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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.

Menhir

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

ISI SEMENTI SPA

IT
2 records

Marita

Active

Pisum sativum L. · Pea

Dr. Hans Buttenschön

DE
3 records

Marner Augustkohl

Protection expired

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

MARNER GZG| Rijk Zwaan Marne Aktiengesellschaft

DE
2 records

Mgc 1001

Terminated

Cannabis sativa L. · Hemp

Maripharm Beheer B.V.

NL
3 records

Marinica

Terminated

Phaseolus vulgaris L. · Common bean

STOIAN LUCIANAMBARUS SILVICA

RO
2 records

Mexicana

Active

Cucurbita pepo L. · Field pumpkin

Enza Zaden Beheer B.V.

NL
2 records

Melani

Active

Gossypium hirsutum L. · Upland cotton

Valentina Dimitrova, Ana Saldzhieva

BG
3 records

Prunus persica (L.) Batsch · Peach

Euro Pepinieres SCEA (FR)/Arsene Maillard (FR)

FR
2 records

Mammamia

Active

Lactuca sativa L. · Lettuce

MERIDIEM SEEDS S.L.

IT
2 records

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

PL
2 records

Magyca

Active

Lagenaria siceraria (Molina) Standl. · Calabash

NIELI TOMMASO

IT
2 records

Magnolia

Active

Solanum tuberosum L. · Potato

Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie

PL
5 records

Marano 0501

Terminated

Zea mays L. · Maize

S.I.S. SOCIETA' ITALIANA SEMENTI

IT
2 records

Marcelo

Terminated

Cucumis melo L. · Melon

ZETA SEEDS S.L.

ES
2 records

Medina

Terminated

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

Agri Obtentions SA (FR)/Institut National de la Recherche Agronomique (FR)

FR
3 records

Malbec

Active

Allium cepa L. var. cepa · Onion

Enza Zaden Beheer B.V.

NL
3 records

Lolium multiflorum Lam. · Italian ryegrass

PADANA SEMENTI ELECT SRL

PT
2 records

Manuela

Terminated

Oryza sativa L. · Rice

INIA&JUNTA ANDALUCIA

ES
3 records

Malambo

Terminated

Capsicum annuum L. · Bell pepper

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Majorel

Terminated

Cucumis melo L. · Melon

De Ruiter Zonen (HR)

FR
2 records

Maltesse

Active

Allium cepa L. var. aggregatum G. Don · Shallot

SCEA Glidic Arnaud (FR)

FR
3 records

Meliton

Active

Solanum melongena L. · Eggplant

HAO-DEMETER Institute of Plant Breeding and Genetic Resources

GR
2 records

Malle

Active

Solanum lycopersicum L. · Tomato

Maia Raudseping 90%, Ingrid Bender 10%

EE
3 records

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