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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

Maize maturity group 5 061 Tomato maturity group 2 293 Sunflower maturity group 1 708 Maturity group — soft wheat 1 598 Maize maturity group 1 583 Grape Ripening Period 1 407 Potato maturity group 1 217 Barley Maturity Group 1 086 Pepper maturity groups 1 065 Apple Ripening Groups 890 Bean maturity group 807 Peach Maturity Group 794 Pea Maturity Group 779 Maturity Group — Soybean 777 Rapeseed maturity group 739 Maturity group — sugar beet 700 Cucumber Maturity Groups 670 Lettuce maturity group 589 Grape Ripening Period 579 Maturity group — Perennial ryegrass 564 Sweet Cherry Ripening Period 507 Carrot Maturity Groups 415 Melon maturity groups 410 Maturity group — white cabbage 384

Found in these crops

Maize 4 386 Maize 1 378 Sunflower 1 347 Tomato 1 205 Bread wheat 1 015 Barley 753 Potato 741 Soybean 740 Sugar beet 589 Bell pepper 582 Rapeseed 550 Common bean 518

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.

Imtrarose

Active

Impatiens walleriana Hook. f. · Busy Lizzie

Syngenta Seeds B.V.

3 records

KLEC00078

Terminated

Calibrachoa Cerv. · Calibrachoa

Siegfried Klemm

3 records

HDO393502

Active

Cucumis melo L. · Melon

Seminis Vegetable Seeds

3 records

Haruki

Active

Triticum aestivum L. · Bread wheat

Getreidezüchtung Peter Kunz

4 records

KLEBF14326

Active

Bidens ferulifolia (Jacq.) DC. · Apache beggartick

von Tubeuf Guido

4 records

Garbaja

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

5 records

Iuve

Active

Carica papaya L. · Papaya

CRISTIAN IVAN DELGADO SALAS

3 records

Flamingsplus

Terminated

Avena sativa L. · Oat

KWS Lochow GmbH, D-29303 Bergen

4 records

Grace

Active

Cannabis sativa L. · Hemp

GW PHARMA LTD

4 records

Innthal

Active

Euphorbia L. · Spurge

Silvia Hofmann|SUSANNE HERDEGEN

3 records

IFG Seven

Active

Vitis vinifera L. · Common grape vine

David W.Cain

3 records

Glen

Terminated

Lolium perenne L. · Perennial ryegrass

DEPARTMENT OF AGRICULTURE FOR NORTHERN IRELAND

5 records

EURZ0005

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Syngenta Seeds B.V.

3 records

Gallant

Active

Triticum aestivum L. · Bread wheat

Syngenta UK Ltd

5 records

Heder

Active

Hordeum vulgare L. · Barley

Graminor AS, N-2322 Ridabu

4 records

Flaminia

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Michelangelo Leis^^^Alessio Martinelli

4 records

Earligold

Active

Prunus persica (L.) Batsch · Peach

Swim, Herbert C|Ontario, CA

3 records

Fiorella

Application submitted

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

3 records

Fenstripe

Active

Malus domestica (Suckow) Borkh. · Apple

Reinhard Kaneppele

4 records

Duevicoral

Active

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

MARGA DÜMMEN

3 records

GRAPECOUS

Active

Vitis L. · Grapevine

Violetka Marinova Colova

3 records

EXWH5878

Active

Exacum trinervium (L.) Druce

Susanne Villemoes Andersen

3 records

Gfleuwhmtn

Active

Leucanthemum x superbum (Bergmans ex J. W. Ingram) D. H. Kent · Shasta daisy

Graham N. Brown

3 records

Garcima

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

4 records

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