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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.

DITMARSCHER TREIB

Protection expired

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

HR
1 record

Luxor

Terminated

Cichorium intybus L. (Industrial Chicory Group) · Chicory

1 record

Phaseolus vulgaris L. · Common bean

1 record

BOEMIA

Protection expired

Lactuca sativa L. · Lettuce

HR
1 record

Verdana

Active

Vitis L. · Grapevine

1 record

BC 593 O2O2

Terminated

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

HR
1 record

BC 58 W

Terminated

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

HR
1 record

BC 440

Terminated

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

HR
1 record

BC 38 WX WX

Terminated

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

HR
1 record

BC 199

Terminated

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

HR
1 record

LBS4148

Terminated

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

1 record

LBS1283

Terminated

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

1 record

Boal

Active

Vitis L. · Grapevine

1 record

Ansonica

Active

Vitis vinifera L. · Common grape vine

MT
1 record

AGS 159-1

Terminated

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

HR
1 record

Lacta

Terminated

Gossypium L. · Cotton

1 record

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

1 record