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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.

KWS ARTIKUS

Active

Zea mays L. · Maize

KWS SAAT SE and CO KGAA

DK
4 records

MC16 54

Application submitted

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Masiá Ciscar S.L.

ES
4 records

KM 234 W 11

Active

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

DE
4 records

P 7883

Terminated

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

DE
4 records

LG 30218

Active

Zea mays L. · Maize

Limagrain Europe S.A.S

DE
6 records

NK Jalisco MR

Active

Helianthus annuus L. · Sunflower

SYNGENTA SEEDS A.G.

ES
3 records

'NECTAJULIE'

Active

Prunus persica (L.) Batsch · Peach

Maillard Arsene / Maillard Laurence

FR
6 records

Heinz 9888

Active

Solanum lycopersicum L. · Tomato

HEINZSEED

PT
5 records

NS 540

Active

Zea mays L. · Maize

Institut za ratarstvo i povrtarstvo, Novi Sad

RO
7 records

KP Albakomp

Protection expired

Papaver somniferum L. · Opium poppy

Hoeroempoeli Tibor / Biro Janosne

HU
4 records

MSL 011 C

Active

Brassica napus var. napus · Rapeseed

Werner Paulmann^^^Martin Frauen

DE
5 records

KW 9H1053

Terminated

Zea mays L. · Maize

Laipert Rainer

UA
6 records

KW 7P1057

Active

Zea mays L. · Maize

Rainer Leipert

UA
4 records

NK 180

Active

Sorghum bicolor (L.) Moench · Sorghum

Krys Velby

UA
5 records

Mc Brian

Active

Chrysanthemum L. · Chrysanthemum

Chrysanthemum Breeders Association Research B.V.

NL
3 records

MAY 509

Active

Gossypium hirsutum L. · Upland cotton

May-Agro Tohumculuk Sanayi ve Ticaret A.Ş.

ES
4 records

ELIKALB - DK 3889 TR

Protection expired

Helianthus annuus L. · Sunflower

DEKALB AGR. RESEARCH INC.

GR
4 records

HM 1820

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Syngenta Crop Protection AG

IT
3 records

Lovrin 25

Active

Lotus corniculatus L. · Bird's-foot trefoil

RECHITEAN DORINHORABLAGA NICOLAE MARINELBOSTAN CRISTIANCOJOCARIU LUMINITARAIN PETRUBUZNA CIPRIAN CALINRECHITEAN ISABELA ILDIKO

RO
4 records

DKC 7074

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
4 records

ECCO 975FP

Active

Oryza sativa L. · Rice

RICE TEC INC.

IT
4 records

DWS 03 A

Terminated

Brassica napus var. napus · Rapeseed

Martin Frauen^^^Hanna Meier zu Beerentrup

DE
4 records

DH 014 W 11

Terminated

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Jürgen Noack

DE
5 records

Florence-Aurore

Active

Triticum aestivum L. · Bread wheat

Station d amelioration des plantes de Versailles (FR)

FR
5 records

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