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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.

Legato

Active

Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard

EE FI
3 records

Hordeum vulgare L. · Barley

RO
3 records

Zelma

Active

Glycine max (L.) Merr. · Soybean

HU
3 records

Victory

Active

Lupinus albus L. · White lupin

DE
3 records

Vasilelin

Protection expired

Linum usitatissimum L. · Common flax

RO
3 records

Repekka

Active

Hordeum vulgare L. · Barley

FI
4 records

Retrija

Active

Pisum sativum L. · Pea

LV
4 records

Helianthus annuus L. · Sunflower

RO
3 records

Glycine max (L.) Merr. · Soybean

RO
4 records

Mayrika

Active

Glycine max (L.) Merr. · Soybean

CZ
3 records

Ingrid

Active

Brassica napus var. napus · Rapeseed

FI
5 records

Brassica napus var. napus · Rapeseed

DE
4 records

Diana

Protection expired

Cannabis sativa L. · Hemp

RO
3 records

Carla TD

Protection expired

Glycine max (L.) Merr. · Soybean

RO
3 records

Beta 11

Active

Vicia sativa L. · Common vetch

HU
3 records

Artturi

Active

Hordeum vulgare L. · Barley

FI
4 records

Alva

Terminated

Triticum aestivum L. · Bread wheat

INIAV - Instituto Nacional de Investigacao Agraria e Veterinaria.

PT
3 records

Poker

Active

Raphanus sativus L. · Radish

Bejo Zaden (NL)

NL SI
2 records

UC-134

Terminated

Solanum lycopersicum L. · Tomato

HR SK
2 records

KWS 242

Protection expired

Zea mays L. · Maize

SK
4 records

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