Skip to content
agronom.cc cultivar database

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.

ESZ20313

Active

Zea mays L. · Maize

Euralis Semences

IT
1 record

DS3000

Active

Zea mays L. · Maize

Tovarystvo z obmezhenoiu vidpovidalnistiu "DANSIDS"

UA
2 records

ESZ20207

Active

Zea mays L. · Maize

Laurent BETTINGER

UA
2 records

ES Leopolis CLP

Withdrawn

Helianthus annuus L. · Sunflower

Euralis Semences, Mondonville FR

HU
1 record

Dueedli

Terminated

Euphorbia pulcherrima Willd. ex Klotzsch x Euphorbia cornastra (Dressler) Radcl.-Sm.

Duemmen, Marga

SE
1 record

ES Shana

Withdrawn

Helianthus annuus L. · Sunflower

Euralis Semences FR

BG
1 record

Espresso

Active

Cichorium intybus L. · Chicory

SUBA SEEDS COMPANY S.P.A.

IT
1 record

Esmared

Terminated

Prunus persica (L.) Batsch · Peach

Jean-Louis Escande (FR)

FR
2 records

EC21

Terminated

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

INIA/X.GALICIA

ES
1 record

ESM 601kh

Terminated

Zea mays L. · Maize

Mr. Pero Karolo

UA
1 record

ESG2112

Withdrawn

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

UA
2 records

ES DEKART

Active

Zea mays L. · Maize

Pierre CAROLO

UA
2 records

Eritreia

Terminated

Sorghum bicolor (L.) Moench · Sorghum

Shevchenko Tetiana Anatoliivna, Samoilenko Anatolii Terentiiovych,

UA
2 records

DS-4067

Withdrawn

Beta vulgaris Sugar Beet Group · Sugar beet

Danisco Seed

ES
1 record

Earlyman

Terminated

Brassica oleracea L. (Broccoli Group) · Broccoli

Louis Poloni (FR)

FR
1 record

DS 2058

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Danisco Seed

ES
1 record

DrisStrawFortyOne

Terminated

Fragaria L. · Strawberry

Bruce D. Mowrey, Agustin M. Renteria, Martin P. Madesko, Joanne F. Coss, Renae Robertson, Philip J. Stewart,

UA
1 record

Dzhyhit

Application submitted

Allium oschaninii O. Fedtsch. · Grey shallot

Zavertaliuk Volodymyr Filimonovych, Polivoda Lidiia Ivanivna, Sych Zenovii Deonyzovych, Kovalenko IEvheniia Mykhailivna,

UA
2 records

ES3151

Withdrawn

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
1 record

ESF2048CMS

Active

Brassica napus var. napus · Rapeseed

Sandrine LEGROS

UA
2 records

EP42

Terminated

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

C.S.I.C. (MADRID)

ES
1 record

ESF2014CMS

Application submitted

Brassica napus L. · Rapeseed

Thomas Foubert

UA
1 record

EP3567

Withdrawn

Zea mays L. · Maize

Engler Juergen

UA
2 records

Jump to page 154 308 462 617 766 771 856 876 925 966