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.

RH14026

Terminated

Zea mays L. · Maize

RAGT 2N S.A.S

IT
1 record

REWIROS

Terminated

Kalanchoe Adans. · Kalanchoe

L. DÆHNFELDT A/S

DK
1 record

RG22 01

Terminated

Brassica napus L. · Rapeseed

Asmus Soren Petersen, Jutta Detering,

UA
2 records

Reine de mai

Terminated

Lactuca sativa L. · Lettuce

Domaine Public (FR)

FR
1 record

RGT Iniexxta Waxy

Withdrawn

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

RAGT 2n, FR

FR
1 record

RMMC9687A

Application submitted

Brassica napus L. · Rapeseed

FOURNEAU Michael

UA
1 record

RM 37

Terminated

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

Sud Cereales (FR)

FR
1 record

RESOLUTE

Withdrawn

Sorghum bicolor (L.) Moench · Sorghum

Advanta Seed International

IT
1 record

Rizdviana zirochka

Active

Nigella damascena L. · Love-in-a-mist

Shanaida Mariia Ivanivna, Korablova Olha Anatoliivna,

UA
2 records

RG 2706

Terminated

Brassica napus L. · Rapeseed

Raps GbR Saatzucht Lundsgaard

IT
1 record

Regal Yopasa

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

VANDENBERG| Cornelis P. Vandenberg

DE
1 record

Rezi

Active

Lens culinaris Medik. · Lentil

Mendlerne Dr. Drienyovszki Nora / Kek Laszlone / Szuecsne Pozsonyi Beata / Dobranszki Judit

HU
2 records

Refusa-Nova

Terminated

Lupinus luteus L. · Yellow lupin

GUT AGRAR| Gut Agrarproduktions und -handels GmbH Waltersdorf

DE
1 record

RG200

Withdrawn

Oryza sativa L. · Rice

RISO GALLO S.P.A.

IT
1 record

Rempart

Terminated

Triticum aestivum L. · Bread wheat

SE.CO.CE. SEMENCES SA (FR)

FR
2 records

Romantyk

Terminated

Helianthus annuus L. · Sunflower

Molodchenkova Olha Olehivna, Babich Valerii Ivanovych, Hanzhelo Mykola Hryhorovych, Libenko Mykola Oleksandrovych, Varenyk Borys Fedorovych, Krut`ko Vasyl` Ivanovych,

UA
2 records

Remil

Protection expired

Helianthus annuus L. · Sunflower

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
2 records

Renato

Terminated

Rhododendron simsii Planch. · Indica azalea

KARL GLASER

DE
1 record

Ringo

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

MEER AAD| Aad van der Meer

DE
1 record

Repryz

Active

Hordeum vulgare L. · Barley

“HAVRYSH SERHII UDOVYCHENKO SVITLANA, BONDAREVA OLHA, VASYLENKO TAISIIA, LOHVINENKO IURII, VINIUKOV OLEKSANDR “

UA
2 records

Riko

Active

Solanum melongena L. · Eggplant

Sytnychenko Serhii Mykolaiovych

UA
2 records

Rolandas

Terminated

Lophospermum scandens D. Don · Creeping gloxinia

Aleksandro Stulginskio universitetas

LT
1 record

Roi des précoces

Protection expired

Brassica oleracea L. (White Cabbage Group) · White cabbage

Domaine Public (FR)

FR
1 record

Jump to page 154 308 462 617 687 771 777 797 887 925