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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.

SAKEUS341

Terminated

Eustoma exaltatum (L.) Salisb. ex G. Don subsp. russellianum (Hook.) Kartesz · Lisianthus

Sakata Seed Corporation (SCC)

1 record

Pixie Time

Terminated

Chrysanthemum L. · Chrysanthemum

Cleangro Ltd

1 record

POULPAL100

Application submitted

Rosa L. · Rose

Poulsen Roser A/S

1 record

RUIMCT0010

Active

Rosa L. · Rose

De Ruiter Intellectual Property B.V.

1 record

Rubino

Withdrawn

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

C.I.V. - Consorzio Italiano Vivaisti - Società Agricola Consortile a r.l.

1 record

Royal Sun

Terminated

Zantedeschia Spreng. · Arum-lily

Jacqueline Vennik

1 record

Rovigno

Terminated

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

1 record

Redgoldza

Terminated

Prunus persica (L.) Batsch · Peach

Vivai Fratelli Zanzi di Carlo Zanzi & C. S.S. Società Agricola

2 records

Primero Mango

Terminated

Dianthus L. · Carnation

P.Kooij & Zonen B.V.

1 record

PROVO005GF

Withdrawn

Phalaenopsis Bl. · Moth Orchid

Friederike von Rundstedt

1 record

Roman

Withdrawn

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

GROSS EDUARD

1 record

RNX5002

Terminated

Brassica napus var. napus · Rapeseed

Syngenta Crop Protection AG

1 record

Rapier

Terminated

Brassica napus var. napus · Rapeseed

KWS UK LTD

1 record

Pink Sparkles

Terminated

Lilium L. · Lily

Testcentrum voor Siergewassen B.V.

1 record

PHA224686

Active

Phalaenopsis Bl. · Moth Orchid

Anthura B.V.

1 record

Rap Burg Two

Withdrawn

Verbena L. · Vervain

GOLDSMITH SEEDS

1 record

Pink Puppet

Withdrawn

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

PKMglome01

Terminated

Campanula glomerata L. · Clustered bellflower

Christian Hald Madsen

1 record

Prince of Orange

Withdrawn

Hyacinthus orientalis L. · Common hyacinth

Oriëntalis V.O.F.

1 record

Picamamy

Terminated

Brachyscome Cass. · Swan River Daisy

Thomas M. Cunneen

1 record

Piano 30

Active

Prunus armeniaca L. · Apricot

Cot International S.A.R.L.

2 records

O' Solemio

Application submitted

Prunus armeniaca L. · Apricot

PSB Producción Vegetal S.L

1 record

Poll132

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

NOVARTIS SEEDS

1 record

Orange Light

Terminated

Zantedeschia Spreng. · Arum-lily

Trendflor B.V.

1 record

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