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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.

Roial

Active

Capsicum annuum L. · Bell pepper

VINATORU COSTELZAMFIR BIANCABRATU CAMELIA

RO
3 records

RNX4621

Active

Brassica napus L. · Rapeseed

Stephan Pleines

UA
2 records

Brassica napus var. napus · Rapeseed

Syngenta Crop Protection AG

UA
3 records

Rodopeya

Terminated

Phaseolus coccineus L. · Runner bean

D. Genchev, I. Kiryakov

BG
2 records

Brassica oleracea L. (Broccoli Group) · Broccoli

PUBBLICO DOMINIO

IT
2 records

Brassica napus var. napus · Rapeseed

Mas Seeds S.A.S.

UA
3 records

Capsicum annuum L. · Bell pepper

"Florian" OOD - Ruse (BG)

BG
2 records

Rivergaro

Terminated

Phaseolus vulgaris L. · Common bean

SVS Holland B.V.

NL
3 records

Roce

Active

Sorghum bicolor (L.) Moench · Sorghum

LANZI TRANQUILLO

IT
3 records

Rigalex

Active

Phaseolus vulgaris L. · Common bean

Vilmorin SA (FR)

FR
3 records

Solanum lycopersicum L. · Tomato

Thompson & Morgan (Ipswich) Ltd

NL
2 records

Riđan

Terminated

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

Bc Institut d.d. Zagreb (HR)

HR
2 records

Riday

Active

Lolium multiflorum Lam. · Italian ryegrass

Gie Grass

PT
2 records

RNX4901

Terminated

Brassica napus var. napus · Rapeseed

Syngenta Crop Protection AG

UA
2 records

Riandra

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KUHN E CO.

IT
2 records

Riscal

Terminated

Cucumis melo L. · Melon

De Ruiter Zonen (HR)

FR
2 records

Risa

Active

Galega orientalis Lam. · Eastern goat's rue

Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich

PL
4 records

RHA SP

Active

Helianthus annuus L. · Sunflower

Tsveich Sandra, Jocic Sinisa,

UA
5 records

Royal Love

Withdrawn

Tulipa L. · Tulip

Tulip Flower B.V.

NL
2 records

RFA62IL

Active

Zea mays L. · Maize

Marcelo Queijo

UA
3 records

Roliai

Active

Cucumis sativus L. · Cucumber

Lietuvos agrarinių ir miškų mokslų centras

LT
2 records

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

UNITED GENETICS SEEDS CO

PT
3 records

Rokita

Active

Capsicum annuum L. · Bell pepper

W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O

PL
3 records

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