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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.

Zg-31

Protection expired

Helianthus annuus L. · Sunflower

PC Hrvatske ZG (HR)

HR SI
2 records

P9261

Protection expired

Zea mays L. · Maize

RO
3 records

Róza

Protection expired

Raphanus sativus L. · Radish

HU SK
2 records

PR36M53

Active

Zea mays L. · Maize

BG
2 records

Ribella

Protection expired

Raphanus sativus L. var. sativus · Radish

NL
2 records

MT Muray

Terminated

Zea mays L. · Maize

SK
2 records

Tolima

Protection expired

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

CZ
2 records

White silver

Protection expired

Beta vulgaris Leaf Beet Group · Swiss chard

CY IT
2 records

Tizian

Withdrawn

Brassica napus var. napus · Rapeseed

CZ DE
2 records

Os Ana

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

Poljopri. Inst. Osijek (HR)

HR SI
2 records

Pr37y20

Active

Zea mays L. · Maize

SK
2 records

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

CZ
2 records

Tenger

Terminated

Solanum lycopersicum L. · Tomato

NL
2 records

Neretva

Protection expired

Glycine max (L.) Merr. · Soybean

Poljoprivredni Institut Osijek, HR

HR SI
2 records

NPID2451

Active

Zea mays L. · Maize

UA
3 records

Zea mays L. · Maize

DE SK
2 records

Long allemand

Protection expired

Cucumis sativus L. · Cucumber

FR HR
2 records

Torena

Active

Zea mays L. · Maize

SK
2 records

Palas

Terminated

Pisum sativum L. · Pea

CZ SK
2 records

Triticum aestivum L. · Bread wheat

SK
3 records

Tenzing

Withdrawn

Brassica napus var. napus · Rapeseed

DE DK
2 records

Tacito

Protection expired

Zea mays L. · Maize

SK
2 records

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