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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.

Raphanus sativus L. · Radish

IT SI
2 records

Catreen

Active

Zea mays L. · Maize

SK
2 records

Celong

Active

Zea mays L. · Maize

SK
2 records

Jozefina

Active

Zea mays L. · Maize

SK
2 records

Brassica napus L. · Rapeseed

HU RO
2 records

Ludmilo

Active

Zea mays L. · Maize

SK
2 records

J-KL-3

Active

Malus Mill. · Apple

CZ SK
2 records

Jara

Protection expired

Rheum rhabarbarum L. · Rhubarb

CZ SK
2 records

Aida

Terminated

Glycine max (L.) Merr. · Soybean

CZ SK
2 records

BTS 1605

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

DE UA
2 records

Bc 175

Protection expired

Zea mays L. · Maize

Bc Institut, HR

SI
2 records

Laika

Terminated

Brassica napus var. napus · Rapeseed

DK
2 records

Bc 592

Protection expired

Zea mays L. · Maize

Bc Institut, HR

SI
2 records

Esiodo

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Bc 488 B

Protection expired

Zea mays L. · Maize

Bc Institut, HR

SI
2 records

BC415

Active

Zea mays L. · Maize

UA
2 records

Bc 308 E

Protection expired

Zea mays L. · Maize

Bc Institut, HR

SI
2 records

Allium cepa L. var. cepa · Onion

NL
3 records

Anjou 315

Terminated

Zea mays L. · Maize

SK
2 records

Alborea

Terminated

Vicia faba L. · Broad bean

PT
2 records

Arena

Active

Cucumis sativus L. · Cucumber

CZ NL
2 records

Agro Lux

Terminated

Zea mays L. · Maize

DE
3 records

Gismo

Terminated

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

CZ
2 records

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