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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.

ORIGAMI

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Javier Sanchez

UA
3 records

Orus

Terminated

Asparagus officinalis L. · Asparagus

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) ^^^Vilmorin-Mikado S.A.S.^^^SOCIETE CIVILE DARBONNE

FR
3 records

Oribi

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SESVanderHave N.V./S.A.

LT
2 records

Lactuca sativa L. · Lettuce

ORTORICERCA SRL

IT
2 records

Opal

Active

Glycine max (L.) Merr. · Soybean

MURESANU EUGENSAMARTINEAN ADRIANA

RO
3 records

Orosi

Active

Capsicum annuum L. · Bell pepper

Bejo Zaden B.V.

NL
3 records

PAN 350

Active

Zea mays L. · Maize

Panam - Frantsiia

UA
2 records

Pan

Active

Papaver somniferum L. · Opium poppy

Georg Dobos Dr., Wien AT

HU
2 records

Onyx

Active

Spinacia oleracea L. · Spinach

KWS VEGETABLES B.V.

NL
2 records

Onio

Active

Zea mays L. · Maize

Melnyk Taras Vitaliiovych, Melnyk Vitalii IAkovych,

UA
3 records

Orchidea

Active

Zea mays L. · Maize

NORTHRUP KING

IT
4 records

Octawian

Active

Solanum lycopersicum L. · Tomato

Zaklad Ogrodniczy Przyborow sp. z o.o.

PL
2 records

Parsifal

Active

Solanum lycopersicum L. · Tomato

Vilmorin SA (FR)

FR
2 records

Palpito

Active

Capsicum annuum L. · Bell pepper

CAPITAL GENETIC EBT, S.L.

ES
2 records

Parigino

Active

Phaseolus vulgaris L. · Common bean

PUBBLICO DOMINIO

IT
2 records

Glycine max (L.) Merr. · Soybean

Istvan Rajcan

UA
3 records

Oreol

Active

Helianthus annuus L. · Sunflower

Varenyk Borys Fedorovych, Babich Valerii Ivanovych, Hanzhelo Mykola Hryhorovych, Libenko Mykola Oleksandrovych, Krut`ko Vasyl` Ivanovych, Borovs`ka Iryna IUriivna, Shepilov Borys Petrovych, Veselyi Vitalii Oleksandrovych, Kolomatska Valeriia Pavlivna, Mak

UA
4 records

PAG 2003

Terminated

Lactuca sativa L. · Lettuce

Progeny Advanced Genetics

ES
3 records

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

FR
2 records

P9400Y

Active

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

PIONEER HI-BRED INTERNATIONAL

ES
2 records

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

FR
2 records

P8580

Active

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

PIONEER OVERSEAS CORPORATION

ES
2 records

Pacha

Terminated

Zea mays L. · Maize

PANNAR UK LTD.

IT
2 records

Oradea 34

Protection expired

Prunus persica (L.) Batsch · Peach

STEFAN IULIANPURTAN FLORICAPOPOVICI DANIELGORDAN MIRCEA

RO
3 records

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