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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.

P64ll115

Active

Helianthus annuus L. · Sunflower

PIONEER OVERSEAS CORPORATION

HU RO
6 records

P2948w

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

IT
7 records

PR39K13

Terminated

Zea mays L. · Maize

PIONEER SALES| Pioneer Hi-Bred Northern Europe Sales Division GmbH

DE UA
5 records

PR38W85

Terminated

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

HU IT
6 records

Odette

Active

Cucumis sativus L. · Cucumber

Wing Seed

NL RO
5 records

Pauleen

Active

Zea mays L. · Maize

LIMAGRAIN EUROPE

DE SK
4 records

Patron

Active

Brassica napus var. napus · Rapeseed

Jutta Kaiser^^^Asmus Sören Petersen

DE DK
7 records

Brassica napus var. napus · Rapeseed

Andreas Gertz

DE DK
6 records

Pinki

Active

Solanum tuberosum L. · Potato

Franz von Zwehl Saatzucht

AT FR
5 records

Glycine max (L.) Merr. · Soybean

Mehiesi Istvan, Varha Dzhozefne, Takaks Mariia, Nemesne Varha Anna, Falusi Dzhanosne, Palvolhii Laslo, Falusi Dzhanos,

HU UA
5 records

PR64A12

Active

Helianthus annuus L. · Sunflower

PIONEER HI-BRED INTERNATIONAL

ES IT
5 records

Orange Refla

Protection expired

Chrysanthemum L. · Chrysanthemum

VAN DER JAGT MARTINUS

IT NL
4 records

Novalis

Active

Hordeum vulgare L. · Barley

Saatzucht Josef Breun GmbH & Co.KG (DE)

DE FR
7 records

P8012

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

AT IT
5 records

Nour

Active

Capsicum annuum L. · Bell pepper

Clause Semences SA (FR)

FR SK
4 records

Solanum lycopersicum L. · Tomato

Kees Konst

NL UA
8 records

Pr38a22

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

SI UA
5 records

PR33R77

Active

Zea mays L. · Maize

PIONEER HI-BRED INTERNATIONAL

IT PT
6 records

P9255

Active

Zea mays L. · Maize

PIONEER OVERSEAS CORPORATION

IT UA
5 records

P9234

Active

Zea mays L. · Maize

Pioneer Overseas Corporation, Pioneer Hi-Bred International Inc.

IT UA
6 records

Pitbull

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SESVanderhave NV

NL UA
4 records

Helianthus annuus L. · Sunflower

Petran Alexandru-Viorel

RO UA
5 records

Cucumis sativus L. · Cucumber

NUNHEMS ZADEN

ES NL
4 records

Nautilur

Terminated

Triticum durum Desf. · Durum wheat

RAGT 2N S.A.S

FR IT
5 records

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