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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

Found in these crops

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.

DLFCHEL3

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

3 records

Impatiens walleriana Hook. f. · Busy Lizzie

Jonkers Johanna B.|Andijk, NL

3 records

Dektoshka

Terminated

Chrysanthemum L. · Chrysanthemum

Cornelis W. Dekker

3 records

Dektimman

Terminated

Chrysanthemum L. · Chrysanthemum

Nicolaas P. Dekker

3 records

Bkdayl

Active

Dahlia Cav. · Dahlia

Beekenkamp Annie Cornelia

3 records

Dekwhatsapp

Application submitted

Chrysanthemum L. · Chrysanthemum

Cornelis W. Dekker

3 records

Dianthus caryophyllus L. · Carnation

Emilio Cano

3 records

Dianthus caryophyllus L. · Carnation

Emilio Cano

3 records

Copeland

Terminated

Lolium perenne L. · Perennial ryegrass

Agri-food and Biosciences Institute (AFBI Belfast)

3 records

Cougar

Terminated

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

6 records

Cfpc Moonstone

Terminated

Dianthus caryophyllus L. · Carnation

Roy Stahlhut

3 records

Awaroa

Active

Rubus idaeus L. · Red raspberry

Horticulture and Food Research Institute of New Zealand Ltd

6 records

CC2

Active

Zea mays L. · Maize

KWS Saat SE, Limagrain Europe S.A.S.

3 records

ARD45

Active

Vitis vinifera L. · Common grape vine

Shachar Karniel

3 records

Diascia Link & Otto · Twinspur

Talmadge Paul A.|Guadalupe, CA, US

3 records

Verbascum L. · Mullein

Oudshoorn Hubertus Gerardus

3 records

Glycine max (L.) Merr. · Soybean

Pedro Gonzalez-Portilla^^^John A. Schillinger

3 records

BL1

Active

Tradescantia zebrina hort. ex Bosse · inchplant

Tingdal by Lundager ApS

3 records

Triticum aestivum L. · Bread wheat

PIONEER OVERSEAS CORPORATION

5 records

Bemol

Active

Zea mays L. · Maize

Mas Seeds S.A.S.

4 records

Phlox paniculata L. · Garden phlox

Towe June

3 records

Delphinium elatum L. · Alpine delphinium

Bartels Breeding B.V

3 records

Balwhisaptim

Application submitted

Diascia Link & Otto · Twinspur

Talmadge Paul A.|Guadalupe, CA, US

3 records

Albion

Protection expired

Phaseolus vulgaris L. · Common bean

National Seed Development Organization Ltd.

4 records

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