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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.

Otso

Terminated

Triticum aestivum L. · Bread wheat

EE FI
4 records

Meynon

Active

Prunus persica (L.) Batsch · Peach

FR IT
7 records

Menhir

Active

Brassica napus var. napus · Rapeseed

DE DK
5 records

Vltavin

Active

Trifolium pratense L. · Red clover

CZ SK
6 records

Oryza sativa L. · Rice

HR IT
5 records

Luizet

Active

Prunus armeniaca L. · Apricot

ES FR
8 records

Rafale

Terminated

Brassica napus var. napus · Rapeseed

DE DK
4 records

Satu

Terminated

Triticum aestivum L. · Bread wheat

EE FI
4 records

Maraton

Active

Papaver somniferum L. · Opium poppy

CZ SK
5 records

Helianthus annuus L. · Sunflower

RO SK
4 records

Levočský

Terminated

Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Pres · False oat-grass

CZ SK
4 records

Kymppi

Terminated

Hordeum vulgare L. · Barley

EE FI
4 records

Izak

Active

Avena nuda L. · Naked oat

CZ SK
6 records

Oderzo

Terminated

Triticum aestivum L. · Bread wheat

IT PT
4 records

Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts

CZ DK
4 records

Petra

Protection expired

Phaseolus vulgaris L. · Common bean

CZ SK
5 records

Brassica napus var. napus · Rapeseed

DE DK
5 records

Chojuro

Active

Pyrus pyrifolia (Burm. f.) Nakai · Japanese pear

FR NL
5 records

Fatima

Protection expired

Vicia sativa L. · Common vetch

CZ SK
6 records

Malejovský

Protection expired

Lotus corniculatus L. · Bird's-foot trefoil

CZ SK
4 records

Bogesa

Active

Hordeum vulgare L. · Barley

HU SK
6 records

x Triticosecale Wittm. ex A. Camus · Triticale

CZ SK
5 records

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