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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.

Nemato

Terminated

Solanum lycopersicum L. · Tomato

DE RUITER ZONE

ES NL
3 records

Monalisa

Protection expired

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

Pioneer Hi-bred International Inc. (USA)

CZ HR
4 records

Zea mays L. · Maize

Zhan Beibeder

IT UA
3 records

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

Syngenta Crop Protection AG, Seeds Division, CH

FR HR
3 records

Natacha

Active

Cichorium endivia L. · Endive

Clause Semences SA (FR)

FR IT
5 records

Mercedessa KWS

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

CZ PL
3 records

Nantucket

Protection expired

Daucus carota L. · Carrot

Bejo Zaden (NL)

NL SI
3 records

Matilda

Protection expired

Avena sativa L. · Oat

Nilsson, Bengt

FI SE
5 records

Mamba

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SESVANDERHAVE NV-SA, BE

DE FR
3 records

Nagaoka 50 days

Protection expired

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

Takii & Co. Ltd., Kyoto 600-91

CZ SK
3 records

Meli

Terminated

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

Serasem, FR

DE FR
5 records

Milanno

Protection expired

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

R 2n (FR)

CZ FR
3 records

Nemafort

Active

Beta vulgaris Sugar Beet Group · Sugar beet

D J Van der Have BV (NL)

FR IT
3 records

Nemadie

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

DIECKMANN JOHANNES| Johannes Dieckmann

DE IT
3 records

Naxos

Terminated

Triticum aestivum L. · Bread wheat

FR. STRUBE SAATZUCHT GMBH&CO.KG

BE
4 records

Natacha

Active

Solanum lycopersicum L. · Tomato

ZERAIM GEDERA

ES NL
5 records

Nabucco

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Syngenta Seeds

FR PL
3 records

Meeri

Active

Avena sativa L. · Oat

Leena Pietilä, Esa Teperi, Boreal Plant Breeding Ltd.

EE FI
4 records

Medusa 

Active

Helianthus annuus L. · Sunflower

MAS SEEDS

IT UA
3 records

Lydia

Protection expired

Cucumis sativus L. · Cucumber

PETOSEED CO

GR NL
3 records

MAS 26B

Active

Zea mays L. · Maize

MAS SEEDS

IT UA
4 records

MAS 14C

Terminated

Zea mays L. · Maize

MAS SEEDS

DK
5 records

Mozart

Active

Glycine max (L.) Merr. · Soybean

Semican INC (CA)

HR UA
4 records

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