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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.

Brassica rapa L. var. rapa (L.) Thell. · Turnip

Domaine Public (FR)

FR
1 record

GTI 1065 R

Application submitted

Helianthus annuus L. · Sunflower

Daniela Valkova

UA
2 records

Gros du Midi

Terminated

Allium porrum L. · Leek

Domaine Public (FR)

FR
1 record

HILMAR

Terminated

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

EVA THORN, SVALÖF WEIBUL AB

DK
1 record

Solanum tuberosum L. · Potato

SIHAROVA DINA, SUMETS IURII, SAKHOSHKO MYKOLA, DIHTIAROV VIKTOR, MELNYK PAVLO, KOZHUSHKO NELI

UA
2 records

HOMBRE F1

Terminated

Cucumis melo L. · Melon

Asgrow France S.A. (FR)

HR
1 record

GSS4628

Application submitted

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Syngenta Crop Protection AG

NL
2 records

GRU 801300

Terminated

Brassica napus var. napus · Rapeseed

FRAUEN| Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / NOACK JueRGEN| Juergen Noack

DE
1 record

Heurtebise

Protection expired

Triticum aestivum L. · Bread wheat

Andre Blondeau Semences (FR)

FR
1 record

Grizzly

Application submitted

Glycine max (L.) Merr. · Soybean

AGENZIA REGIONALE PER LO SVILUPPO RURALE (ERSA)

IT
1 record

Hertsohynia

Terminated

Glycine max (L.) Merr. · Soybean

Latyshev Oleksii Valeriiovych, Koshalko Viktoriia Viktorivna, Ivaniuk Serhii Vasyl`ovych, Patii Ihor Vasyl`ovych, Polilui Mykola Viktorovych,

UA
2 records

Grenada

Application submitted

Capsicum annuum L. · Bell pepper

Opal Zi (BG)

BG
1 record

Prunus avium (L.) L. · Sweet cherry

STOV «ENOHRAI»

UA
2 records

Gordana

Active

Glycine max (L.) Merr. · Soybean

Semences Prograin (CA)

HR
2 records

Cucurbita pepo L. · Field pumpkin

Domaine Public (FR)

FR
1 record

Allium cepa L. var. cepa · Onion

Domaine Public (FR)

FR
1 record

Helga

Terminated

Solanum lycopersicum L. var. lycopersicum · Tomato

NEUBERT| Dr. Barb Neubert

DE
2 records

Solanum lycopersicum L. · Tomato

Jozsef Mozsar

UA
1 record

Harmonie

Withdrawn

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

IT
1 record

HI 0070

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

NOVARTIS SEEDS A.B.

ES
1 record

Heidegger ISK

Withdrawn

Prunus avium (L.) L. · Sweet cherry

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

Grafen

Application submitted

Zea mays L. · Maize

Ukrainian Scientific Institute of Plant Breeding LLC

BG
1 record

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