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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.

O18-138

Application submitted

Vitis vinifera L. · Common grape vine

Alessandra Gentile^^^Stefano Giovanni La Malfa^^^Elisabetta Giuseppa Agata Maria Nicolosi^^^Gaetano Distefano^^^Francesco Scollo^^^Stefania Maria Bennici^^^Filippo Salvatore Ferlito

1 record

NZCFOUR

Terminated

Begonia L. · Begonia

The New Zealand Institute for Plant and Food Research

1 record

PELA 443

Terminated

Pentas lanceolata (Forssk.) K. Schum. · Egyptian starcluster

Ernst Benary Samenzucht GmbH

1 record

PDA01VI

Active

Zea mays L. · Maize

Limagrain Europe S.A.S

1 record

Mignon 356

Application submitted

Prunus persica (L.) Batsch · Peach

Daniele Bassi^^^Stefano Foschi

1 record

MGC 1106

Terminated

Cannabis sativa L. · Hemp

MARCEL DE WIT

1 record

Palacio

Terminated

Vicia faba L. · Broad bean

ESCUELA TECNICA SUPERIOR DE INGENIEROS AGRONOMOS, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)

1 record

MML1262

Active

Zea mays L. · Maize

Limagrain Europe S.A.S

1 record

P241102

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

VISSERS AMERICA B.V.

1 record

Minmuta3

Terminated

Hibiscus mutabilis L. · Confederate-rose

Hortival Diffusion S.A.S.

1 record

Ot1317

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

1 record

Megatea

Active

Prunus armeniaca L. · Apricot

PSB Producción Vegetal S.L

5 records

Niek's Pride

Active

Chamelaucium uncinatum Schauer · Geraldton wax

Botanic Gardens and Parks Authority

1 record

Marlies

Terminated

Zantedeschia Spreng. · Arum-lily

Zantedeschiagroep Trendflor V.O.F.

1 record

MGC 1101

Terminated

Cannabis sativa L. · Hemp

MARCEL DE WIT

1 record

Messapia

Terminated

Prunus persica (L.) Batsch · Peach

Pietro Giannoccaro

2 records

OLDROS

Terminated

Petunia Juss. · Petunia

OLDHAM MARY JENNIFER, OLDHAM MICHAEL EDWARD

1 record

OBE134

Application submitted

Robinia pseudoacacia L. · Black locust

Németh Jenő János

1 record

MAGNA 29 01

Active

Prunus persica (L.) Batsch · Peach

Arsène Maillard^^^Laurence Maillard^^^Ignasi Batlle^^^Cristian Fontich^^^Joaquim Carbó^^^Joan Bonany^^^Simó Alegre

2 records

Lonvalea

Terminated

Dianthus L. · Carnation

Barberet & Blanc S.A.

1 record

Oasis

Terminated

Dianthus L. · Carnation

Barberet & Blanc S.A.

1 record

Lupus 01

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

NORDSAAT SAATZUCHT

1 record

Lisalva

Terminated

Dianthus caryophyllus L. · Carnation

HilverdaFlorist B.V.

1 record

Linosa

Withdrawn

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

2 records

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