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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.

Cgs 8f006 Bt

Terminated

Zea mays L. · Maize

NOVARTIS SEEDS S.A.

1 record

BA 46

Application submitted

Vaccinium corymbosum L. · Highbush blueberry

Alejandro Navarro Díaz

1 record

CIVNIRED B

Terminated

Malus domestica (Suckow) Borkh. · Apple

Michelangelo Leis^^^Alessio Martinelli^^^Silvia Salvi^^^Francesco Tagliani

2 records

Carousel

Application submitted

Chamelaucium uncinatum Schauer · Geraldton wax

Botanic Gardens and Parks Authority

1 record

Blizzard

Terminated

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Agriom B.V., FLOREMA YOUNG PLANTS B.V.

1 record

Bellini

Active

Citrus clementina hort. ex Tanaka. x C. paradisi Macfad.

Giuseppe Russo^^^Marco Caruso^^^Paola Caruso^^^Concetta Licciardello^^^Maria Patrizia Russo

2 records

Atomic

Withdrawn

Phalaenopsis Bl. · Moth Orchid

René Schoone

1 record

ANTHEOZO

Active

Anthurium-Andreanum-Hybriden · Anthurium

Anthura B.V.

1 record

Cante Firre

Terminated

Pelargonium L'Hér. ex Ait. · Geranium

GOLDSMITH SEEDS

1 record

Barmaui

Terminated

Dianthus caryophyllus L. · Carnation

Barberet & Blanc S.A.

1 record

Barmarie

Terminated

Dianthus caryophyllus L. · Carnation

Azienda Agricola Di Giorgio - di Antonio e Renato S.S.

1 record

Barmame

Withdrawn

Dianthus caryophyllus L. · Carnation

Barberet & Blanc S.A.

1 record

Bareka

Terminated

Phaseolus vulgaris L. · Common bean

Gebr. Bakker Zaadteelt & Zaadhandel B.V.

2 records

Belair

Application submitted

Allium porrum L. · Leek

Semsearch B.V.

1 record

Camaiore

Terminated

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

1 record

Barbelen

Terminated

Dianthus caryophyllus L. · Carnation

Barberet & Blanc S.A.

1 record

CB11

Terminated

Zea mays L. · Maize

KWS Saat SE, Limagrain Europe S.A.S.

1 record

Apolina

Application submitted

Prunus salicina Lindl. · Japanese plum

PSB Producción Vegetal S.L

1 record

Amri Cherry Rose

Terminated

Pelargonium L'Hér. ex Ait. · Geranium

Hanes Mitchell E.

1 record

Barolum N

Active

Vitis vinifera L. · Common grape vine

Donato Antonacci

1 record

Barjine

Terminated

Dianthus caryophyllus L. · Carnation

Azienda Agricola Di Giorgio - di Antonio e Renato S.S.

1 record

Bardornimbe

Terminated

Dianthus caryophyllus L. · Carnation

Barberet & Blanc S.A.

1 record

Brandaro

Terminated

Chrysanthemum L. · Chrysanthemum

Hubert Brandkamp

1 record

Bosco

Terminated

Dianthus caryophyllus L. · Carnation

HYBRIDA S.R.L

1 record

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