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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.

ES Tsenturio

Terminated

Brassica napus L. · Rapeseed

Patrice Jeanson

UA
2 records

Vaccinium myrtilloides Michx. · Canada blueberry

Nebylovych Ihor Volodymyrovych

UA
2 records

Feofaniia

Terminated

Triticum aestivum L. · Bread wheat

Oksom Volodymyr Polikarpovych, Skryplov Volodymyr Oleksandrovych, Morhun Volodymyr Vasylovych

UA
2 records

ESC12003

Withdrawn

Brassica napus L. · Rapeseed

Euralis Semences FR

BG
1 record

FELINAH

Application submitted

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

HAZERA SEEDS BV

ES
1 record

Helianthus annuus L. · Sunflower

Euralis Semences FR

FR
1 record

FDT10033

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Florimond Desprez

IT
1 record

ESH6009

Withdrawn

Helianthus annuus L. · Sunflower

Euralis Semences

IT
1 record

ES Passat

Terminated

Sorghum bicolor (L.) Moench · Sorghum

Eurosorgho

AT
1 record

ESG2111

Withdrawn

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

UA
2 records

ES Cocarde

Withdrawn

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

EURALIS GENETIQUE

BE
1 record

Helianthus annuus L. · Sunflower

Didier Sauvaire

UA
2 records

EQ4316

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
1 record

ES CAJOU RR YG

Terminated

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

MONSANTO TECHNOLOGY

ES
1 record

ESG2122

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

UA
2 records

ES Corsica

Withdrawn

Helianthus annuus L. · Sunflower

Euralis Semences

BG
1 record

Tulipa L. · Tulip

A.C.M. Smit en Zn. Bloembollenkwekerij

NL
1 record

Faro

Active

Rubus idaeus L. · Red raspberry

Ribanjou (FR)

FR
1 record

Elbdiva

Terminated

Convallaria majalis L. · Lily of the Valley

Prof. Dr. agr. R. Reimann-Philipp / Gerda Reimann-Philipp

DE
1 record

Farys

Terminated

Avena sativa L. · Oat

Malopolska Hodowla Roslin Spolka z o.o.

PL
1 record

EMIR

Protection expired

Hordeum vulgare L. · Barley

INNOSEEDS

DK
2 records

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Anzhelika Rakov

UA
1 record

ER3050

Withdrawn

Zea mays L. · Maize

MONSANTO TECHNOLOGY

IT
1 record

Farmalive

Application submitted

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

IT
1 record

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