 records

Cardanas

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
3 records

Bolea YG

Active

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

SEMILLAS FITO, S.A.

ES
2 records

Brapre

Active

Prunus persica (L.) Batsch · Peach

Norman Glen Bradford (US)/Lowell Glen Bradford (US)

FR
5 records

Capua

Terminated

Lactuca sativa L. · Lettuce

Seminis Vegetable Seeds

NL
3 records

Bono

Terminated

Beta vulgaris Fodder Beet Group · Mangelwurzel

ILVO-PLANT 39

BE
2 records

Bojana

Active

Glycine max (L.) Merr. · Soybean

Milosh Vidich, Militsa Khrustich, Dzhordzhe Iotskovych,

UA
4 records

BTS Smart 9230

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

NL
2 records

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