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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.

Ursa

Protection expired

Solanum lycopersicum L. · Tomato

GSN Seeds (US)

FR
3 records

Turquesa

Active

Beta vulgaris Sugar Beet Group · Sugar beet

LION SEEDS

ES
2 records

Urania

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

Danko Hodowla Roslin Sp.z.o.o.

PL
3 records

Solanum lycopersicum L. · Tomato

Monsanto Vegetable IP Management B.V.

NL
4 records

VACRONA

Terminated

Freesia Eckl. ex Klatt · Freesia

B.V. HANDELSKWEKERIJ M.C. VAN STAAVEREN

DK
2 records

Venus

Application submitted

Lactuca sativa L. · Lettuce

Paragon Seed, Inc.

NL
2 records

UNK 55L

Active

Zea mays L. · Maize

Parii Myroslav Fedorovych

UA
3 records

Phaseolus vulgaris L. · Common bean

GSN Semences SAS (FR)

FR
2 records

Solanum tuberosum L. · Potato

RUP «NAUCHNO - PRAKTICHESKIJ CZENTR NACZIONALNOJ AKADEMII NAUK BELARUSI PO KARTOFELEVODSTVU I PLODOOVOSHHEVODSTVU»

SK
2 records

Tundra

Protection expired

Dianthus caryophyllus L. · Carnation

Gerrit Kooij

NL
2 records

Utopia

Terminated

Allium cepa L. var. cepa · Onion

Seminis Vegetable Seeds

PL
2 records

Avena sativa L. · Oat

SARL ADRIEN MOMONT ET FILS, FR

FR
3 records

Vehas

Active

Helianthus annuus L. · Sunflower

Kyrychenko Maryna Serhiivna, Babych Viktoriia Olehivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych,

UA
3 records

Umaca

Withdrawn

Solanum lycopersicum L. · Tomato

Vilmorin-Mikado S.A.S.

FR
2 records

TRI5032R

Active

Helianthus annuus L. · Sunflower

PETIARD Benoit

UA
3 records

UNK 900S

Active

Zea mays L. · Maize

Parii Myroslav Fedorovych

UA
3 records

Trapezitsa

Terminated

Triticum aestivum L. · Bread wheat

Galya Katrandzhieva

BG
2 records

Solanum tuberosum L. · Potato

BRETAGNE PLANTS INNOVATION S.A.S.

NL
4 records

Ulme

Terminated

Solanum tuberosum L. · Potato

OAR Martin Scheidt in Bayerische Landesanstalt für Bodenkultur und Pflanzenbau / LD Dr. Munzert in Bayerische Landesanstalt für Bodenkultur und Pflanzenbau

DE
3 records

UAAX3722

Active

Zea mays L. · Maize

Syngenta Participations AG

UA
3 records

Vallejo

Active

Brassica oleracea L. (Broccoli Group) · Broccoli

Bejo Zaden B.V.

NL
3 records

Tronka

Active

Zea mays L. · Maize

Nuzhna Mariia Volodymyrivna, Hlushko Tetiana Viktorivna, Hozh Oleksandr Anatoliiovych, MarchenkoTetiana IUriivna, Lavrynenko IUrii Oleksandrovych,

UA
5 records

Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley

MINISTERO DELLE POLITICHE AGRICOLE E FORESTALI - DIREZIONE GENERALE DELLE POLITICHE AGRICOLE ED AGROINDUSTRIALI NAZIONALI

IT
2 records

Troliai

Terminated

Cucumis sativus L. · Cucumber

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
2 records

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