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.

Lamb/Hass

Active

Persea americana Mill. · Avocado

Martin, Gray E.|Moreno Valley, CA / Bergh, Berthold O.|Riverside, CA

6 records

T-959

Active

Vaccinium virgatum Aiton · Rabbit-eye blueberry

Scott NeSmith

7 records

Santa Catalina

Active

Rubus idaeus L. · Red raspberry

Marina Gambardella, Pilar Banados, Javiera Grez, Elida Contreras, Pontificia Universidad Catolica de Chile

7 records

HT R24

Active

Brassica napus var. napus · Rapeseed

Stuart Growers

6 records

FL 02-40

Active

Vaccinium L. · Bilberry

PAUL M. LYRENE

8 records

LG 21.95

Active

Zea mays L. · Maize

LIMAGRAIN EUROPE

LT UA

8 records

MAS 39 T

Active

Zea mays L. · Maize

Zhoel` Meun`er

IT RO SI UA

9 records

LG 30315

Active

Zea mays L. · Maize

Philippe Flammant

BG RO SK UA

9 records

MAS 35 K

Active

Zea mays L. · Maize

Zhoel` Meun`er

HU IT SI UA

10 records

DKC 3969

Active

Zea mays L. · Maize

PETER KONCZOL

AT IT RO UA

10 records

LG 50270

Active

Helianthus annuus L. · Sunflower

Remy Rouane

IT SK UA

7 records

MAS 78T

Active

Zea mays L. · Maize

MAS SEEDS

GR IT PT

9 records

MAS 91 IR

Active

Helianthus annuus L. · Sunflower

Joel Meunier

RO UA

8 records

NXH 9610 CL

Active

Brassica napus var. napus · Rapeseed

DOW AgroSciences

DE DK PL

7 records

LG 32257

Active

Zea mays L. · Maize

Marcelo Queijo

DE IT UA

10 records

MAS 15P

Active

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

MAS Seeds,FR

FR HR NL PL

5 records

LG 32.12

Terminated

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

Limagrain Genetics Grandes Cultures SA (FR)

BE FR NL PL

6 records

LG 20-80

Terminated

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

SICA L. G. SERVICES (FR)

BE FR NL SE

7 records

DK 250

Active

Zea mays L. · Maize

R2n SAS

AT DK SI SK

7 records

P 79091

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

DE IT UA

8 records

P 8115

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

DE IT UA

7 records

MAS 17 E

Active

Zea mays L. · Maize

MAS SEEDS

AT BE DE

7 records

LID 3750 C

Active

Zea mays L. · Maize

EURALIS SEMENCES ,Lidea France SAS

DE IT SK UA

6 records

DK 243

Active

Zea mays L. · Maize

MONSANTO GMBH| Monsanto Agrar Deutschland GmbH

DE SK UA

5 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.