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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.

Oreb

Terminated

Solanum tuberosum L. · Potato

CZ SK
4 records

Zg-54

Protection expired

Helianthus annuus L. · Sunflower

PC Hrvatske ZG (HR)

HR SI
2 records

Kaspiko

Active

Zea mays L. · Maize

SK
2 records

Meditia

Active

Zea mays L. · Maize

UA
4 records

RGT Gguepard

Terminated

Sorghum bicolor (L.) Moench · Sorghum

DE
3 records

MAS 13B

Active

Zea mays L. · Maize

DK
2 records

Jégcsap

Protection expired

Raphanus sativus L. · Radish

HU SK
2 records

Intera

Terminated

Beta vulgaris L. · Beet

SK
3 records

Lisbona

Protection expired

Allium cepa L. · Onion

IT SI
2 records

PS Puqa

Active

Triticum aestivum L. · Bread wheat

SK
3 records

Solanum lycopersicum L. · Tomato

BG
2 records

Leveles

Active

Raphanus sativus L. var. oleiformis Pers. · Oil radish

CZ
2 records

Ridley

Terminated

Zea mays L. · Maize

DE
2 records

Gorella

Protection expired

Fragaria L. · Strawberry

CZ SK
2 records

Kvalitas YG

Protection expired

Zea mays L. · Maize

DE
2 records

Radana

Protection expired

Zea mays L. · Maize

SK
3 records

Primodoro

Terminated

Allium cepa L. · Onion

SK
2 records

Oceania

Active

Brassica napus var. napus · Rapeseed

CZ
2 records

Spezi

Terminated

Zea mays L. · Maize

DE
2 records

Juni Riesen

Protection expired

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

Saatzucht Quedlinburg-DE

HR SI
2 records

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