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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.

Flair

Terminated

Dianthus caryophyllus L. · Carnation

West Stek B.V.

NL PL
2 records

GH11754

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Syngenta Seeds B.V.

NL UA
2 records

Globist

Terminated

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

NL
4 records

HMv 5368

Active

Zea mays L. · Maize

Pinter Janos, Hadi Geza, Marton L. Csaba,

HU UA
3 records

Zea mays L. · Maize

Ludwig Feldmeier

UA
2 records

Felixa KWS

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

KWS Saat AG, DE

DE FR
2 records

Hador

Terminated

Phaseolus vulgaris L. · Common bean

Royal Sluis Vegetables BV (NL)

FR NL
2 records

Hanseat

Terminated

Triticum aestivum L. · Bread wheat

PLANT BREEDING INTERNATIONAL CAMBRIDGE

DK
4 records

EXPOVA

Terminated

Solanum tuberosum L. · Potato

Landbrugets Kartoffelfond

DK ES
3 records

EW4932

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT UA
3 records

EX4933

Withdrawn

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT UA
3 records

Florian

Terminated

Helianthus annuus L. · Sunflower

ASGROW SEED CO

ES FR
2 records

Glatt

Active

Zea mays L. · Maize

SAATZUCHT GLEISDORF GESMBH

IT
2 records

GKT 414

Terminated

Zea mays L. · Maize

Pinter Zoltan / Balassa Gyoergy / Szel Sandor / Kalman Laszlo / Pinter Zoltanne / Hefflerne Janosi Anett / Varga Ferenc / Bacsa Gyoergy

HU SK
2 records

GL Sanne

Withdrawn

Glycine max (L.) Merr. · Soybean

Saatzucht Gleisdorf

AT DE
2 records

Beta vulgaris Sugar Beet Group · Sugar beet

Karine Bounan-Henry

DE UA
3 records

Gismo

Withdrawn

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

DE PL
2 records

ER4643

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT UA
3 records

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

IT
2 records

Fagretto

Terminated

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

IT
2 records

Garantia KWS

Application submitted

Beta vulgaris Sugar Beet Group · Sugar beet

Werner Beyer, Dietrich Hauer, Wolfgang Mechelke,

DE UA
3 records

EL5911

Active

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

MONSANTO TECHNOLOGY

ES
2 records

Eugenius

Active

Cannabis sativa L. · Hemp

F1 SeedTech B.V.

NL UA
2 records

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