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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.

IFG Cher-five

Active

Prunus avium (L.) L. · Sweet cherry

David W.Cain

11 records

Ridley 3402

Active

Vaccinium L. · Bilberry

Ridley Bell

13 records

IFG Cher-four

Active

Prunus avium (L.) L. · Sweet cherry

David W.Cain

10 records

E'RDENO

Active

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

SYNGENTA SEEDS B.V , NL

CZ ES HU NL SE SK
9 records

SUP-JI-BI

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Gross, Eduard|16250 Blanzac, Nanteuillet, France

BE DE FR IT NL
9 records

LG 34.75

Active

Zea mays L. · Maize

Limagrain Verneuil Holding (FR)

BG HU RO SK UA
12 records

7 four 7

Active

Solanum tuberosum L. · Potato

Jacob Eising

NL UA
16 records

Queen Garnet

Active

Prunus salicina Lindl. · Japanese plum

The State of Queensland acting through The Department of Agriculture and Fisheries

ES
12 records

IVU 115

Active

Prunus avium (L.) L. · Sweet cherry

Proprietary Fruits Varieties (Contracts) LLC

FR
9 records

POULHI 008

Active

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

9 records

HFR 18

Active

Actinidia chinensis Planch. · Kiwifruit

MINGZHANG LI

11 records

MAS 89M

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

FR IT RO UA
12 records

LG 5543 CL

Active

Helianthus annuus L. · Sunflower

LIMAGRAIN VERNEUIL HOLDING S.A.

BG IT SK UA
12 records

LG 5478

Active

Helianthus annuus L. · Sunflower

Remy ROUANET

AT HU IT UA
11 records

LG50545 CLP

Active

Helianthus annuus L. · Sunflower

LIMAGRAIN EUROPE S.A.

HU IT SK UA
11 records

LG 5463 CL

Active

Helianthus annuus L. · Sunflower

Remy Rouane

ES IT UA
11 records

PT 312

Active

Brassica napus var. napus · Rapeseed

PIONEER OVERSEAS CORPORATION US

CZ DE DK FR PL UA
13 records

PT 234

Active

Brassica napus var. napus · Rapeseed

Pioneer Overseas Corporation US (USA)

DE DK HR UA
13 records

SU Lucie

Active

Hordeum vulgare L. · Barley

W. von Borries-Eckendorf OHG, Leopoldshöhe DE

DE EE FR HU LT UA
9 records

PR 39 F 58

Active

Zea mays L. · Maize

Susanne Groh

AT BE DE SI UA
12 records

P 9000

Active

Zea mays L. · Maize

Steven King

AT BG IT SK UA
9 records

LG 53.85

Active

Helianthus annuus L. · Sunflower

Mais Angevin (FR)

CZ FR HR HU PL
10 records

Loto.

Terminated

Pisum sativum L. · Pea

S. A. FLORIMOND DESPREZ VEUVE ET FILS

DE DK ES FR NL
13 records

SY Dakoota

Active

Hordeum vulgare L. · Barley

Syngenta Participations,CH

CZ DE FR UA
12 records

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